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Bulbul Bagwan

@bulbulbagwan

Backend developer at Quytech who improved MongoDB query response time by 35% for applications supporting 10,000+ active users.

India

Message

At Quytech, I architected and developed full-stack applications using Node.js, Express.js, React, and MongoDB. The applications supported 10,000+ active users with 99.9% uptime, and my MongoDB schema, query, and indexing optimizations improved average query response time by 35%.

At Trigital Technologies, I designed RESTful APIs and microservices using Node.js and Koa.js, reducing server response time by 30%. I also integrated third-party APIs and deployed applications on AWS EC2.

As an Intern - Software Engineer at Navgurukul, I assisted in developing MERN stack CRUD applications and built responsive web pages. My projects include a Hyperledger Fabric-based chat application and a crypto wallet browser extension.

Experience

Work history, roles, and key accomplishments

MERN Stack Developer

Quytech

Sep 2025 - Jun 2026 (9 months)

Architected and developed full-stack web applications using Node.js, Express.js, React, and MongoDB, supporting 10,000+ active users with 99.9% uptime. Designed and implemented 5+ scalable RESTful APIs and state management patterns, reducing front-end/backend data-sync issues by 25%.

NodeJS ExpressJS React MongoDB REST APIs Agile Code Review MongoDB Optimization

Backend Developer

Trigital Technologies

Oct 2022 - Apr 2025 (2 years 6 months)

Designed and implemented scalable RESTful APIs and microservices using Node.js and Koa.js, achieving a 30% reduction in server response time. Integrated 8+ third-party APIs and optimized MongoDB queries, improving data retrieval speed by 25%.

NodeJS KoaJS REST APIs Microservices MongoDB EC2 Third Party APIs

Intern - Software Engineer

Navgurukul

Nov 2018 - Feb 2020 (1 year 3 months)

Assisted in developing full-stack CRUD applications using the MERN stack, contributing to 5+ core product features. Participated in 50+ peer code reviews, promoting clean, maintainable code and reducing post-release bugs by 15%.

MongoDB ExpressJS React NodeJS HTML CSS JavaScript Code Review