Shantanu Sarkar
Shantanu Sarkar
Powerful, scalable, and secure backend systems built with Python and Flask. Clean APIs, solid architecture, real results.
Well-structured, documented REST APIs with proper HTTP methods, status codes, and JSON responses.
Secure login, registration, and session management using Flask-Login, JWT, or OAuth integrations.
Secure file upload, storage, processing, and retrieval — images, documents, or any format you need.
Connect your app to external services — payment gateways, AI APIs, email services, and more.
Automated email sending, welcome messages, password reset flows, and notification triggers.
Identify bottlenecks, fix bugs, and optimize your Flask app for speed, reliability, and scalability.
Understanding what your backend needs to do — endpoints, data flow, business logic, and integrations.
Planning the app structure, folder layout, database models, and API blueprint before coding.
Building routes, models, authentication, and business logic in clean, well-commented Python code.
Testing all endpoints with sample data, edge cases, and error scenarios to ensure reliability.
Deploying to Render or your server, plus handing over API documentation and source code.