AVAILABLE FOR FREELANCE & SELECT ROLES

I build powerful web products that scale.

Full-stack MERN developer building fast, secure, and scalable web applications with React, Next.js, Node.js, and MongoDB.

//BUILDING PRODUCTION WEB EXPERIENCES WITH
MongoDBExpress.jsReact 19Next.js 16Node.jsTypeScript
murshedkoli
murshedkoli
Full Stack Developer
FULL-STACK
//TECHNOLOGIES I WORK WITH
MongoDB· Database
Express.js· Backend
React 19· Frontend
Next.js 16· Full-Stack
Node.js· Runtime
TypeScript· Language
Prisma ORM· Data Layer
PostgreSQL· Relational DB
Tailwind CSS· Styling
Docker· Container
Redis· Cache
REST & GraphQL· APIs
JWT & NextAuth· Security
MongoDB· Database
Express.js· Backend
React 19· Frontend
Next.js 16· Full-Stack
Node.js· Runtime
TypeScript· Language
Prisma ORM· Data Layer
PostgreSQL· Relational DB
Tailwind CSS· Styling
Docker· Container
Redis· Cache
REST & GraphQL· APIs
JWT & NextAuth· Security
01/ABOUT
FULL-STACK PROFILE

I turn ideas into reliable digital products — from database architecture and APIs to polished responsive interfaces.

Passionate web developer with expertise in modern technologies and AI-powered experiences.

Whether crafting high-throughput operational dashboards, architecting multi-tenant SaaS platforms, or optimizing MongoDB indexing pipelines, I prioritize reliability, maintainability, and clean code that teams love to build upon.

SPECIALIZED ENGINEERING DISCIPLINES
Full-Stack Web EngineeringDashboard & Analytics SystemsREST & Scalable API DesignSaaS Architecture & Multi-TenancySecure Authentication & RBACMongoDB Modeling & Query OptimizationAI Capabilities & Workflow Automation

Selected work

04 SHOWCASES

Some products and systems I’ve recently designed and built.

KFlix / KPlay — Modern Video Streaming & Content Player
android

KFlix / KPlay — Modern Video Streaming & Content Player

A high-performance media streaming and video playback web application built with Next.js, React, Google APIs, and MongoDB.

Next.jsTypeScriptTailwind CSSNode.js
PayChat — FinTech Messaging & P2P Micro-Payment Android App
android

PayChat — FinTech Messaging & P2P Micro-Payment Android App

A high-performance native Android conversational banking and peer-to-peer micro-payment application. Combines encrypted real-time chat with instant financial t…

KotlinTypeScriptJavaScriptFirebase
Smart Union
webapp
LIVE

Smart Union

Smart Management and Tracking system

ReactGoogle GeminiMongodbVercel
SpeakUp — IELTS Reading Preparation & Academic Assessment Suite
android

SpeakUp — IELTS Reading Preparation & Academic Assessment Suite

An exam preparation ecosystem designed specifically for IELTS Academic & General Reading modules. Includes a cross-platform mobile practice application (ieltsr…

DartTypeScriptShellPython
VIEW ALL ARCHIVES

What I build

ENGINEERING CAPABILITIES

Engineering complete, resilient web products from clean database architecture to high-fidelity frontend systems.

REACT 19 · NEXT.js · TS

Frontend Engineering

Responsive, accessible, and performance-focused web interfaces with fluid micro-interactions, clean component hierarchies, and strict TypeScript contracts.

NODE.js · EXPRESS · REST

Backend Systems & APIs

Scalable server architectures, RESTful API design, background jobs, webhook handlers, and robust JWT/OAuth authentication systems.

MONGODB · PRISMA · REDIS

Database Architecture

Schema modeling, complex aggregation pipelines, efficient compound indexing, transactional integrity, and low-latency cache layers.

ANALYTICS · RBAC · AUDIT

Admin & Operational Dashboards

High-utility internal tools, multi-role access controls, data visualizations, export pipelines, and administrative workflow management.

MULTI-TENANT · BILLING

SaaS Architecture & Platforms

Production-ready SaaS foundations with organization partitioning, customer lifecycle flows, subscription billing, and automated email services.

GEMINI · LLM WORKFLOWS

AI & Pipeline Integration

Embedding intelligence into web apps: generative content pipelines, document analysis, automated summaries, and streaming API endpoints.

How I work

ENGINEERING PROCESS

A disciplined, end-to-end software development lifecycle designed to deliver stable production systems on time.

01

Discover & Scope

Clarifying Core Problems

Unpacking business logic, user personas, performance requirements, and technical constraints before writing code.

PHASE 01
02

Architect & Design

Schemas & API Contracts

Designing MongoDB collections, relational boundaries, RESTful endpoints, auth flows, and responsive UI structures.

PHASE 02
03

Build & Integrate

Production TypeScript

Implementing maintainable Next.js and Node.js code with clean abstractions, modular components, and type safety.

PHASE 03
04

Verify & Harden

Edge Cases & Security

Rigorous testing for accessibility, input validation, role-based protection, API rate limits, and lighthouse performance.

PHASE 04
05

Ship & Iterate

Deployment & Telemetry

Zero-downtime deployment, CDN edge caching, live monitoring, database indexing audits, and seamless feature evolution.

PHASE 05
CURRENTLY TAKING ON SELECT PROJECTS

Have an idea?
Let's turn it into a real product.

Tell me what you're building and I'll help turn it into a fast, scalable, and polished application with the MERN stack.

Start a ProjectEmail Directly
// INITIATE CONTACT

Let's build something remarkable.

Have a project in mind, an engineering role, or a challenging problem to solve? Send a message directly.

murshedkoli@gmail.com