Nishitha singh N User

I’m a Backend Developer specializing in Python, focused on building scalable APIs, real-time systems, and secure backend services. I enjoy turning system requirements into reliable implementations with clean API design and strong performance.

In remote roles, I’ve developed backend APIs and services for cloud-based applications, implemented authentication systems using JWT and role-based access, and optimized SQL queries to improve performance by 40%. I also design solutions with scalability, reliability, and security in mind from the start.

I build feature-rich systems end-to-end through projects like a Real-Time Chat Backend using FastAPI, PostgreSQL, Redis, and WebSockets—complete with offline message queues, caching, and message persistence. I also created an AI Backend Assistant integrating LLM APIs for context-aware responses and deploying optimized services for scalable request handling.

Beyond traditional backend work, I’ve developed a Customer Churn Prediction System with an end-to-end ML pipeline achieving 85% accuracy, including feature engineering, hyperparameter tuning, and an interactive dashboard for business insights. I value practical engineering, measurable impact, and continuous improvement.