diff --git a/backend/.env.example b/backend/.env.example
new file mode 100644
index 0000000..749ce63
--- /dev/null
+++ b/backend/.env.example
@@ -0,0 +1 @@
+BEARER_TOKEN=
\ No newline at end of file
diff --git a/backend/.gitignore b/backend/.gitignore
new file mode 100644
index 0000000..c66ba3a
--- /dev/null
+++ b/backend/.gitignore
@@ -0,0 +1,2 @@
+.env
+.venv
\ No newline at end of file
diff --git a/backend/Pipfile b/backend/Pipfile
new file mode 100644
index 0000000..55f7993
--- /dev/null
+++ b/backend/Pipfile
@@ -0,0 +1,14 @@
+[[source]]
+url = "https://pypi.org/simple"
+verify_ssl = true
+name = "pypi"
+
+[packages]
+tweepy = "*"
+python-dotenv = "*"
+
+[dev-packages]
+autopep8 = "*"
+
+[requires]
+python_version = "3.10"
diff --git a/backend/Pipfile.lock b/backend/Pipfile.lock
new file mode 100644
index 0000000..311f784
--- /dev/null
+++ b/backend/Pipfile.lock
@@ -0,0 +1,118 @@
+{
+    "_meta": {
+        "hash": {
+            "sha256": "076ebc5063c8ac3902f789ecb5e27ca1a027009fe96c8ebcdcb01cf2decf975c"
+        },
+        "pipfile-spec": 6,
+        "requires": {
+            "python_version": "3.10"
+        },
+        "sources": [
+            {
+                "name": "pypi",
+                "url": "https://pypi.org/simple",
+                "verify_ssl": true
+            }
+        ]
+    },
+    "default": {
+        "certifi": {
+            "hashes": [
+                "sha256:0d9c601124e5a6ba9712dbc60d9c53c21e34f5f641fe83002317394311bdce14",
+                "sha256:90c1a32f1d68f940488354e36370f6cca89f0f106db09518524c88d6ed83f382"
+            ],
+            "markers": "python_full_version >= '3.6.0'",
+            "version": "==2022.9.24"
+        },
+        "charset-normalizer": {
+            "hashes": [
+                "sha256:5a3d016c7c547f69d6f81fb0db9449ce888b418b5b9952cc5e6e66843e9dd845",
+                "sha256:83e9a75d1911279afd89352c68b45348559d1fc0506b054b346651b5e7fee29f"
+            ],
+            "markers": "python_full_version >= '3.6.0'",
+            "version": "==2.1.1"
+        },
+        "idna": {
+            "hashes": [
+                "sha256:814f528e8dead7d329833b91c5faa87d60bf71824cd12a7530b5526063d02cb4",
+                "sha256:90b77e79eaa3eba6de819a0c442c0b4ceefc341a7a2ab77d7562bf49f425c5c2"
+            ],
+            "markers": "python_version >= '3.5'",
+            "version": "==3.4"
+        },
+        "oauthlib": {
+            "hashes": [
+                "sha256:1565237372795bf6ee3e5aba5e2a85bd5a65d0e2aa5c628b9a97b7d7a0da3721",
+                "sha256:88e912ca1ad915e1dcc1c06fc9259d19de8deacd6fd17cc2df266decc2e49066"
+            ],
+            "markers": "python_full_version >= '3.6.0'",
+            "version": "==3.2.1"
+        },
+        "python-dotenv": {
+            "hashes": [
+                "sha256:1684eb44636dd462b66c3ee016599815514527ad99965de77f43e0944634a7e5",
+                "sha256:b77d08274639e3d34145dfa6c7008e66df0f04b7be7a75fd0d5292c191d79045"
+            ],
+            "index": "pypi",
+            "version": "==0.21.0"
+        },
+        "requests": {
+            "hashes": [
+                "sha256:7c5599b102feddaa661c826c56ab4fee28bfd17f5abca1ebbe3e7f19d7c97983",
+                "sha256:8fefa2a1a1365bf5520aac41836fbee479da67864514bdb821f31ce07ce65349"
+            ],
+            "markers": "python_version >= '3.7' and python_version < '4'",
+            "version": "==2.28.1"
+        },
+        "requests-oauthlib": {
+            "hashes": [
+                "sha256:2577c501a2fb8d05a304c09d090d6e47c306fef15809d102b327cf8364bddab5",
+                "sha256:75beac4a47881eeb94d5ea5d6ad31ef88856affe2332b9aafb52c6452ccf0d7a"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==1.3.1"
+        },
+        "tweepy": {
+            "hashes": [
+                "sha256:0a21396b646af4fcee69762d2908c104e1fe2e2c4e1dfd6e6078a41b38771382",
+                "sha256:310193775d7fc381abd6f37021a9af27f7e9edfcce5ec51bd73ea5f30c21fa61"
+            ],
+            "index": "pypi",
+            "version": "==4.10.1"
+        },
+        "urllib3": {
+            "hashes": [
+                "sha256:3fa96cf423e6987997fc326ae8df396db2a8b7c667747d47ddd8ecba91f4a74e",
+                "sha256:b930dd878d5a8afb066a637fbb35144fe7901e3b209d1cd4f524bd0e9deee997"
+            ],
+            "markers": "python_version >= '2.7' and python_version not in '3.0, 3.1, 3.2, 3.3, 3.4, 3.5' and python_version < '4'",
+            "version": "==1.26.12"
