• 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.