diff --git a/app/src/main/java/org/sopt/certi/core/util/StringExt.kt b/app/src/main/java/org/sopt/certi/core/util/StringExt.kt
index fbf62a73..5d0eb6d8 100644
--- a/app/src/main/java/org/sopt/certi/core/util/StringExt.kt
+++ b/app/src/main/java/org/sopt/certi/core/util/StringExt.kt
@@ -1,5 +1,6 @@
 package org.sopt.certi.core.util
 
+import org.sopt.certi.domain.model.DateData
 import java.time.LocalDate
 import java.time.format.DateTimeFormatter
 
@@ -21,3 +22,13 @@ fun String.toLocalDateOrNull(): LocalDate? =
 fun String.dateString(): String {
     return this.padStart(2, '0')
 }
+
+fun String.toDateData(): DateData {
+    val parts = this.split("-")
+
+    return DateData(
+        year = parts[0].toInt(),
+        month = parts[1].toInt(),
+        day = parts[2].toInt()
+    )
+}
diff --git a/app/src/main/java/org/sopt/certi/data/mapper/todomain/image/PresignedDtoMapper.kt b/app/src/main/java/org/sopt/certi/data/mapper/todomain/image/PresignedDtoMapper.kt
new file mode 100644
index 00000000..3a469eae
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/mapper/todomain/image/PresignedDtoMapper.kt
@@ -0,0 +1,9 @@
+package org.sopt.certi.data.mapper.todomain.image
+
+import org.sopt.certi.data.remote.dto.response.PresignedResponseDto
+import org.sopt.certi.domain.model.image.PresignedData
+
+fun PresignedResponseDto.toDomain(): PresignedData = PresignedData(
+    presignedUrl = preSignedURL,
+    publicUrl = publicURL
+)
diff --git a/app/src/main/java/org/sopt/certi/data/mapper/todomain/user/PersonalInfoDtoMapper.kt b/app/src/main/java/org/sopt/certi/data/mapper/todomain/user/PersonalInfoDtoMapper.kt
new file mode 100644
index 00000000..fca45b2f
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/mapper/todomain/user/PersonalInfoDtoMapper.kt
@@ -0,0 +1,14 @@
+package org.sopt.certi.data.mapper.todomain.user
+
+import org.sopt.certi.core.util.toDateData
+import org.sopt.certi.data.remote.dto.response.GetPersonalInfoResponseDto
+import org.sopt.certi.domain.model.DateData
+import org.sopt.certi.domain.model.user.PersonalInfo
+
+fun GetPersonalInfoResponseDto.toDomain(): PersonalInfo = PersonalInfo(
+    name = name,
+    nickname = nickName,
+    email = email,
+    birth = birthDate?.toDateData() ?: DateData(),
+    profileImageUrl = profileImageURL ?: ""
+)
diff --git a/app/src/main/java/org/sopt/certi/data/mapper/todto/user/PersonalInfoMapper.kt b/app/src/main/java/org/sopt/certi/data/mapper/todto/user/PersonalInfoMapper.kt
new file mode 100644
index 00000000..b5d2444b
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/mapper/todto/user/PersonalInfoMapper.kt
@@ -0,0 +1,12 @@
+package org.sopt.certi.data.mapper.todto.user
+
+import org.sopt.certi.data.remote.dto.request.PutPersonalInfoRequestDto
+import org.sopt.certi.domain.model.user.PersonalInfo
+
+fun PersonalInfo.toDto(): PutPersonalInfoRequestDto = PutPersonalInfoRequestDto(
+    name = name,
+    email = email,
+    nickName = nickname,
+    birthDate = if (!birth.isComplete) "" else "${birth.year}.${birth.month?.let { "%02d".format(it) }}.${birth.day?.let { "%02d".format(it) }}",
+    publicURL = profileImageUrl
+)
diff --git a/app/src/main/java/org/sopt/certi/data/remote/datasource/S3DataSource.kt b/app/src/main/java/org/sopt/certi/data/remote/datasource/S3DataSource.kt
new file mode 100644
index 00000000..4b80db52
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/remote/datasource/S3DataSource.kt
@@ -0,0 +1,7 @@
+package org.sopt.certi.data.remote.datasource
+
+import android.net.Uri
+
+interface S3DataSource {
+    suspend fun uploadImageToS3(presignedUrl: String, imageUri: Uri)
+}
diff --git a/app/src/main/java/org/sopt/certi/data/remote/datasource/UserRemoteDataSource.kt b/app/src/main/java/org/sopt/certi/data/remote/datasource/UserRemoteDataSource.kt
index d9eec685..5f81c568 100644
--- a/app/src/main/java/org/sopt/certi/data/remote/datasource/UserRemoteDataSource.kt
+++ b/app/src/main/java/org/sopt/certi/data/remote/datasource/UserRemoteDataSource.kt
@@ -3,9 +3,12 @@ package org.sopt.certi.data.remote.datasource
 import org.sopt.certi.data.remote.dto.base.ApiResponse
 import org.sopt.certi.data.remote.dto.base.NullableApiResponse
 import org.sopt.certi.data.remote.dto.request.ModifyInterestedJobRequestDto
+import org.sopt.certi.data.remote.dto.request.PutPersonalInfoRequestDto
 import org.sopt.certi.data.remote.dto.response.GetInterestJobListResponseDto
+import org.sopt.certi.data.remote.dto.response.GetPersonalInfoResponseDto
 import org.sopt.certi.data.remote.dto.response.GetMyPageResponseDto
 import org.sopt.certi.data.remote.dto.response.GetUserTrackResponseDto
+import org.sopt.certi.data.remote.dto.response.PresignedResponseDto
 
