Developed over 4 Microservices to streamline user management, product cataloging, and payment processing. Integrated Stripe payment gateway and OAuth 2.0 authentication for secure transactions. Optimized payment processing with a dynamic retry strategy, reducing timeouts by 20%. Engineered an event-driven email service using Kafka for real-time notifications Optimized response time of APIs from ~500ms to ~20ms by effective usage of Redis caching. Created unit tests with 80% code coverage and deployed the application in AWS EBS