I'm Pon Raaj V, a software developer from Chennai, India. Currently studying Computer Science at Chennai Institute of Technology.
I build things with Python, Kotlin, Go, TypeScript, and React. I care about making software that actually works well and doesn't look terrible.
Migrated the internal test harness for Android UI components from an internal build system to Gradle. Built a test-toolkit for easier test authoring, migrated the legacy test suite to new test infra, and improved reliability from ~83% to 99.9% with 13x faster execution enabling to catch regressions in PR.
Built multi-agent systems with LangGraph and Google's ADK. Engineered real-time voice agents using OpenAI Realtime models over WebRTC.
Built an automated email system using Google's SMTP server, delivering 6,000+ emails with 93% inbox delivery rate. Developed a treasury management system for tracking transactions, budgeting, and fund allocation.
Peer-to-peer file sharing over WebRTC data channels with a minimal WebSocket signaling server. Chunk-based transfers with buffer control, reassembly, and progress updates.
GitHubCross-platform native desktop download manager with pause, resume, and cancel support. Concurrent chunk downloads via Go routine thread pool.
GitHubFetches LeetCode, CodeChef, and Codeforces contest data in real time. Contest counts, ratings, and analysis graphs for cross-platform tracking.
GitHub