 interface UserRemoteDataSource {
     suspend fun checkNicknameValidation(keyword: String): NullableApiResponse<Unit>
@@ -13,4 +16,7 @@ interface UserRemoteDataSource {
     suspend fun modifyInterestedJobList(jobNameList: ModifyInterestedJobRequestDto): NullableApiResponse<Unit>
     suspend fun getUserTrack(): ApiResponse<GetUserTrackResponseDto>
     suspend fun getMyPageInfo(): ApiResponse<GetMyPageResponseDto>
+    suspend fun getPersonalInfo(): ApiResponse<GetPersonalInfoResponseDto>
+    suspend fun putPersonalInfo(request: PutPersonalInfoRequestDto): NullableApiResponse<Unit>
+    suspend fun getPresignedUrl(): ApiResponse<PresignedResponseDto>
 }
diff --git a/app/src/main/java/org/sopt/certi/data/remote/datasourceimpl/S3DataSourceImpl.kt b/app/src/main/java/org/sopt/certi/data/remote/datasourceimpl/S3DataSourceImpl.kt
new file mode 100644
index 00000000..3cf51a8f
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/remote/datasourceimpl/S3DataSourceImpl.kt
@@ -0,0 +1,29 @@
+package org.sopt.certi.data.remote.datasourceimpl
+
+import android.content.Context
+import android.net.Uri
+import dagger.hilt.android.qualifiers.ApplicationContext
+import okhttp3.MediaType.Companion.toMediaTypeOrNull
+import okhttp3.RequestBody.Companion.toRequestBody
+import org.sopt.certi.data.remote.datasource.S3DataSource
+import org.sopt.certi.data.remote.service.S3Service
+import javax.inject.Inject
+
+class S3DataSourceImpl @Inject constructor(
+    private val s3Service: S3Service,
+    @ApplicationContext private val context: Context
+) : S3DataSource {
+    override suspend fun uploadImageToS3(presignedUrl: String, imageUri: Uri) {
+        val inputStream = context.contentResolver.openInputStream(imageUri)
+        val byteArray = inputStream?.readBytes() ?: throw IllegalStateException("이미지를 읽을 수 없습니다.")
+        inputStream.close()
+
+        val requestBody = byteArray.toRequestBody("image/*".toMediaTypeOrNull())
+
+        val response = s3Service.uploadImage(presignedUrl, requestBody)
+
+        if (!response.isSuccessful) {
+            throw Exception("S3 업로드 실패: ${response.code()}")
+        }
+    }
+}
diff --git a/app/src/main/java/org/sopt/certi/data/remote/datasourceimpl/UserRemoteDataSourceImpl.kt b/app/src/main/java/org/sopt/certi/data/remote/datasourceimpl/UserRemoteDataSourceImpl.kt
index b7709613..295d6968 100644
--- a/app/src/main/java/org/sopt/certi/data/remote/datasourceimpl/UserRemoteDataSourceImpl.kt
+++ b/app/src/main/java/org/sopt/certi/data/remote/datasourceimpl/UserRemoteDataSourceImpl.kt
@@ -4,9 +4,12 @@ import org.sopt.certi.data.remote.datasource.UserRemoteDataSource
 import org.sopt.certi.data.remote.dto.base.ApiResponse
 import org.sopt.certi.data.remote.dto.base.NullableApiResponse
 import org.sopt.certi.data.remote.dto.request.ModifyInterestedJobRequestDto
+import org.sopt.certi.data.remote.dto.request.PutPersonalInfoRequestDto
 import org.sopt.certi.data.remote.dto.response.GetInterestJobListResponseDto
 import org.sopt.certi.data.remote.dto.response.GetMyPageResponseDto
+import org.sopt.certi.data.remote.dto.response.GetPersonalInfoResponseDto
 import org.sopt.certi.data.remote.dto.response.GetUserTrackResponseDto
+import org.sopt.certi.data.remote.dto.response.PresignedResponseDto
 import org.sopt.certi.data.remote.service.UserService
 import javax.inject.Inject
 
@@ -28,4 +31,13 @@ class UserRemoteDataSourceImpl @Inject constructor(
 
     override suspend fun getMyPageInfo(): ApiResponse<GetMyPageResponseDto> =
         userService.getMyPageInfo()
+
+    override suspend fun getPersonalInfo(): ApiResponse<GetPersonalInfoResponseDto> =
+        userService.getPersonalInfo()
+
+    override suspend fun putPersonalInfo(request: PutPersonalInfoRequestDto): NullableApiResponse<Unit> =
+        userService.putPersonalInfo(request)
+
+    override suspend fun getPresignedUrl(): ApiResponse<PresignedResponseDto> =
+        userService.getPresignedUrl()
 }
diff --git a/app/src/main/java/org/sopt/certi/data/remote/dto/request/PutPersonalInfoRequestDto.kt b/app/src/main/java/org/sopt/certi/data/remote/dto/request/PutPersonalInfoRequestDto.kt
new file mode 100644
index 00000000..6149ebd9
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/remote/dto/request/PutPersonalInfoRequestDto.kt
@@ -0,0 +1,18 @@
+package org.sopt.certi.data.remote.dto.request
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class PutPersonalInfoRequestDto(
+    @SerialName("name")
+    val name: String,
+    @SerialName("email")
+    val email: String,
+    @SerialName("nickName")
+    val nickName: String,
+    @SerialName("birthDate")
+    val birthDate: String,
+    @SerialName("publicURL")
+    val publicURL: String
+)
diff --git a/app/src/main/java/org/sopt/certi/data/remote/dto/response/GetPersonalInfoResponseDto.kt b/app/src/main/java/org/sopt/certi/data/remote/dto/response/GetPersonalInfoResponseDto.kt
new file mode 100644
index 00000000..f8546165
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/remote/dto/response/GetPersonalInfoResponseDto.kt
@@ -0,0 +1,18 @@
+package org.sopt.certi.data.remote.dto.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class GetPersonalInfoResponseDto(
+    @SerialName("nickName")
+    val nickName: String,
+    @SerialName("name")
+    val name: String,
+    @SerialName("email")
+    val email: String,
+    @SerialName("birthDate")
+    val birthDate: String?,
+    @SerialName("profileImageURL")
+    val profileImageURL: String?
+)
diff --git a/app/src/main/java/org/sopt/certi/data/remote/dto/response/PresignedResponseDto.kt b/app/src/main/java/org/sopt/certi/data/remote/dto/response/PresignedResponseDto.kt
new file mode 100644
index 00000000..42506ab5
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/remote/dto/response/PresignedResponseDto.kt
@@ -0,0 +1,12 @@
+package org.sopt.certi.data.remote.dto.response
+
+import kotlinx.serialization.SerialName
+import kotlinx.serialization.Serializable
+
+@Serializable
+data class PresignedResponseDto(
+    @SerialName("preSignedURL")
+    val preSignedURL: String,
+    @SerialName("publicURL")
+    val publicURL: String
+)
diff --git a/app/src/main/java/org/sopt/certi/data/remote/service/S3Service.kt b/app/src/main/java/org/sopt/certi/data/remote/service/S3Service.kt
new file mode 100644
index 00000000..848dae60
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/remote/service/S3Service.kt
@@ -0,0 +1,15 @@
+package org.sopt.certi.data.remote.service
+
+import okhttp3.RequestBody
+import retrofit2.Response
+import retrofit2.http.Body
+import retrofit2.http.PUT
+import retrofit2.http.Url
+
+interface S3Service {
+    @PUT
+    suspend fun uploadImage(
+        @Url presignedUrl: String,
+        @Body file: RequestBody
+    ): Response<Unit>
+}
diff --git a/app/src/main/java/org/sopt/certi/data/remote/service/UserService.kt b/app/src/main/java/org/sopt/certi/data/remote/service/UserService.kt
index d6ff09ff..0184e42c 100644
--- a/app/src/main/java/org/sopt/certi/data/remote/service/UserService.kt
+++ b/app/src/main/java/org/sopt/certi/data/remote/service/UserService.kt
@@ -3,12 +3,16 @@ package org.sopt.certi.data.remote.service
 import org.sopt.certi.data.remote.dto.base.ApiResponse
 import org.sopt.certi.data.remote.dto.base.NullableApiResponse
 import org.sopt.certi.data.remote.dto.request.ModifyInterestedJobRequestDto
+import org.sopt.certi.data.remote.dto.request.PutPersonalInfoRequestDto
 import org.sopt.certi.data.remote.dto.response.GetInterestJobListResponseDto
 import org.sopt.certi.data.remote.dto.response.GetMyPageResponseDto
+import org.sopt.certi.data.remote.dto.response.GetPersonalInfoResponseDto
 import org.sopt.certi.data.remote.dto.response.GetUserTrackResponseDto
+import org.sopt.certi.data.remote.dto.response.PresignedResponseDto
 import retrofit2.http.Body
 import retrofit2.http.GET
 import retrofit2.http.POST
+import retrofit2.http.PUT
 import retrofit2.http.Query
 
