Open to opportunities

Ajeet Kumar

@ajeetkumar2

Full-stack engineer building scalable React/Node systems, optimizing performance with caching, CI/CD, and AI integrations.

India

Message

What I'm looking for

I want to build scalable, performance-first web systems—using React/Node, caching, queues, and CI/CD. I’m excited to work on low-latency features and ship AI-enabled experiences (RAG/LLMs) in a team that values fast iteration.

I’m a full-stack engineer focused on shipping scalable web products with measurable performance gains. In my current role, I build React.js + Node.js/Express features on top of MongoDB, improve frontend responsiveness, and optimize APIs using Redis caching and indexing to reduce latency.

I also enjoy turning hard problems into reliable systems—automating deployments with Docker, GitHub Actions CI/CD, and AWS EC2, and improving throughput with asynchronous processing. My projects reflect this same mindset: I built a DSA learning platform, and an AI-powered GitHub review pipeline using RAG with Pinecone and BullMQ, alongside a distributed code evaluation platform using Socket.io and queue-based execution.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Engineer

Current

Fraxxra Tech Pvt Ltd

Apr 2026 - Present (3 months)

Developed scalable full-stack features using React.js, Node.js, Express.js, and MongoDB, improving frontend responsiveness by 35%. Optimized APIs using Redis caching and MongoDB indexing, reducing response latency by 60%, and automated deployments with Docker, GitHub Actions CI/CD, and AWS EC2.

React Node MongoDB Redis Docker CI CD GitHub Actions EC2

Software Development Engineer Intern

TestUnity

Feb 2026 - Apr 2026 (2 months)

Optimized 50+ REST APIs using Redis caching to reduce latency by 60%. Improved backend efficiency with asynchronous processing using RabbitMQ, increasing throughput by 70%, and applied performance optimizations to reduce LCP, FCP, and TBT.

REST APIs Redis Asynchronous RabbitMQ Performance Optimization FCP TBT

Freelance Full Stack Developer

Self-Employed

Jun 2025 - Jan 2026 (7 months)

Built and delivered full-stack web applications using React, Node.js, Express, and MongoDB for multiple clients. Designed scalable REST APIs and authentication systems, optimized database queries, and collaborated directly with clients to gather requirements and deploy production updates.

React Node Express MongoDB REST APIs Authentication Systems