+        }
+    },
+    "develop": {
+        "autopep8": {
+            "hashes": [
+                "sha256:6f09e90a2be784317e84dc1add17ebfc7abe3924239957a37e5040e27d812087",
+                "sha256:ca9b1a83e53a7fad65d731dc7a2a2d50aa48f43850407c59f6a1a306c4201142"
+            ],
+            "index": "pypi",
+            "version": "==1.7.0"
+        },
+        "pycodestyle": {
+            "hashes": [
+                "sha256:2c9607871d58c76354b697b42f5d57e1ada7d261c261efac224b664affdc5785",
+                "sha256:d1735fc58b418fd7c5f658d28d943854f8a849b01a5d0a1e6f3f3fdd0166804b"
+            ],
+            "markers": "python_version >= '3.6'",
+            "version": "==2.9.1"
+        },
+        "toml": {
+            "hashes": [
+                "sha256:806143ae5bfb6a3c6e736a764057db0e6a0e05e338b5630894a5f779cabb4f9b",
+                "sha256:b3bda1d108d5dd99f4a20d24d9c348e91c4db7ab1b749200bded2f839ccbe68f"
+            ],
+            "markers": "python_version >= '2.6' and python_version not in '3.0, 3.1, 3.2, 3.3'",
+            "version": "==0.10.2"
+        }
+    }
+}
diff --git a/backend/README.md b/backend/README.md
new file mode 100644
index 0000000..d871034
--- /dev/null
+++ b/backend/README.md
@@ -0,0 +1,29 @@
+# CelebrityWall
+
+### 1) Setup the project
+
+install pipenv
+```bash
+pip install pipenv
+```
+
+install python packages
+
+```bash
+pipenv install --dev
+```
+
+### 2) Set requirement variables
+- Create `.env` same as `.env.example`
+
+- Change `username` in `main.py` (Note: until we have list of Celebrities)
+
+### 3) run the script
+
+```bash
+pipenv shell
+python main.py
+```
+
+### 3) More
+The python Library we use to call twitter API: https://github.com/tweepy/tweepy
diff --git a/backend/__init__.py b/backend/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/helpers/__init__.py b/backend/helpers/__init__.py
new file mode 100644
index 0000000..e69de29
diff --git a/backend/helpers/user_tweets.py b/backend/helpers/user_tweets.py
new file mode 100644
index 0000000..e1e20f8
--- /dev/null
+++ b/backend/helpers/user_tweets.py
@@ -0,0 +1,48 @@
+
+from datetime import datetime, timezone
+import tweepy
+
+WANTED_HASHTAGS = ["#mahsaamini", "#مهسا_امینی", "#opiran"]
+
+
+def get_user_tweets(client: tweepy.Client, user_name: str, start_date: datetime.astimezone, end_date: datetime.astimezone):
+    """Get User's Tweets
+    This endpoint/method returns Tweets composed by a single user,
+    specified by the requested user ID
+
+    :param user_name
+    :return: [user tweets]
+    """
+
+    # Get user by username
+    user = client.get_user(username=user_name)
+    if not user.data:
+        # if there is no user, return None
+        return None
+    user = user.data
+
+    # Get user tweets
+    # TODO: find a way to filter by hashtag here
+    users_tweets = client.get_users_tweets(
+        id=user.id,
+        end_time=start_date,
+        start_time=end_date
+    )
+    return users_tweets.data
+
+
+def get_user_tweets_by_hashtag(client: tweepy.Client, user_name: str, start_date: datetime.astimezone, end_date: datetime.astimezone):
+    """Get User's tweets which has the hashtag
+
+    :param user_name
+    :return: [Tweet ID]
+    """
+    # call the get_user_tweets function
+    users_tweets = get_user_tweets(client, user_name, start_date, end_date)
+    if users_tweets:
+        tweets_with_hashtag = []
+        for tweet in users_tweets:
+            # Check if one of hashtags is on the tweet
+            if any([wanted_hashtag in tweet.text.lower() for wanted_hashtag in WANTED_HASHTAGS]):
+                tweets_with_hashtag.append(tweet.id)
+        return tweets_with_hashtag
diff --git a/backend/main.py b/backend/main.py
new file mode 100644
index 0000000..862def2
--- /dev/null
+++ b/backend/main.py
@@ -0,0 +1,24 @@
+import tweepy
+from dotenv import dotenv_values
+from helpers.user_tweets import get_user_tweets_by_hashtag
+from datetime import datetime
+
+# Get the .env values
+config = dotenv_values(".env")
+
+bearer_token = config.get("BEARER_TOKEN")
+# access_token = config.get("API_KEY")
+# access_token_secret = config.get("API_KEY_SECRET")
+
+start_date = datetime.now().astimezone()
+end_date = datetime(2022, 9, 16, 0, 0, 0, 0).astimezone()
+
+# set-up tweepy Client
+client = tweepy.Client(bearer_token)
+
+
+# Get user Tweets
+# TODO: Loop all the users
+username = "FoadHaydri"
+tweet_ids = get_user_tweets_by_hashtag(client, username, start_date, end_date)
+print(tweet_ids)