Kushagra Vats

• Developed 100+ REST APIs for onboarding, messaging, and event hosting in the Soiree app. • Integrated WebSockets (Socket.io) for real-time group chat with less than 100ms latency. • Optimized MongoDB + SQL hybrid backend, reducing query time by 30%. • Wrote Postman test suites; deployed Dockerized app with GitHub Actions CI/CD.

Solved 800+ DSA problems on LeetCode, CodeChef (1500+), and Codeforces (Pupil). • Mastered DP, graphs, and greedy patterns; received mentor feedback in mock interviews. • Maintained 85%+ accuracy in contests, strengthening speed and problem-solving