diff --git a/python/sources/BigQuery_source/README.md b/python/sources/BigQuery_source/README.md
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+# BigQuery to Kafka Connector
+
+A Python utility that extracts data from Google BigQuery and publishes it to a Kafka topic using Quix Streams.
+
+## Overview
+
+This connector reads data from a BigQuery table and streams it to a Kafka topic, handling various data types and serialization challenges. It's built with Quix Streams for Kafka integration and includes custom serialization to properly handle all BigQuery data types.
+
+## Features
+
+- Connects to BigQuery using service account authentication
+- Extracts data using custom SQL queries
+- Handles complex data types including:
+  - Datetime objects
+  - Decimal values
+  - Binary data
+  - NULL/NA values
+  - Time objects
+- Publishes data to Kafka topics with proper serialization
+- Error handling for serialization issues
+
+## Prerequisites
+
+- Python 3.7+
+- Access to a Google Cloud project with BigQuery
+- A Kafka cluster configured with Quix
+- Service account credentials with BigQuery access
+
+## Installation
+
+1. Clone this repository
+2. Install dependencies:
+
+```bash
+pip install quixstreams google-cloud-bigquery pandas python-dotenv
+```
+
+## Configuration
+
+The script uses environment variables for configuration:
+
+- `output`: Kafka topic name to publish data to
+- `service_account`: JSON string containing the Google Cloud service account credentials
+
+For local development, you can use a `.env` file with these variables.
+
+## Usage
+
+1. Set the environment variables or create a `.env` file
+2. Modify the SQL query in the `read_data()` function to match your BigQuery table
+3. Run the script:
+
+```bash
+python bigquery_to_kafka.py
+```
+
+## How It Works
+
+1. The script establishes a connection to BigQuery using the provided service account credentials
+2. It executes the SQL query to fetch data from the specified table
+3. Each row is converted to a JSON-serializable format with custom handling for special data types
+4. The data is serialized and published to the Kafka topic
+5. Error handling captures and logs any serialization issues without stopping the entire process
+
+## Custom Data Type Handling
+
+The script includes two custom classes for data serialization:
+
+- `CustomJSONEncoder`: Extends the standard JSON encoder to handle BigQuery-specific data types
+- `BigQuerySerializer`: Handles pre-processing of data before serialization
+
+## Error Handling
+
+The script includes comprehensive error handling that:
+- Catches exceptions during serialization
+- Logs problematic data with detailed information
+- Continues processing other rows when errors occur
+
+## Contributing
+
+Feel free to submit issues or pull requests for improvements to the connector.
+
+## License
+
+This project is open source under the Apache 2.0 license.
diff --git a/python/sources/BigQuery_source/dockerfile b/python/sources/BigQuery_source/dockerfile
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+FROM python:3.12.5-slim-bookworm
+			
+# Set environment variables for non-interactive setup and unbuffered output
+ENV DEBIAN_FRONTEND=noninteractive \
+    PYTHONUNBUFFERED=1 \
+    PYTHONIOENCODING=UTF-8 \
+    PYTHONPATH="/app"
+			
+# Build argument for setting the main app path
+ARG MAINAPPPATH=./Enter app name here/
+			
+# Set working directory inside the container
+WORKDIR /app
+			
+# Copy requirements to leverage Docker cache
+COPY "${MAINAPPPATH}/requirements.txt" "${MAINAPPPATH}/requirements.txt"
+			
+# Install dependencies without caching
+RUN pip install --no-cache-dir -r "${MAINAPPPATH}/requirements.txt"
+			
+# Copy entire application into container
+COPY . .