 interface UserService {
@@ -28,4 +32,13 @@ interface UserService {
 
     @GET("/api/v1/user/mypage")
     suspend fun getMyPageInfo(): ApiResponse<GetMyPageResponseDto>
+
+    @GET("/api/v1/user/pinfo")
+    suspend fun getPersonalInfo(): ApiResponse<GetPersonalInfoResponseDto>
+
+    @PUT("/api/v1/user/pinfo")
+    suspend fun putPersonalInfo(@Body request: PutPersonalInfoRequestDto): NullableApiResponse<Unit>
+
+    @GET("/api/v1/user/presigned-url")
+    suspend fun getPresignedUrl(): ApiResponse<PresignedResponseDto>
 }
diff --git a/app/src/main/java/org/sopt/certi/data/repositoryimpl/S3RepositoryImpl.kt b/app/src/main/java/org/sopt/certi/data/repositoryimpl/S3RepositoryImpl.kt
new file mode 100644
index 00000000..a35d120b
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/data/repositoryimpl/S3RepositoryImpl.kt
@@ -0,0 +1,16 @@
+package org.sopt.certi.data.repositoryimpl
+
+import androidx.core.net.toUri
+import org.sopt.certi.data.remote.datasource.S3DataSource
+import org.sopt.certi.domain.repository.S3Repository
+import javax.inject.Inject
+
+class S3RepositoryImpl @Inject constructor(
+    private val s3DataSource: S3DataSource
+) : S3Repository {
+    override suspend fun uploadImage(presignedUrl: String, imageUri: String): Result<Unit> {
+        return runCatching {
+            s3DataSource.uploadImageToS3(presignedUrl, imageUri.toUri())
+        }
+    }
+}
diff --git a/app/src/main/java/org/sopt/certi/data/repositoryimpl/UserRepositoryImpl.kt b/app/src/main/java/org/sopt/certi/data/repositoryimpl/UserRepositoryImpl.kt
index 654d47bf..2a773aab 100644
--- a/app/src/main/java/org/sopt/certi/data/repositoryimpl/UserRepositoryImpl.kt
+++ b/app/src/main/java/org/sopt/certi/data/repositoryimpl/UserRepositoryImpl.kt
@@ -1,13 +1,17 @@
 package org.sopt.certi.data.repositoryimpl
 
+import org.sopt.certi.data.mapper.todomain.image.toDomain
 import org.sopt.certi.data.mapper.todomain.user.toDomain
+import org.sopt.certi.data.mapper.todto.user.toDto
 import org.sopt.certi.data.remote.datasource.UserRemoteDataSource
 import org.sopt.certi.data.remote.dto.request.ModifyInterestedJobRequestDto
 import org.sopt.certi.data.remote.util.HttpResponseHandler.handleApiResponse
 import org.sopt.certi.data.remote.util.HttpResponseHandler.handleNullableApiResponse
 import org.sopt.certi.data.remote.util.safeApiCall
+import org.sopt.certi.domain.model.image.PresignedData
 import org.sopt.certi.domain.model.user.InterestedJobListData
 import org.sopt.certi.domain.model.user.MyPageInfo
+import org.sopt.certi.domain.model.user.PersonalInfo
 import org.sopt.certi.domain.repository.UserRepository
 import javax.inject.Inject
 
@@ -48,4 +52,24 @@ class UserRepositoryImpl @Inject constructor(
             .getOrThrow()
             .toDomain()
     }
+
+    override suspend fun getPersonalInfo(): Result<PersonalInfo> = safeApiCall {
+        userRemoteDataSource.getPersonalInfo()
+            .handleApiResponse()
+            .getOrThrow()
+            .toDomain()
+    }
+
+    override suspend fun putPersonalInfo(request: PersonalInfo): Result<Unit> = safeApiCall {
+        userRemoteDataSource.putPersonalInfo(request.toDto())
+            .handleNullableApiResponse()
+            .getOrThrow()
+    }
+
+    override suspend fun getPresignedUrl(): Result<PresignedData> = safeApiCall {
+        userRemoteDataSource.getPresignedUrl()
+            .handleApiResponse()
+            .getOrThrow()
+            .toDomain()
+    }
 }
diff --git a/app/src/main/java/org/sopt/certi/di/DataSourceModule.kt b/app/src/main/java/org/sopt/certi/di/DataSourceModule.kt
index 1be3fabb..7585d394 100644
--- a/app/src/main/java/org/sopt/certi/di/DataSourceModule.kt
+++ b/app/src/main/java/org/sopt/certi/di/DataSourceModule.kt
@@ -14,6 +14,7 @@ import org.sopt.certi.data.remote.datasource.DummyRemoteDataSource
 import org.sopt.certi.data.remote.datasource.HomeRemoteDataSource
 import org.sopt.certi.data.remote.datasource.PreCertEditRemoteDataSource
 import org.sopt.certi.data.remote.datasource.PreCertRemoteDataSource
+import org.sopt.certi.data.remote.datasource.S3DataSource
 import org.sopt.certi.data.remote.datasourceimpl.AcquisitionRemoteDataSourceImpl
 import org.sopt.certi.data.remote.datasource.UserRemoteDataSource
 import org.sopt.certi.data.remote.datasourceimpl.ActivityRemoteDataSourceImpl
@@ -24,6 +25,7 @@ import org.sopt.certi.data.remote.datasourceimpl.DummyRemoteDataSourceImpl
 import org.sopt.certi.data.remote.datasourceimpl.HomeRemoteDataSourceImpl
 import org.sopt.certi.data.remote.datasourceimpl.PreCertEditRemoteDataSourceImpl
 import org.sopt.certi.data.remote.datasourceimpl.PreCertRemoteDataSourceImpl
+import org.sopt.certi.data.remote.datasourceimpl.S3DataSourceImpl
 import org.sopt.certi.data.remote.datasourceimpl.UserRemoteDataSourceImpl
 
 @Module
@@ -68,4 +70,8 @@ abstract class DataSourceModule {
     @Binds
     @Singleton
     abstract fun bindsPreCertEditDataSource(preCertEditRemoteDataSourceImpl: PreCertEditRemoteDataSourceImpl): PreCertEditRemoteDataSource
+
+    @Binds
+    @Singleton
+    abstract fun bindsS3DataSource(s3DataSourceImpl: S3DataSourceImpl): S3DataSource
 }
diff --git a/app/src/main/java/org/sopt/certi/di/NetworkModule.kt b/app/src/main/java/org/sopt/certi/di/NetworkModule.kt
index 0ddafee3..9f4a13eb 100644
--- a/app/src/main/java/org/sopt/certi/di/NetworkModule.kt
+++ b/app/src/main/java/org/sopt/certi/di/NetworkModule.kt
@@ -15,6 +15,7 @@ import okhttp3.logging.HttpLoggingInterceptor
 import org.sopt.certi.BuildConfig
 import org.sopt.certi.core.network.TokenManager
 import retrofit2.Retrofit
+import javax.inject.Named
 
