Harshavardhan Gudem

Software Engineer @Pagoda Tree Education Ltd

Salt Lake County, UT, US

Migrated a WordPress monolith to a microservices architecture with React and Spring Boot, modularizing services for maintainability and fault isolation, shortened development cycles by 40%- Replatformed PHP endpoints to Spring Boot with PostgreSQL, applied targeted indexes, server-side caching, and HikariCP. Executed ACID-safe MySQL to PostgreSQL migration, cutting latency 35% and raising DB throughput 30%- Rebuilt registration, course-selection, and payment flows in React and Redux with componentized forms and a mobile-first UI, and hardened authentication with OAuth2/JWT (improved session lifecycles, least-privilege scopes), increasing engagement by 25% and reducing login/security incidents by 85%- Shipped an LLM-powered help assistant for course FAQs via a Spring Boot service with RAG over a pgvector index in PostgreSQL, surfaced in the React UI to deliver contextual answers from internal docs- Implemented end-to-end delivery by containerizing services and deploying to AWS EKS (rolling updates, health probes, autoscaling) and creating CI/CD pipelines in GitHub Actions, resulting in zero-downtime releases, 99.9% uptime, and minutes-level deployments.