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Niraj Koli

@nirajkoli

Hi, I’m Niraj, a Software Engineer in Mumbai. I build high-volume backend systems for the National Stock Exchange of India, and I work on AI too: comp

India

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What I'm looking for

Seeking a challenging role that leverages my technical skills and passion for innovation, with opportunities for growth and collaboration.

Niraj Koli is a Software Engineer based in Mumbai who builds scalable, high-volume event-driven systems for the National Stock Exchange of India (via IESoft Technologies). He built File Adapter, a Python replication package on Solace PubSub+ that moves 10M+ messages (3.4 TB) a day across 219 servers, and he develops Node.js and TypeScript microservices for NSE’s Offer for Sale and order book workflows. On the AI side, he has trained YOLOv8 models for surveillance products and built Gauntlet, a multi-agent LLM trading platform, and Secureye, a real-time threat detection app. He holds a B.E. in Computer Engineering from the University of Mumbai, with a 9.25 CGPA.

Experience

Work history, roles, and key accomplishments

Current

Software Engineer

Current

National Stock Exchange of India

Aug 2024 - Present (2 years 3 months)

Built File Adapter, a Python package on Solace PubSub+ that replicates 10M+ messages (3.4 TB) a day across 219 DC and DR servers. Developed Express.js and TypeScript microservices for zero-downtime OFS workflows and order book snapshots, a React monitoring dashboard for 200+ users, and rebuilt 7 legacy services, cutting response times from 150–200 ms to 10–20 ms.

React Python Node Express PostgreSQL Solace PubSub+Solace RHEL TypeScript JavaScript Microservices Message Queues Event Driven Architecture

Software Engineer

Guardinger Technologies

Sep 2023 - Apr 2024 (7 months)

Designed React, Redux Toolkit and MUI interfaces for intrusion detection and surveillance products, with live camera feeds and detection alarms. Trained YOLOv8 models (10 to 50 classes) on satellite images, videos and live feeds. Made rendering 40% faster, built FastAPI and PostgreSQL APIs tested with pytest, and used AWS S3 and Docker for storage and deployment.

React Redux Machine Learning fastAPI Python OpenCV PyTorch AWS Redux toolkit PostgreSQL YOLO

Education

Degrees, certifications, and relevant coursework

University of Mumbai

Bachelor of Engineering, Computer Engineering

2020 - 2024

Grade: 9.25

Activities and societies: Gaming Club, Football

Bachelor of Engineering in Computer Engineering from Vidyalankar Institute of Technology, University of Mumbai (2020–2024), graduating with a CGPA of 9.25/10. Built a strong foundation in core computer science.