Full Stack Developer
DSHG Sonic LLC · Feb 2024 – Sep 2026
- Delivered end-to-end features for 4 products: React / Next.js and Flutter clients, Node.js and Express REST APIs, and PostgreSQL data models, deployed on AWS.
- Reduced report query time from 120ms to 35ms by redesigning PostgreSQL indexes and query plans, and raised transaction throughput 40% by serving hot reads from Redis.
- Decoupled asynchronous processing with Kafka, keeping event handling and retries off the request path.
- Enforced a 90% Jest coverage gate across payment, authentication, and search modules.
- Deployed services with Docker and Nginx across 3 environments using Git and CI/CD, from development to production.