👋 Hello,

I am Niloy Kumar Das

Javascript Developer

Available for new opportunities

I design and develop high-performance web and mobile applications with modern technologies like React.js, React Native, Next.js, Node.js, Express.js, MongoDB, and SQL. My focus is delivering seamless user experiences with clean architecture and scalable solutions.

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Niloy Kumar Das

Experience

company/logo

Software Developer

CrackTech Ltd.Part time

Jun 2025Current

Silver Janani Tower, Jail Road, CumillaRemote

I work at CrackTech Ltd, a software development company, as a full-stack web and mobile application developer. My responsibilities include contributing to the development of both web and mobile applications using technologies such as React.js, React Native, Next.js, Node.js, and various other tools. Our Company Website Link - https://cracktech.com.bd/
company/logo

Junior Software Engineer

Messbook software Ltd.Full time

Jan 2024Jun 2025

Dhaka, BangladeshRemote

As a Software Engineer, I built responsive web and mobile interfaces, developed RESTful APIs, managed MongoDB and SQL databases, and deployed applications on AWS. I contributed to code reviews, ensured secure data handling, and improved application performance after deployment.. Our Company Website Link - https://www.messbook.com.bd/

Recent Projects

Live MCQ

Live MCQ

This project is a cross-platform Live MCQ Mobile Application, available on both the Google Play Store and Apple App Store.

React NativeRedux.jsNode.jsNO SQL
Doplac CRM

Doplac CRM

Marketing CRM for Digital Agencies

Vue.jsTypescriptNode.jsExpress.js
MessBook software ltd.

MessBook software ltd.

Messbook is a platform to find, rent and manage mess or shared residence for bachelors through app, website & messenger bot.

React.jsRedux.jsJavascriptNode.jsExpress.js
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Core Expertise: FullStack Development

My passion is crafting high-quality, beautiful mobile and web applications exclusively with Mern stack. Here's a breakdown of my technical skills within the Mern stack.

Frontend Development

Expertise in designing and developing fully responsive modern web and mobile application with complex animations.

  • React.js
  • React Native
  • Next.js
  • Redux Toolkit
  • Framer Motion
  • WebGl
  • Zustand
  • React Native reanimated

Backend Development

Building robust server-side systems, integrating APIs, and managing data with high performance, scalability, and security.

  • Node.js
  • Nest.js
  • Express.js
  • MongoDB
  • SQL
  • Prisma
  • REST APIs
  • GraphQL
  • WebSockets

Language & Tools

I am skilled and have work experience in all of this languages & tools.

  • Javascript
  • TypeScript
  • Python
  • PHP
  • Git

Hosting

I have experience to deploy production ready application to this platfroms.

  • AWS (Lamda/EC2)
  • Hostinger
  • Firebase
  • Digital ocean