Muhammad Usama Butt

Architected and led end-to-end development of scalable, secure applications in Python (Django, Flask) and Node.js. Developed AI-powered features, including chat systems, workflow automation, and intelligent tools. Built robust backend services and APIs using Node.js and Python frameworks. Implemented authentication using JWT, refresh tokens, and OAuth2 for multiple clients. Integrated LLM-based services into real-world business applications. Designed and documented REST APIs with Swagger; increased developer onboarding speed by 40%.

Developed secure backend and logic with Python, Django, MongoDB, and PostgreSQL, supporting 10,000+ daily API calls. Engineered modular and scalable front-end components using React with Redux and Context API. Integrated Generative AI features and intelligent automation into core product workflows. Introduced unit testing with Jest and integration testing with Supertest, reducing regressions by 35%. Mentored junior developers on Git workflows, code reviews, and debugging practices.

Developed responsive web applications using Python, Django, and React.js in agile teams. Built RESTful APIs and backend logic to support front-end features and third-party integrations. Collaborated on early-stage cloud deployments and backend scalability improvements. Assisted in integrating data-driven and automation features into existing platforms.