 @Module
 @InstallIn(SingletonComponent::class)
@@ -96,4 +97,29 @@ object NetworkModule {
                 json.asConverterFactory(requireNotNull("application/json".toMediaTypeOrNull()))
             )
             .build()
+
+    @Provides
+    @Singleton
+    @Named("S3Client") // 이름표 붙임
+    fun providesS3OkHttpClient(
+        loggingInterceptor: HttpLoggingInterceptor
+    ): OkHttpClient =
+        OkHttpClient.Builder().apply {
+            connectTimeout(20, TimeUnit.SECONDS)
+            writeTimeout(20, TimeUnit.SECONDS)
+            readTimeout(20, TimeUnit.SECONDS)
+            addInterceptor(loggingInterceptor)
+        }.build()
+
+    @Provides
+    @Singleton
+    @Named("S3Retrofit")
+    fun provideS3Retrofit(
+        @Named("S3Client") okHttpClient: OkHttpClient
+    ): Retrofit {
+        return Retrofit.Builder()
+            .baseUrl(BuildConfig.BASE_URL)
+            .client(okHttpClient)
+            .build()
+    }
 }
diff --git a/app/src/main/java/org/sopt/certi/di/RepositoryModule.kt b/app/src/main/java/org/sopt/certi/di/RepositoryModule.kt
index 025a7fbb..25b7b9dd 100644
--- a/app/src/main/java/org/sopt/certi/di/RepositoryModule.kt
+++ b/app/src/main/java/org/sopt/certi/di/RepositoryModule.kt
@@ -13,6 +13,7 @@ import org.sopt.certi.data.repositoryimpl.DummyRepositoryImpl
 import org.sopt.certi.data.repositoryimpl.HomeRepositoryImpl
 import org.sopt.certi.data.repositoryimpl.PreCertEditRepositoryImpl
 import org.sopt.certi.data.repositoryimpl.PreCertRepositoryImpl
+import org.sopt.certi.data.repositoryimpl.S3RepositoryImpl
 import org.sopt.certi.domain.repository.AcquisitionRepository
 import org.sopt.certi.data.repositoryimpl.UserRepositoryImpl
 import org.sopt.certi.domain.repository.ActivityRepository
@@ -23,6 +24,7 @@ import org.sopt.certi.domain.repository.DummyRepository
 import org.sopt.certi.domain.repository.HomeRepository
 import org.sopt.certi.domain.repository.PreCertEditRepository
 import org.sopt.certi.domain.repository.PreCertRepository
+import org.sopt.certi.domain.repository.S3Repository
 import org.sopt.certi.domain.repository.UserRepository
 import javax.inject.Singleton
 
@@ -67,4 +69,8 @@ abstract class RepositoryModule {
     @Binds
     @Singleton
     abstract fun bindPreCertEditRepository(PreCertEditRepositoryImpl: PreCertEditRepositoryImpl): PreCertEditRepository
+
+    @Binds
+    @Singleton
+    abstract fun bindS3Repository(s3RepositoryImpl: S3RepositoryImpl): S3Repository
 }
diff --git a/app/src/main/java/org/sopt/certi/di/ServiceModule.kt b/app/src/main/java/org/sopt/certi/di/ServiceModule.kt
index fd7c3f9b..4b121c4f 100644
--- a/app/src/main/java/org/sopt/certi/di/ServiceModule.kt
+++ b/app/src/main/java/org/sopt/certi/di/ServiceModule.kt
@@ -14,8 +14,10 @@ import org.sopt.certi.data.remote.service.DummyService
 import org.sopt.certi.data.remote.service.HomeService
 import org.sopt.certi.data.remote.service.PreCertEditService
 import org.sopt.certi.data.remote.service.PreCertService
+import org.sopt.certi.data.remote.service.S3Service
 import org.sopt.certi.data.remote.service.UserService
 import retrofit2.Retrofit
+import javax.inject.Named
 
 @Module
 @InstallIn(SingletonComponent::class)
@@ -69,4 +71,10 @@ object ServiceModule {
     @Singleton
     fun preCertEditService(retrofit: Retrofit): PreCertEditService =
         retrofit.create(PreCertEditService::class.java)
+
+    @Provides
+    @Singleton
+    fun provideS3Service(@Named("S3Retrofit") retrofit: Retrofit): S3Service {
+        return retrofit.create(S3Service::class.java)
+    }
 }
diff --git a/app/src/main/java/org/sopt/certi/domain/model/DateData.kt b/app/src/main/java/org/sopt/certi/domain/model/DateData.kt
index 8041921e..4fa2545c 100644
--- a/app/src/main/java/org/sopt/certi/domain/model/DateData.kt
+++ b/app/src/main/java/org/sopt/certi/domain/model/DateData.kt
@@ -5,12 +5,7 @@ data class DateData(
     val month: Int? = null,
     val day: Int? = null
 ) {
-    val yearText: String get() = year?.toString() ?: ""
-    val monthText: String get() = month?.let { "%02d".format(it) } ?: ""
-    val dayText: String get() = day?.let { "%02d".format(it) } ?: ""
-
     val isAllEmpty: Boolean get() = year == null && month == null && day == null
     val isComplete: Boolean get() = year != null && month != null && day != null
-
     val isValid: Boolean get() = isAllEmpty || isComplete
 }
diff --git a/app/src/main/java/org/sopt/certi/domain/model/image/PresignedData.kt b/app/src/main/java/org/sopt/certi/domain/model/image/PresignedData.kt
new file mode 100644
index 00000000..0c139e10
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/domain/model/image/PresignedData.kt
@@ -0,0 +1,6 @@
+package org.sopt.certi.domain.model.image
+
+data class PresignedData(
+    val presignedUrl: String,
+    val publicUrl: String
+)
diff --git a/app/src/main/java/org/sopt/certi/domain/model/user/UserProfile.kt b/app/src/main/java/org/sopt/certi/domain/model/user/PersonalInfo.kt
similarity index 76%
rename from app/src/main/java/org/sopt/certi/domain/model/user/UserProfile.kt
rename to app/src/main/java/org/sopt/certi/domain/model/user/PersonalInfo.kt
index 4e26d750..b0dd49b3 100644
--- a/app/src/main/java/org/sopt/certi/domain/model/user/UserProfile.kt
+++ b/app/src/main/java/org/sopt/certi/domain/model/user/PersonalInfo.kt
@@ -2,10 +2,10 @@ package org.sopt.certi.domain.model.user
 