+			
+# Set working directory to main app path
+WORKDIR "/app/${MAINAPPPATH}"
+			
+# Define the container's startup command
+ENTRYPOINT ["python3", "main.py"]
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diff --git a/python/sources/BigQuery_source/library.json b/python/sources/BigQuery_source/library.json
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+{
+    "libraryItemId": "big-query-source",
+    "name": "BigQuery Source",
+    "language": "Python",
+    "tags": {
+      "Type": ["Connectors"],
+      "Pipeline Stage": ["Source"],
+      "Category": ["Data warehouse"]
+    },
+    "shortDescription": "Persist data from BigQuery to Quix",
+    "EntryPoint": "dockerfile",
+    "RunEntryPoint": "main.py",
+    "DefaultFile": "main.py",
+    "Variables": [
+        {
+          "Name": "query",
+          "Type": "EnvironmentVariable",
+          "InputType": "InputTopic",
+          "Description": "Topic to store the Query that is Executed in BigQuery",
+          "DefaultValue": "",
+          "Required": true
+        },
+        {
+            "Name": "output",
+            "Type": "EnvironmentVariable",
+            "InputType": "InputTopic",
+            "Description": "Topic to store the result of BigQuery query",
+            "DefaultValue": "",
+            "Required": true
+          },
+        {
+          "Name": "SERVICE_ACCOUNT_JSON",
+          "Type": "EnvironmentVariable",
+          "InputType": "Secret",
+          "Description": "JSON string of the service account file for the BigQuery GCP project",
+          "DefaultValue": "",
+          "Required": true
+        }
+      ],
+    "DeploySettings": {
+        "DeploymentType": "Job",
+        "CpuMillicores": 200,
+        "MemoryInMb": 200,
+        "Replicas": 1,
+        "PublicAccess": false,
+        "ValidateConnection": true
+    }
+}
diff --git a/python/sources/BigQuery_source/main.py b/python/sources/BigQuery_source/main.py
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+# import the Quix Streams modules for interacting with Kafka:
+from quixstreams import Application
+from quixstreams.models.serializers.quix import JSONSerializer, SerializationContext
+
+# import additional modules as needed
+import os
+import json
+import time as tm
+import base64
+import random
+import pandas as pd
+from decimal import Decimal
+from google.cloud import bigquery
+from google.oauth2 import service_account
+from datetime import datetime, date, timezone, time
+from typing import Dict, Any, List, Generator, Optional
+
+
+
+# for local dev, load env vars from a .env file
+from dotenv import load_dotenv
+
+load_dotenv()
+
+
+class CustomJSONEncoder(json.JSONEncoder):
+    """Custom JSON encoder that handles all BigQuery data types"""
+    
+    def default(self, obj):
+        # Handle pandas NA type explicitly
+        if isinstance(obj, pd._libs.missing.NAType):
+            return None
+            
+        # Handle datetime.time objects
+        if isinstance(obj, datetime.time):
+            return obj.isoformat()
+            
+        # Handle datetime objects
+        if isinstance(obj, datetime):
+            return obj.isoformat()
+            
+        # Handle date objects
+        if isinstance(obj, date):
+            return obj.isoformat()
+            
+        # Handle Decimal objects
+        if isinstance(obj, Decimal):
+            return str(obj)
+            
+        # Handle bytes
+        if isinstance(obj, bytes):
+            return base64.b64encode(obj).decode('utf-8')
+            
+        # Handle NaN and NA values
+        if pd.isna(obj):
+            return None
+            
+        # Let the base class handle anything else
+        return super().default(obj)
+
+
+class BigQuerySerializer(JSONSerializer):
+    """Serializer for BigQuery data that handles all data types"""
+    
+    def __call__(self, value, ctx):
+        """Serialize a value to JSON string"""
+        if value is None:
+            return None
+        return self._dumps(value)
+        
+    def _dumps(self, value):
+        # For dictionaries, pre-process to explicitly handle problematic types
+        if isinstance(value, dict):
+            processed_dict = {}
+            for k, v in value.items():
+                # Handle pandas NA type explicitly
+                if isinstance(v, pd._libs.missing.NAType):
+                    processed_dict[k] = None
+                # Handle NaT strings
+                elif v == 'NaT':
+                    processed_dict[k] = None
+                else:
+                    processed_dict[k] = v
+            
+            # Use our custom encoder to handle all other special types
+            return json.dumps(processed_dict, cls=CustomJSONEncoder)
+        
+        # Use our custom encoder for any value
+        return json.dumps(value, cls=CustomJSONEncoder)
+
+
+app = Application(consumer_group="data_source", auto_create_topics=True)
+serializer = BigQuerySerializer()
+
+# define the topic using the "output" environment variable
+topic_name = os.environ["output"]
+topic = app.topic(topic_name)
+
+# define the topic storing the service account credentials and extract the secret value
+service_account_json = os.environ["service_account"]
+service_account_info = json.loads(service_account_json, strict=False)
+
+
+def read_data():
+    # Connect to BigQuery
+    credentials = service_account.Credentials.from_service_account_info(
+        service_account_info,
+        scopes=["https://www.googleapis.com/auth/cloud-platform"]
+    )
+    client = bigquery.Client(credentials=credentials, project=credentials.project_id)
+
+    # Query to fetch data from BigQuery with all supported data types
+    # This query should include all BQ data types you want to support
+    query = """
+    Enter your Query here
+    """
+    
+    # Adjusted query to match existing table schema
+    # Add other columns only if they exist in your table
+
+    print("Table Rows loading.")
