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Sumit Kumar

@iamsumitkumar64

Backend engineer at Zenmonk building NestJS microservices and RabbitMQ pipelines for decoupled applications.

At Zenmonk Software & Services, I architect modular microservices platforms with NestJS, Next.js, React, and TypeScript, using decoupled domain logic and TypeORM persistence.

I implement asynchronous messaging pipelines with RabbitMQ and BullMQ, and apply Domain-Driven Design and CQRS to core application modules.

At Techbuilder, I maintained Node.js services for a ride and food delivery platform and integrated PayMongo and GWallet. I also architected Stripe Connected Accounts for vendor and driver onboarding and automated payouts.

My projects include Deca Chat, a real-time multi-room messaging system with RabbitMQ Inbox-Outbox synchronization, and an AI Problem Analyzer that processes runtime logs and error traces with Google Gemini API. I’ve also completed over 220 LeetCode challenges using C++.

Experience

Work history, roles, and key accomplishments

Current

Full Stack Developer Intern

Current

Zenmonk Software & Services

Feb 2026 - Present (8 months)

Architected modular microservices platforms using NestJS, Next.js, React, and TypeScript with decoupled domain logic and TypeORM relational persistence models. Implemented resilient asynchronous message pipelines and event-driven communication systems utilizing RabbitMQ, BullMQ, and Docker.

NestJS Next.js React TypeScript TypeORM RabbitMQ BullMQ Docker Domain Driven Design CQRS Postman Zod

Node.js Developer Intern

Techbuilder

Nov 2025 - Feb 2026 (3 months)

Maintained scalable backend services in Node.js for a ride & food delivery platform, supporting real-time orders. Integrated PayMongo and GWallet payment gateways and architected Stripe Connected Accounts for vendor/driver onboarding and automated payouts.

NodeJS PayMongo GWallet Stripe Connect Git GitHub Webhooks

MERN Stack Intern

CodeQuotient

Feb 2025 - Nov 2025 (9 months)

Built responsive full-stack applications using MongoDB, Mongoose, Express, React, and Node.js (MERN) stack. Mastered core computer science principles and data structures, completing over 220+ challenges on LeetCode using C++.

MongoDB Mongoose Express React NodeJS C++Data Structures Algorithms