Headline

Backend & Full Stack Engineer | Node.js, TypeScript, PostgreSQL, Redis | Scalable API Systems

About

Backend & Full Stack Engineer specializing in building scalable API systems, real-time architectures, and performance-optimized backend services. I have experience developing production-grade REST APIs, WebSocket-based real-time systems, and distributed caching layers using Node.js, TypeScript, PostgreSQL, and Redis. My work focuses on reliability, performance optimization, and clean backend architecture. At DeltaX (Ad-Tech), I worked on high-scale internal analytics systems where I: • Developed and maintained 8+ REST APIs • Reduced API latency by 10–12% through query optimization and indexing • Refactored legacy services improving system reliability and fault tolerance I enjoy working on: • Backend architecture design • Database performance tuning • Concurrency handling • Real-time collaboration systems • Caching & API optimization • Production observability & structured logging Selected Projects: • Slate – Real-Time Collaborative Canvas (WebSockets, JWT Auth, PostgreSQL) • Reddit MCP – High-performance AI data backend with 95% API call reduction via Redis caching • ShortX – Transaction-safe URL shortener with analytics tracking

Location

Bihar

AI stack

antigravity

opencode

claudecode

Work experience

Software Engineer Intern at TheVentureForge, Apr 2026 - Present · 5 mos, Bangalore Urban, - Engineered an event-driven backend using FastAPI + PostgreSQL, handling 10K+ webhook requests/day with async processing and API key authentication. - Implemented RESTful webhook infrastructure for real-time third-party integrations, reducing processing latency by 40%. - Designed a data pipeline processing 250K+ instrument records, improving ingestion efficiency by 35% using optimized SQLAlchemy queries. - Constructed 60+ automated test cases (mock-based), increasing system reliability and reducing regression issues by 30%.

Backend Engineer Intern at DeltaX, Feb 2024 - Oct 2024 · 9 mos, Bangalore Urban, Karnataka, India, Designed and maintained 8+ REST API endpoints using Node.js & Express supporting internal analytics workflows in a high-scale ad-tech environment. Improved API response time by 10–12% through MySQL query optimization, indexing strategies, and execution plan analysis. Refactored 10+ legacy services improving fault tolerance. Implemented structured logging and improved request lifecycle handling, increasing system observability and runtime reliability. Worked in a containerized environment with Bit Bucket.

Research And Development Intern at SPCRC-IIITH, May 2023 - Jul 2023 · 3 mos, Hyderabad, Telangana, India, Worked under the guidance of Dr. Sachin Chaudhari where I had the privilege to work at WaterIoT to create and launch the HydrowVerse water data monitoring app on the Google Play Store. Additionally, I significantly enhanced a Flutter-based app for smart water devices, introducing innovative features, improving the user interface, and resolving bugs.

Secretary of Design Club IIITV-ICD at Indian Institute of Information Technology Vadodara, Dec 2020 - Jan 2023 · 2 yrs 2 mos, Remote, As the Secretary of the Design Club at IIITV-ICD, I orchestrated and led events, comprising workshops, design competitions, and design critiques. During my tenure, I had the privilege of mentoring dedicated club members, offering invaluable guidance and feedback on their design projects. Collaborating with the institute administration, I actively promoted the club and contributed to the recruitment of new members. Additionally, I took on the responsibility of developing and maintaining the club's website and managing our presence on social media platforms, ensuring effective communication and engagement within the club and beyond.

Founding Member of Sports Committee at Indian Institute of Information Technology Vadodara, Dec 2020 - Jan 2023 · 2 yrs 2 mos, As a Founding Member of the Sports Committee, I had the wonderful opportunity to lead and manage 10 successful events. These included a mix of online and offline events, each of which received positive feedback and participation from our vibrant community. One of the highlights was organizing the College Sports Fest, fondly known as "Olympus," which saw the enthusiastic participation. Throughout these events, I was responsible for ensuring smooth coordination and communication, making sure everything went off without a hitch. Working closely with fellow committee members and volunteers, we aimed to create a fun and engaging atmosphere for all participants. These experiences in event management and sports organization have given me valuable skills that I believe will be a great asset in any future endeavors.

Education

Bachelor of Technology - BTech, Computer Science, Indian Institute of Information Technology Vadodara

Intermediate, English, Mathematics, Science and Computer Science, St. Joseph's School, Bhagalpur

Public links

github: https://github.com/rajtejaswee