•What-Supps: Food supplement comparison and coupon services platform
•Worked with UI designer and converted visual design concepts into high quality user interface, using HTML5, CSS, JavaScript, ReactJS and Redux
•Designed and built the backend using Node.js and RESTful APIs, optimized security with multi-factor authentication, authorization and protection against cyber attacks using Spring Cloud
•Integrated MySQL and MongoDB database, increased query performance by 25% with optimal index
•Improved system performance by 20% with code optimization, load balancing, and caching
•Migrated from prototype into scalable architecture with AWS (Lambda, EC2, DynamoDB, S3, etc.)