NIRAJ KUMAR SINGH

LLM / Full-Stack Engineer

Ghaziabad, Uttar Pradesh, India

@niraj_kumar_singh

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🎓 Bachelor of Technology in Computer Science and Engineering at SRM Institute of Science and Technology · Graduating 2027

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About

Penultimate-year Computer Science undergraduate building LLM-based applications, RAG pipelines, and full-stack products using Python, FastAPI, Next.js, PostgreSQL, and related tools. Has production SQL/data-modeling experience and collaborates cross-functionally to turn business problems into AI and data solutions.

Education

Bachelor of Technology in Computer Science and Engineering

SRM Institute of Science and Technology, Delhi-NCR

Computer Science and Engineering (CSE) · Jun 2023 – Jun 2027

Skills

<3 months

C SQL RAG React CI/CD Python FastAPI Node.js Next.js Express.js JavaScript TypeScript Prisma ORM Unit Testing Business Analysis Prompt Engineering API Integration Understanding

Tools / apps / platforms

<3 months

Git MySQL Redis Docker GitHub SQLite Vercel MongoDB Postman PostgreSQL

Projects

Xeno CRM, Customer Data Analytics and Segmentation Platform

PostgreSQL, SQL, Prisma ORM, Next.js, TypeScript, Groq API, Docker, Vercel

Designed relational schema, wrote SQL and Prisma queries, built segmentation logic, and integrated LLM-generated insights into the CRM data pipeline.
Revenue Recovery Intelligence Agent

Next.js, TypeScript, FastAPI, Python, PostgreSQL, Redis, Vercel

Built an AI agent that selects payment recovery actions using uplift modeling, executes actions through the Razorpay platform, and measures incremental GMV impact with experiment design and counterfactual analysis.
Hiver Support Agent, RAG-Based AI Customer Support Automation

Python, FastAPI, SQLite, Groq API, Gemini API

Built a RAG pipeline for AI customer support on the Kaggle Customer Support on Twitter dataset, including conversation reconstruction, evidence indexing, gated retrieval, constrained generation, and evaluation workflows.

Courses & certifications

Natural Language Processing · NPTEL
JPMorgan Chase Software Engineering Simulation · Forage
Meta Front-End Developer · Meta

🏆 Achievements & awards

First place at Ideathon 2026 · 2026

Won with Arogyavan AI in collaboration with a cross-functional team.

⚽ Extracurricular activities

Technical and Event Organizer (Leadership)

Organized technical events, hackathons, and tournaments; handled registrations, scheduling, and execution. Collaborated with the GeeksforGeeks Campus Ambassador team to promote coding contests and technical sessions.

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