Headline

Full Stack Developer at TCS | Exp. 2yrs+ | Guardian (2200+) at Leetcode

About

Sunny Raj is a Backend Engineer with a B.Tech in Computer Science from Techno Main Salt Lake, specializing in scalable backend systems and high-performance APIs. He currently works on aviation systems for Scandinavian Airlines (via Tata Consultancy Services), where he builds and optimizes distributed services for applications like the Turi chatbot and Airside Admin platform. His contributions include improving API latency, enhancing system reliability, and helping modernize legacy systems—resulting in significant operational cost savings. Previously, as a Founding Backend Engineer at Hyprcom, Sunny designed core systems for product and inventory management, developed engagement features, and optimized internal tools, reducing developer effort by 30% and processing time by 70%. He also built scalable REST APIs during his time at Celebal Technologies. Sunny has a strong problem-solving background, with a Specialist rating on Codeforces and a Guardian badge on LeetCode, along with notable global rankings in competitions like Meta HackerCup. He actively contributes to open source, including improvements to tools like release-it. He is skilled in Node.js, TypeScript, Golang, distributed systems, and cloud platforms (AWS, Azure), and is passionate about building efficient, scalable systems. Feel free to reach out at rajnsunny9@gmail.com. Let's build something amazing together!

Location

Bengaluru

AI stack

antigravity

codex

cursor

Work experience

System Engineers (Prime) at Tata Consultancy Services, Aug 2024 - Present · 2 yrs 1 mo, Bengaluru, Karnataka, India, Full-Stack Dev at Scandinavian Airlines

Back End Developer at Hyprcom, Mar 2024 - Aug 2024 · 6 mos, Remote, Worked on the backend system from scratch. 1. Developed the backend for Product and Inventory Management 2. Developed the backend for a social-like feature as Lens in the App. 3. Developed the backend for App Management, where the e-commerce managers can customise their app screen data. 4. Developed a dynamic excel generation for bulk inventory management.

Back End Developer at Celebal Technologies, Jun 2023 - Aug 2023 · 3 mos, Remote, Developed a project on E-commerce using React and Nodejs.

Education

Bachelor of Technology - BTech, Computer Science and engineering, Techno Main - Salt Lake

intermediate, PCM, Gaya College, Gaya

Public links

github: https://github.com/rajnsunny