Microservices API Gateway

Microservices Architecture

Architected a high-performance API gateway serving 50,000+ requests per second across 20+ backend services. Implemented service discovery, load balancing, rate limiting, and distributed tracing. Achieved sub-100ms latency at p95 and reduced infrastructure costs by 40% through efficient resource utilization.

Technologies Used

Go gRPC Kong Consul

Cross-Platform Mobile App

Mobile Application

Developed a cross-platform mobile application serving 100,000+ active users. Implemented offline-first architecture, real-time notifications, and seamless synchronization. Achieved 4.8-star rating across app stores with 95% crash-free sessions and maintained consistent performance across iOS and Android.

Technologies Used

React Native Firebase GraphQL TypeScript

ML Recommendation Engine

AI / ML Integration

Built and deployed a machine learning recommendation engine processing 1M+ predictions daily. Implemented collaborative filtering and deep learning models with A/B testing framework for continuous optimization. Increased user engagement by 35% and conversion rates by 22% while maintaining sub-50ms inference latency.

Technologies Used

Python TensorFlow MLflow SageMaker

E-Commerce Platform

Web Application

Built a scalable e-commerce platform handling 10,000+ daily transactions. Implemented real-time inventory management, payment processing integration, and advanced search capabilities. Achieved 2-second average page load times and 99.95% payment success rate.

Technologies Used

React Node.js PostgreSQL Redis