 import org.sopt.certi.domain.model.DateData
 
-data class UserProfile(
+data class PersonalInfo(
     val name: String,
     val nickname: String,
     val email: String,
     val birth: DateData,
-    val profileImageUrl: String?
+    val profileImageUrl: String
 )
diff --git a/app/src/main/java/org/sopt/certi/domain/repository/S3Repository.kt b/app/src/main/java/org/sopt/certi/domain/repository/S3Repository.kt
new file mode 100644
index 00000000..9625ea1b
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/domain/repository/S3Repository.kt
@@ -0,0 +1,5 @@
+package org.sopt.certi.domain.repository
+
+interface S3Repository {
+    suspend fun uploadImage(presignedUrl: String, imageUri: String): Result<Unit>
+}
diff --git a/app/src/main/java/org/sopt/certi/domain/repository/UserRepository.kt b/app/src/main/java/org/sopt/certi/domain/repository/UserRepository.kt
index 8dc0552e..e2a90c45 100644
--- a/app/src/main/java/org/sopt/certi/domain/repository/UserRepository.kt
+++ b/app/src/main/java/org/sopt/certi/domain/repository/UserRepository.kt
@@ -1,7 +1,9 @@
 package org.sopt.certi.domain.repository
 
+import org.sopt.certi.domain.model.image.PresignedData
 import org.sopt.certi.domain.model.user.InterestedJobListData
 import org.sopt.certi.domain.model.user.MyPageInfo
+import org.sopt.certi.domain.model.user.PersonalInfo
 
 interface UserRepository {
     suspend fun checkNicknameValidation(keyword: String): Result<Unit>
@@ -9,4 +11,7 @@ interface UserRepository {
     suspend fun modifyInterestedJobList(jobNameList: List<String>): Result<Unit>
     suspend fun getUserTrack(): Result<String>
     suspend fun getMyPageInfo(): Result<MyPageInfo>
+    suspend fun getPersonalInfo(): Result<PersonalInfo>
+    suspend fun putPersonalInfo(request: PersonalInfo): Result<Unit>
+    suspend fun getPresignedUrl(): Result<PresignedData>
 }
diff --git a/app/src/main/java/org/sopt/certi/domain/usecase/image/GetPresignedUrlUseCase.kt b/app/src/main/java/org/sopt/certi/domain/usecase/image/GetPresignedUrlUseCase.kt
new file mode 100644
index 00000000..0607d039
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/domain/usecase/image/GetPresignedUrlUseCase.kt
@@ -0,0 +1,11 @@
+package org.sopt.certi.domain.usecase.image
+
+import org.sopt.certi.domain.model.image.PresignedData
+import org.sopt.certi.domain.repository.UserRepository
+import javax.inject.Inject
+
+class GetPresignedUrlUseCase @Inject constructor(
+    private val userRepository: UserRepository
+) {
+    suspend operator fun invoke(): Result<PresignedData> = userRepository.getPresignedUrl()
+}
diff --git a/app/src/main/java/org/sopt/certi/domain/usecase/image/UploadImageToS3UseCase.kt b/app/src/main/java/org/sopt/certi/domain/usecase/image/UploadImageToS3UseCase.kt
new file mode 100644
index 00000000..912fb13b
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/domain/usecase/image/UploadImageToS3UseCase.kt
@@ -0,0 +1,12 @@
+package org.sopt.certi.domain.usecase.image
+
+import org.sopt.certi.domain.repository.S3Repository
+import javax.inject.Inject
+
+class UploadImageToS3UseCase @Inject constructor(
+    private val s3Repository: S3Repository
+) {
+    suspend operator fun invoke(presignedUrl: String, imageUri: String): Result<Unit> {
+        return s3Repository.uploadImage(presignedUrl, imageUri)
+    }
+}
diff --git a/app/src/main/java/org/sopt/certi/domain/usecase/user/GetPersonalInfoUseCase.kt b/app/src/main/java/org/sopt/certi/domain/usecase/user/GetPersonalInfoUseCase.kt
new file mode 100644
index 00000000..af7fc61e
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/domain/usecase/user/GetPersonalInfoUseCase.kt
@@ -0,0 +1,11 @@
+package org.sopt.certi.domain.usecase.user
+
+import org.sopt.certi.domain.model.user.PersonalInfo
+import org.sopt.certi.domain.repository.UserRepository
+import javax.inject.Inject
+
+class GetPersonalInfoUseCase @Inject constructor(
+    private val userRepository: UserRepository
+) {
+    suspend operator fun invoke(): Result<PersonalInfo> = userRepository.getPersonalInfo()
+}
diff --git a/app/src/main/java/org/sopt/certi/domain/usecase/user/PutPersonalInfoUseCase.kt b/app/src/main/java/org/sopt/certi/domain/usecase/user/PutPersonalInfoUseCase.kt
new file mode 100644
index 00000000..0d865246
--- /dev/null
+++ b/app/src/main/java/org/sopt/certi/domain/usecase/user/PutPersonalInfoUseCase.kt
@@ -0,0 +1,11 @@
+package org.sopt.certi.domain.usecase.user
+
+import org.sopt.certi.domain.model.user.PersonalInfo
+import org.sopt.certi.domain.repository.UserRepository
+import javax.inject.Inject
+
+class PutPersonalInfoUseCase @Inject constructor(
+    private val userRepository: UserRepository
+) {
+    suspend operator fun invoke(request: PersonalInfo): Result<Unit> = userRepository.putPersonalInfo(request)
+}
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoScreen.kt b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoScreen.kt
index 34e925ef..74b0fa42 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoScreen.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoScreen.kt
@@ -6,15 +6,18 @@ import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.WindowInsets
 import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.imePadding
+import androidx.compose.foundation.layout.ime
+import androidx.compose.foundation.layout.navigationBars
 import androidx.compose.foundation.layout.padding
 import androidx.compose.foundation.layout.statusBarsPadding
+import androidx.compose.foundation.layout.union
+import androidx.compose.foundation.layout.windowInsetsPadding
 import androidx.compose.foundation.rememberScrollState
 import androidx.compose.foundation.verticalScroll
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.getValue
-import androidx.compose.runtime.remember
 import androidx.compose.ui.Alignment
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.platform.LocalFocusManager
@@ -57,7 +60,10 @@ fun EditPersonalInfoRoute(
         onEmailChange = viewModel::onEmailChange,
         onBirthChange = viewModel::onBirthChange,
         onSaveClick = viewModel::onSaveClick,
-        modifier = Modifier.padding(padding)
+        modifier = Modifier.padding(
+            top = padding.calculateTopPadding(),
+            bottom = 0.dp
+        )
     )
 }
 
