Built self-serve ads platform across Reddit, enabling scalable ads business as DAU and ad spend grew year over year. Created a Kinesis-Lambda-S3 data pipeline to ingest impression and click events for billing, optimization models, and downstream analytics. Developed ad and internal tools in React/Angular, translating UX wireframes into responsive interfaces. Implemented CI/CD with GitHub and Jenkins, Docker, and Kubernetes, automating deployments to AWS ECS/EKS clusters. Built pipelines for core ad edge and metadata services and integrated with messaging and monitoring tools.

Senior Software Engineer at Glean AI

November 1, 2021 - Present

Led development of Glean AI Assistant and Agents, enabling natural-language queries and saving 2-3 hours per user weekly. Designed RAG backend in Python and Java, grounding answers in real documents and fine-tuning models. Implemented serverless query path with AWS Lambda and API Gateway to elastically handle Assistant traffic while maintaining chat-style latency with interactive thresholds. Managed orchestration on Kubernetes with in-memory caching and rate limiting, coordinating LLM calls and protecting downstream systems as query volume grew. Built conversational UI in React and TypeScript with streaming responses, inline citations, and follow-up prompts. Added policy and safety checks for prompts/outputs; mentored junior engineers through design reviews and pair sessions; raised backend code quality and helped onboarding for AI Assistant and Agents platform.