•Created scalable microservice for customer reviews capable of handling 10+ million products.
•Implemented horizontal scaling with an NGINX load balancer and Node.js/Express servers, tested to handle over 1000 RPS on AWS EC2 t2.micro instances.
•Strategically tested and optimized service for fastest response time using k6, Loader.io and New Relic.
•Completed database migration from MySQL to AWS based PostgreSQL instance.
•Integrated ORM library to make service flexible and compatible with multiple SQL database types.
•Executed API route testing with 95%+ coverage using Supertest.