@@ -80,9 +86,11 @@ fun EditPersonalInfoScreen(
     Column(
         modifier = modifier
             .fillMaxSize()
+            .windowInsetsPadding(
+                WindowInsets.navigationBars.union(WindowInsets.ime)
+            )
             .verticalScroll(rememberScrollState())
             .noRippleClickable { focusManager.clearFocus() }
-            .imePadding()
             .padding(horizontal = screenWidthDp(20.dp)),
         verticalArrangement = Arrangement.spacedBy(screenHeightDp(24.dp)),
         horizontalAlignment = Alignment.CenterHorizontally
@@ -139,21 +147,17 @@ fun EditPersonalInfoScreen(
 @Preview(showBackground = true)
 @Composable
 private fun EditPersonalInfoPreview() {
-    val viewModel = remember { EditPersonalInfoViewModel() }
-    val uiState by viewModel.uiState.collectAsStateWithLifecycle()
-    val nickNameValidType by viewModel.nickNameValidTypeUiState.collectAsStateWithLifecycle()
-
     CERTITheme {
         EditPersonalInfoScreen(
-            uiState = uiState,
-            nickNameValidType = nickNameValidType,
-            onSaveClick = viewModel::onSaveClick,
-            onProfileUriChange = viewModel::onProfileUriChange,
-            onNickNameChange = viewModel::onNickNameChange,
-            onNickNameCheckButtonClick = viewModel::onNickNameCheckButtonClick,
-            onNameChange = viewModel::onNameChange,
-            onEmailChange = viewModel::onEmailChange,
-            onBirthChange = viewModel::onBirthChange,
+            uiState = EditPersonalInfoUiState(),
+            nickNameValidType = NickNameValidType.VALID,
+            onSaveClick = {},
+            onProfileUriChange = {},
+            onNickNameChange = {},
+            onNickNameCheckButtonClick = {},
+            onNameChange = {},
+            onEmailChange = {},
+            onBirthChange = {},
             modifier = Modifier
                 .fillMaxSize()
                 .background(CertiTheme.colors.white)
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoViewModel.kt b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoViewModel.kt
index 4589ec5d..5ea54b23 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoViewModel.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/EditPersonalInfoViewModel.kt
@@ -10,92 +10,133 @@ import kotlinx.coroutines.flow.asStateFlow
 import kotlinx.coroutines.flow.update
 import kotlinx.coroutines.launch
 import org.sopt.certi.domain.model.DateData
-import org.sopt.certi.domain.model.user.UserProfile
+import org.sopt.certi.domain.model.user.PersonalInfo
+import org.sopt.certi.domain.usecase.image.GetPresignedUrlUseCase
+import org.sopt.certi.domain.usecase.image.UploadImageToS3UseCase
+import org.sopt.certi.domain.usecase.user.CheckNicknameValidationUseCase
+import org.sopt.certi.domain.usecase.user.GetPersonalInfoUseCase
+import org.sopt.certi.domain.usecase.user.PutPersonalInfoUseCase
 import org.sopt.certi.presentation.type.NickNameValidType
 import org.sopt.certi.presentation.ui.editpersonalinfo.state.EditPersonalInfoUiState
+import timber.log.Timber
 import javax.inject.Inject
 
 @HiltViewModel
-class EditPersonalInfoViewModel @Inject constructor() : ViewModel() {
+class EditPersonalInfoViewModel @Inject constructor(
+    private val getPersonalInfoUseCase: GetPersonalInfoUseCase,
+    private val checkNicknameValidationUseCase: CheckNicknameValidationUseCase,
+    private val getPresignedUrlUseCase: GetPresignedUrlUseCase,
+    private val uploadImageToS3UseCase: UploadImageToS3UseCase,
+    private val putPersonalInfoUseCase: PutPersonalInfoUseCase
+) : ViewModel() {
     private val _uiState = MutableStateFlow(EditPersonalInfoUiState())
     val uiState = _uiState.asStateFlow()
 
     private val _nickNameValidTypeUiState = MutableStateFlow(NickNameValidType.DEFAULT)
     val nickNameValidTypeUiState = _nickNameValidTypeUiState.asStateFlow()
 
-    private var _originalUserProfile: UserProfile? = null
+    private var _originalPersonalInfo: PersonalInfo? = null
 
     init {
         loadPersonalInfoData()
     }
 
-    private fun loadPersonalInfoData() {
-        viewModelScope.launch {
-            val profileData = UserProfile(
-                nickname = "nick",
-                name = "name",
-                email = "certification@gmail.com",
-                birth = DateData(2004, 5, 31),
-                profileImageUrl = null
-            )
-
-            _originalUserProfile = profileData
-            _uiState.update {
-                EditPersonalInfoUiState(
-                    nickname = profileData.nickname,
-                    name = profileData.name,
-                    email = profileData.email,
-                    birth = profileData.birth,
-                    profileUri = profileData.profileImageUrl?.toUri()
-                )
+    private fun loadPersonalInfoData() = viewModelScope.launch {
+        getPersonalInfoUseCase()
+            .onSuccess { result ->
+                _originalPersonalInfo = result
+                _uiState.update {
+                    it.copy(
+                        name = result.name,
+                        nickname = result.nickname,
+                        email = result.email,
+                        birth = result.birth,
+                        profileUri = if (result.profileImageUrl.isNotEmpty()) result.profileImageUrl.toUri() else null
+                    )
+                }
+            }
+            .onFailure { error ->
+                Timber.e(error, "LoadPersonalInfoData Failed")
             }
-        }
     }
 
     private fun updateSaveButtonState() {
-        val original = _originalUserProfile ?: return
-
+        val original = _originalPersonalInfo ?: return
         val current = _uiState.value
         val isNameChanged = current.name != original.name
         val isEmailChanged = current.email != original.email
         val isProfileChanged = current.profileUri?.toString() != original.profileImageUrl
 
-        val isContentChanged = (
-            current.isNicknameChanged ||
-                isNameChanged ||
-                isEmailChanged ||
-                current.isBirthChanged ||
-                isProfileChanged
-            ) && current.birth.isValid
+        val isContentChanged = current.isNicknameChanged || isNameChanged || isEmailChanged || current.isBirthChanged || isProfileChanged
 
         val isNicknameValid = _nickNameValidTypeUiState.value in setOf(NickNameValidType.VALID, NickNameValidType.DEFAULT)
 
         _uiState.update {
-            it.copy(isSaveButtonEnabled = isContentChanged && isNicknameValid)
+            it.copy(isSaveButtonEnabled = isContentChanged && isNicknameValid && current.birth.isValid)
         }
     }
 
-    fun onSaveClick() {
-        viewModelScope.launch {
-            _nickNameValidTypeUiState.value = NickNameValidType.DEFAULT
-            val savedState = _uiState.value
-            _uiState.update {
-                it.copy(
-                    isNicknameChanged = false,
-                    isBirthChanged = false,
-                    isSaveButtonEnabled = false
-                )
-            }
-            _originalUserProfile = UserProfile(
-                name = savedState.name,
-                nickname = savedState.nickname,
-                email = savedState.email,
-                birth = savedState.birth,
-                profileImageUrl = savedState.profileUri?.toString() // 서버 url로 나중에 수정
+    fun onSaveClick() = viewModelScope.launch {
+        try {
+            val currentState = _uiState.value
+            val original = _originalPersonalInfo ?: return@launch
+
+            val finalProfileImageUrl = getFinalProfileImageUrl(currentState, original)
+
+            val request = PersonalInfo(
+                name = currentState.name,
+                nickname = currentState.nickname,
+                email = currentState.email,
+                birth = currentState.birth,
+                profileImageUrl = finalProfileImageUrl
             )
+
+            putPersonalInfoUseCase(request)
+                .onSuccess {
+                    _nickNameValidTypeUiState.value = NickNameValidType.DEFAULT
+                    _uiState.update {
+                        it.copy(
+                            isNicknameChanged = false,
+                            isBirthChanged = false,
+                            isSaveButtonEnabled = false
+                        )
+                    }
+                    _originalPersonalInfo = request
+                }
+                .onFailure {
+                    Timber.d("정보 수정 실패")
+                }
+        } catch (e: Exception) {
+            Timber.e(e, "정보 수정 실패")
         }
     }
 
