Dharmaraja Vandanapu

Senior Software Engineer

HungerBox

Bengaluru

07.2019 - Current

Designed and managed scalable backend systems and data pipelines using AWS (EC2, ECS, RDS, Redshift, Glue, S3, Lambda) with event-driven, serverless architecture; automated ingestion of 500K+ records daily into a data lake to enable BI reporting and search analytics, ensuring high availability.
Led the design and development of scalable microservices for bulk ordering and minimum guarantee features using Django, MySQL, and PostgreSQL; ensured system stability and performance with monitoring tools, including Prometheus, New Relic, and Grafana.
Enhanced application performance and scalability by profiling, refactoring, and optimizing legacy code; tuned SQL queries and created indexes; integrated advanced caching strategies with Redis and in-memory stores; engineered Redis connection pooling to reduce new connection overhead by 90%, significantly improving throughput and stability.
Developed robust APIs in Go, implemented payment integrations using Laravel PHP and the factory pattern, and demonstrated good knowledge of frontend technologies, including Angular and AngularJS; integrated LLMs for AI-powered, context-aware feedback features.
Conducted continuous code reviews, mentored junior engineers, and promoted Agile methodologies; upheld DevOps best practices by managing CI/CD pipelines (Docker, Jenkins, Git), implementing test automation, and maintaining clear documentation for the consistent delivery of production-grade solutions.