+    df = client.query_and_wait(query).to_dataframe()
+    print("Table Rows loaded.")
+
+    row_count = len(df)
+    stream_id = f"BQ_DATA_{str(random.randint(1, 100)).zfill(3)}"
+    headers = df.columns.tolist()
+
+    print(f"Publishing {row_count} rows.")
+
+    for _, row in df.iterrows():
+        # Convert row to dictionary while properly handling all data types
+        row_data = {}
+        for header in headers:
+            value = row[header]
+            
+            # Skip columns that don't exist in the query result
+            if pd.isna(value) and header not in df.columns:
+                continue
+                
+            # Handle special data types
+            if isinstance(value, (datetime, date)):
+                row_data[header] = value.isoformat()
+            elif isinstance(value, time):  # Handle datetime.time here
+                row_data[header] = value.strftime("%H:%M:%S")  # Convert time to string
+            elif isinstance(value, bytes):
+                row_data[header] = base64.b64encode(value).decode('utf-8')
+            elif isinstance(value, Decimal):
+                # Store Decimal as string to preserve precision
+                row_data[header] = str(value)
+            else:
+                row_data[header] = value
+
+        # add current timestamp
+        row_data["Timestamp"] = tm.time_ns()
+        yield stream_id, row_data
+
+
+def main():
+    """
+    Read data from the BigQuery table and publish it to Kafka
+    """
+
+    def debug_type(obj):
+        print(f"Type: {type(obj)}, Value: {obj}, repr: {repr(obj)}")
+        if hasattr(obj, '__dict__'):
+            print(f"Object attributes: {obj.__dict__}")
+        return str(obj)
+
+    producer = app.get_producer()
+
+    with producer:
+        for message_key, row_data in read_data():
+            try:
+                serialized_value = serializer(
+                    value=row_data,
+                    ctx=SerializationContext(topic=topic.name, field='value')
+                )
+
+                producer.produce(
+                    topic=topic.name,
+                    key=message_key,
+                    value=serialized_value,
+                )
+            except Exception as e:
+                print(f"Error serializing row: {e}")
+                print(f"Problematic row data: {row_data}")
+                for k, v in row_data.items():
+                    print(f"Key: {k}, Value type: {type(v)}")
+                    if pd.isna(v):
+                        print(f"  This is a pandas NA value: {repr(v)}")
+                # Continue with next row instead of stopping completely
+                continue
+                
+        print("All rows published")
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except KeyboardInterrupt:
+        print("Exiting.")
+    except Exception as e:
+        print(f"Error: {e}")
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diff --git a/python/sources/BigQuery_source/requirements.txt b/python/sources/BigQuery_source/requirements.txt
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+quixstreams==3.2.1
+python-dotenv
+google-auth
+google-cloud-bigquery
+google-cloud-bigquery[pandas]
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