+    private suspend fun getFinalProfileImageUrl(
+        currentState: EditPersonalInfoUiState,
+        original: PersonalInfo
+    ): String {
+        val currentUriString = currentState.profileUri?.toString() ?: ""
+        val originalUrlString = original.profileImageUrl
+
+        val isProfileChanged = currentUriString != originalUrlString
+
+        return if (isProfileChanged) {
+            if (currentState.profileUri != null) {
+                uploadImageAndGetPublicUrl(currentState.profileUri)
+            } else {
+                ""
+            }
+        } else {
+            originalUrlString
+        }
+    }
+
+    private suspend fun uploadImageAndGetPublicUrl(uri: Uri): String {
+        val presignedInfo = getPresignedUrlUseCase().getOrThrow()
+        uploadImageToS3UseCase(presignedInfo.presignedUrl, uri.toString()).getOrThrow()
+        return presignedInfo.publicUrl
+    }
+
     fun onProfileUriChange(uri: Uri?) {
         _uiState.update { it.copy(profileUri = uri) }
         updateSaveButtonState()
@@ -105,31 +146,38 @@ class EditPersonalInfoViewModel @Inject constructor() : ViewModel() {
         _uiState.update {
             it.copy(
                 nickname = nickname,
-                isNicknameChanged = _originalUserProfile?.nickname != null && nickname != _originalUserProfile?.nickname
+                isNicknameChanged = _originalPersonalInfo?.nickname != null && nickname != _originalPersonalInfo?.nickname
             )
         }
 
-        val original = _originalUserProfile ?: return
+        val original = _originalPersonalInfo ?: return
 
         _nickNameValidTypeUiState.update {
             when {
                 nickname.isEmpty() -> NickNameValidType.EMPTY
-                nickname.contains("시발") -> NickNameValidType.INVALID
                 nickname == original.nickname -> NickNameValidType.DEFAULT
                 else -> NickNameValidType.UNCHECKED
             }
         }
+
         updateSaveButtonState()
     }
 
-    fun onNickNameCheckButtonClick() {
-        _nickNameValidTypeUiState.update {
-            when {
-                (_nickNameValidTypeUiState.value == NickNameValidType.UNCHECKED) -> NickNameValidType.VALID
-                else -> NickNameValidType.DUPLICATE
+    fun onNickNameCheckButtonClick() = viewModelScope.launch {
+        checkNicknameValidationUseCase(_uiState.value.nickname)
+            .onSuccess {
+                _nickNameValidTypeUiState.value = NickNameValidType.VALID
+                updateSaveButtonState()
+            }
+            .onFailure { throwable ->
+                val msg = throwable.message
+
+                _nickNameValidTypeUiState.value = when {
+                    msg!!.contains("이미 존재하는 닉네임입니다.") -> NickNameValidType.DUPLICATE
+                    msg.contains("닉네임에 비속어를 포함할 수 없습니다.") -> NickNameValidType.INVALID
+                    else -> NickNameValidType.DEFAULT
+                }
             }
-        }
-        updateSaveButtonState()
     }
 
     fun onNameChange(name: String) {
@@ -146,7 +194,7 @@ class EditPersonalInfoViewModel @Inject constructor() : ViewModel() {
         _uiState.update {
             it.copy(
                 birth = birth,
-                isBirthChanged = _originalUserProfile?.birth != null && birth != _originalUserProfile?.birth
+                isBirthChanged = _originalPersonalInfo?.birth != null && birth != _originalPersonalInfo?.birth
             )
         }
         updateSaveButtonState()
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/DateInputField.kt b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/DateInputField.kt
index 8e69e9a4..0580825a 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/DateInputField.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/DateInputField.kt
@@ -119,7 +119,7 @@ fun DateInputField(
             DateDropdown(
                 placeholder = "YYYY",
                 items = yearList,
-                value = value.yearText,
+                value = value.year?.toString() ?: "",
                 onValueChange = { updateDate(newYear = it.toIntOrNull()) },
                 backgroundColor = inputFieldBackgroundColor,
                 initialScrollItem = currentDate.year.toString(),
@@ -128,7 +128,7 @@ fun DateInputField(
             DateDropdown(
                 placeholder = "MM",
                 items = monthList,
-                value = value.monthText,
+                value = value.month?.let { "%02d".format(it) } ?: "",
                 onValueChange = { updateDate(newMonth = it.toIntOrNull()) },
                 backgroundColor = inputFieldBackgroundColor,
                 modifier = Modifier.widthIn(min = screenWidthDp(76.dp), max = screenWidthDp(94.dp))
@@ -136,7 +136,7 @@ fun DateInputField(
             DateDropdown(
                 placeholder = "DD",
                 items = dayList,
-                value = value.dayText,
+                value = value.day?.let { "%02d".format(it) } ?: "",
                 onValueChange = { updateDate(newDay = it.toIntOrNull()) },
                 backgroundColor = inputFieldBackgroundColor,
                 modifier = Modifier.widthIn(min = screenWidthDp(76.dp), max = screenWidthDp(94.dp))
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/EditPersonalInfoTextField.kt b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/EditPersonalInfoTextField.kt
index e1e4ffde..810826ad 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/EditPersonalInfoTextField.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/EditPersonalInfoTextField.kt
@@ -19,9 +19,12 @@ import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.draw.clip
 import androidx.compose.ui.focus.FocusDirection
+import androidx.compose.ui.focus.onFocusChanged
 import androidx.compose.ui.platform.LocalFocusManager
 import androidx.compose.ui.res.stringResource
+import androidx.compose.ui.text.TextRange
 import androidx.compose.ui.text.input.ImeAction
+import androidx.compose.ui.text.input.TextFieldValue
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
 import org.sopt.certi.core.util.screenWidthDp
@@ -40,6 +43,21 @@ fun EditPersonalInfoTextField(
     imeAction: ImeAction = ImeAction.Next
 ) {
     val focusManager = LocalFocusManager.current
+    var textFieldValueState by remember {
+        mutableStateOf(
+            TextFieldValue(
+                text = value,
+                selection = TextRange(value.length)
+            )
+        )
+    }
+
+    if (value != textFieldValueState.text) {
+        textFieldValueState = textFieldValueState.copy(
+            text = value,
+            selection = TextRange(value.length)
+        )
+    }
 
