Full Stack Developer
Hi, I'm Md. Kamrujjaman Rahi.
I build fast, scalable web apps with clean architecture and real-time features.
I design and build fast, scalable web applications using React, Next.js, TypeScript, and Node.js. From database design to polished UI, I focus on clean architecture, real-time functionality, and production-ready code that solves real problems.
About Me
Full-stack developer who ships real products, not demos.
I'm Md. Kamrujjaman Rahi — a Software Developer from Bangladesh working across the MERN stack: React, Next.js, TypeScript, and Node.js. I enjoy turning ideas into production-ready products, from database design and REST APIs to AI and third-party API integrations, real-time features and a polished, responsive UI. I care about clean architecture, honest engineering, and building things that hold up under real usage.
Core Stack
React · Next.js · Node
TypeScript, Express, REST APIs, Socket.IO, MySQL/PostgreSQL.
Focus
Real-time & Scalable Apps
Clean architecture, strong UX, and production-ready code.
What I Can Build
Services
From polished interfaces to scalable backend systems, I build reliable digital products from idea to production.
Full-Stack Development
Build complete web applications using Next.js, React, Node.js, TypeScript and modern databases.
Frontend Development
Build responsive, accessible and interactive interfaces using Next.js, React, Tailwind CSS and Framer Motion.
Backend & API Development
Design secure REST APIs, authentication systems, database architecture and scalable backend services using Node.js, Express and Prisma/Mongoose.
AI & Third-Party API Integration
Integrate LLM chatbots and assistants (OpenAI, Claude, Gemini) and third-party services — payments, authentication, email, maps — into new or existing web apps.
SaaS & Dashboard Development
Build admin dashboards, SaaS applications, role-based systems, payment integrations and data-driven interfaces.
Website Redesign & Optimization
Modernize existing websites with responsive layouts, better UX, improved performance and modern frontend architecture.
Career Path
Work Experience
Roles I've taken on and what they taught me — tap a role to read the full story.
Selected Work
Featured Projects
Engaze — cloud-based restaurant POS & management platform
Engaze is a cloud-based restaurant management platform used by restaurants across Bangladesh for POS, online ordering, delivery and loyalty. I worked on the product as a junior developer at Headless Technologies, mainly on the POS side — order creation, order details, payment flows and dine-in/pickup/delivery handling — plus the inventory and product recipe modules. I also worked on the React Native mobile version alongside the web dashboard.
Healixity — healthcare expert marketplace
Healixity is a marketplace that connects healthcare experts with clients and companies. Clients post projects and review proposals, experts list consultations and apply to jobs, and companies post job listings under a subscription plan. I worked on it as a full-stack developer — profile and listing flows, proposal handling, in-platform messaging and the payment/review side.
Recipe Sharing Website
Authentic user can customizable his profiles, options to follow/unfollow other users. Recipe Submit, update, delete, and view recipes.Users can rate, comment, and upvote/downvote recipes.
Sports Booking website
Authentic user Book sports facilities with real time price calculation based on booking duration. Admins can add, update, delete, and view sports facilities. Users can create, view, and cancel bookings, while admins can manage all bookings. Check facility availability for specific time slots.
Tree House
This Project is Online Nursery Website. It allows user browse filter, sort and search for products, add the, to their cart. And also Payment Systems. Additionally There is admin section to manage products and category with CRUD operations
Drive Pulse
This is file sharing project. It's also team project. A Authentic User can uploaded, share, copy, download or rename any file easily . User can create folder (folder is nested), create file. If the file is .txt, go to TextEditor and easily write text and update his .txt file.
What I Work With
Skills & Expertise
Technologies and tools I use to build modern, scalable, and production-ready web applications.
JavaScript
Advanced
Study on MDN, freeCodeCamp, and practice by building interactive web pages.
Python
Intermediate
TypeScript
Advanced
Learn from the TypeScript documentation, use it in React or Node.js projects.
SQL
Advanced
My Journey
Education
A brief look at my academic path — from secondary school to university, building the foundation for a career in software development.
B.Sc (Bachelor of Science)
National University
Jan 2020 — Jun 2025
HSC (Higher Secondary Certificate)
Kabirhat Govt. College
Jun 2017 — Jun 2019
SSC (Secondary School Certificate)
Kabirhat Model High School
March 2017
Certifications
Certificates & Achievements
A collection of certifications and achievements that reflect my continuous learning and development journey.
Letter of Recommendation
A Symphony of Tranquility. Experience the perfect blend of relaxation and excitement.