     Column(
         modifier = modifier,
@@ -51,12 +69,16 @@ fun EditPersonalInfoTextField(
             color = CertiTheme.colors.gray600
         )
         BasicTextField(
-            value = value,
+            value = textFieldValueState,
             onValueChange = { newValue ->
-                if (newValue.contains("\n") || newValue.contains("\r")) {
-                    return@BasicTextField
+                val filteredText = newValue.text.replace("\n", "").replace("\r", "")
+                if (filteredText != newValue.text) {
+                    textFieldValueState = newValue.copy(text = filteredText)
+                    onValueChange(filteredText)
+                } else {
+                    textFieldValueState = newValue
+                    onValueChange(newValue.text)
                 }
-                onValueChange(newValue)
             },
             modifier = Modifier
                 .fillMaxWidth()
@@ -67,7 +89,15 @@ fun EditPersonalInfoTextField(
                     shape = RoundedCornerShape(8.dp)
                 )
                 .background(CertiTheme.colors.gray0)
-                .padding(screenWidthDp(12.dp)),
+                .padding(screenWidthDp(12.dp))
+                .onFocusChanged { focusState ->
+                    if (focusState.isFocused) {
+                        val text = textFieldValueState.text
+                        textFieldValueState = textFieldValueState.copy(
+                            selection = TextRange(text.length)
+                        )
+                    }
+                },
             textStyle = CertiTheme.typography.caption.regular_14.copy(
                 color = CertiTheme.colors.black
             ),
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/PersonalInfoProfileImage.kt b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/PersonalInfoProfileImage.kt
index 703fecf0..f4f9f719 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/PersonalInfoProfileImage.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/editpersonalinfo/component/PersonalInfoProfileImage.kt
@@ -22,7 +22,6 @@ import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.res.vectorResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
-import coil.compose.AsyncImage
 import org.sopt.certi.R
 import org.sopt.certi.core.util.noRippleClickable
 import org.sopt.certi.core.util.screenWidthDp
@@ -46,23 +45,12 @@ fun PersonalInfoProfileImage(
     Box(
         modifier = modifier
     ) {
-        if (selectedImageUri == null) {
-            MyPageProfileImage(
-                imageUrl = "",
-                modifier = Modifier
-                    .padding(screenWidthDp(2.dp))
-                    .size(screenWidthDp(100.dp))
-            )
-        } else {
-            AsyncImage(
-                model = selectedImageUri,
-                contentDescription = null,
-                modifier = Modifier
-                    .padding(screenWidthDp(2.dp))
-                    .size(screenWidthDp(100.dp))
-                    .clip(CircleShape)
-            )
-        }
+        MyPageProfileImage(
+            imageUri = selectedImageUri,
+            modifier = Modifier
+                .padding(screenWidthDp(2.dp))
+                .size(screenWidthDp(100.dp))
+        )
 
         Icon(
             imageVector = ImageVector.vectorResource(R.drawable.ic_pencil_24),
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainScreen.kt b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainScreen.kt
index 242fce65..e7f9a529 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainScreen.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainScreen.kt
@@ -12,7 +12,10 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.tooling.preview.Preview
 import androidx.compose.ui.unit.dp
+import androidx.core.net.toUri
 import androidx.hilt.navigation.compose.hiltViewModel
+import androidx.lifecycle.Lifecycle
+import androidx.lifecycle.compose.LifecycleEventEffect
 import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import org.sopt.certi.R
 import org.sopt.certi.core.state.UiState
@@ -37,6 +40,10 @@ fun MyPageMainRoute(
 ) {
     val uiState by viewModel.uiState.collectAsStateWithLifecycle()
 
+    LifecycleEventEffect(Lifecycle.Event.ON_RESUME) {
+        viewModel.loadMyPageData()
+    }
+
     when (val state = uiState.myPageInfoLoadState) {
         is UiState.Success -> {
             MyPageMainScreen(
@@ -70,7 +77,7 @@ fun MyPageMainScreen(
             name = uiState.nickname,
             email = uiState.email,
             jobList = uiState.jobs,
-            profileImageUrl = uiState.profileImageUrl
+            profileImageUri = if (uiState.profileImageUrl.isNotBlank())uiState.profileImageUrl.toUri() else null
         )
         LazyColumn(
             modifier = Modifier
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainViewModel.kt b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainViewModel.kt
index ace92e3d..bd97de83 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainViewModel.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/MyPageMainViewModel.kt
@@ -19,11 +19,7 @@ class MyPageMainViewModel@Inject constructor(
     private val _uiState = MutableStateFlow(MyPageUiSate())
     val uiState = _uiState.asStateFlow()
 
-    init {
-        loadMyPageData()
-    }
-
-    private fun loadMyPageData() = viewModelScope.launch {
+    fun loadMyPageData() = viewModelScope.launch {
         myPageUseCase()
             .onSuccess { result ->
                 _uiState.update { it.copy(myPageInfoLoadState = UiState.Success(result)) }
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfile.kt b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfile.kt
index 66cf7ea2..1af45230 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfile.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfile.kt
@@ -1,5 +1,6 @@
 package org.sopt.certi.presentation.ui.mypage.component
 
+import android.net.Uri
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.fillMaxWidth
@@ -22,7 +23,7 @@ fun MyPageProfile(
     name: String,
     email: String,
     jobList: List<String>,
-    profileImageUrl: String,
+    profileImageUri: Uri?,
     modifier: Modifier = Modifier
 ) {
     Column(
@@ -33,7 +34,7 @@ fun MyPageProfile(
         horizontalAlignment = Alignment.CenterHorizontally
     ) {
         MyPageProfileImage(
-            imageUrl = profileImageUrl,
+            imageUri = profileImageUri,
             modifier = Modifier.size(screenWidthDp(80.dp))
         )
         Text(
@@ -65,7 +66,7 @@ private fun MyPageProfilePreview() {
             name = "김서티",
             email = "certification@gmail.com",
             jobList = listOf("경영/사무", "무역/유통", "마케팅/광고/홍보"),
-            profileImageUrl = ""
+            profileImageUri = null
         )
     }
 }
diff --git a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfileImage.kt b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfileImage.kt
index 4382e26a..e0ca606e 100644
--- a/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfileImage.kt
+++ b/app/src/main/java/org/sopt/certi/presentation/ui/mypage/component/MyPageProfileImage.kt
@@ -1,5 +1,6 @@
 package org.sopt.certi.presentation.ui.mypage.component
 
+import android.net.Uri
 import androidx.compose.foundation.background
 import androidx.compose.foundation.layout.Box
 import androidx.compose.foundation.shape.CircleShape
@@ -19,7 +20,7 @@ import org.sopt.certi.ui.theme.CertiTheme
 
 @Composable
 fun MyPageProfileImage(
-    imageUrl: String,
+    imageUri: Uri?,
     modifier: Modifier = Modifier
 ) {
     Box(
@@ -36,7 +37,7 @@ fun MyPageProfileImage(
 
         AsyncImage(
             model = ImageRequest.Builder(LocalContext.current)
-                .data(imageUrl)
+                .data(imageUri)
                 .crossfade(true)
                 .build(),
             contentDescription = null,