Frontend Development
Core Technologies
JavaScript, TypeScript, React.js, Next.js
Styling & UI
Tailwind CSS, shadcn/ui, CSS Modules, Figma
State Management
Redux, Redux Toolkit, Zustand, Context API
Available for opportunities
Mahabub Hossain
Full-StackDeveloper
Architect and deploy scalable web and mobile applications with 4+ years of expertise in React, Next.js, NestJS, and Native Android with Java.
Portfolio.tsx
import React, { useState } from 'react';
const Developer: React.FC = async () => {
name: 'Mahabub Hossain',
role: 'Full-Stack Developer',
stack: [
'React ⚛️', 'Next.js ▲',
'TypeScript 📘', 'NestJS 🦁',
'Node.js 🚀', 'Java ☕'
],
experience: '4+ years',
passion: '∞'
});
return (await buildAwesomeThings());
// Let's create something amazing together! 🚀mahabub@devportfolio:~
$
installing skills...
added 20+ packages in 4 years
$
[main 8a3f2c1] Ready to build amazing things
3 files changed, 100+ insertions(+)
$
⚛️React
▲Next.js
📘TypeScript
🦁NestJS
🚀Node.js
☕Java
About Me
I'm an accomplished full-stack developer with 4+ years of experience architecting and deploying scalable web and mobile applications. I specialize in the JavaScript/TypeScript ecosystem and Native Android development with Java, with deep expertise in system design, clean architecture, and optimizing complex databases. I'm passionate about writing maintainable code and mentoring teams to deliver high-performance enterprise solutions.
Technical Skills
Backend Development
Runtime & Frameworks
Node.js, NestJS, Express.js
API Development
RESTful APIs, GraphQL, gRPC, WebSocket
Mobile & Payment
Android (Java), React Native, Payment Gateways
Database & Caching
Databases
PostgreSQL, MySQL, MongoDB, Redis
Optimization
Query Optimization, Indexing, Caching Strategies
Data Management
Database Design, Performance Tuning
DevOps & Cloud
CI/CD & Automation
GitHub Actions, GitLab CI, Docker, PM2
Cloud Platforms
AWS (S3, EC2), Azure, OVH Cloud, Hetzner
Infrastructure
Nginx, SSH, VPS Management, Dokploy, SSL/TLS
Architecture & Design
Architecture Patterns
Clean Architecture, MVC, Microservices, Monorepo
Design Tools
Figma, UI/UX Prototyping
Best Practices
Design Patterns, Code Organization
Testing & Quality
Testing
UAT, TDD, L3 Testing
Compliance
ISO 8583 Compliance, Security Standards
Code Quality
Code Review, Documentation, Best Practices
Domain Expertise
Fintech & Banking
Payment processing, card management systems, transaction reconciliation, dispute management, POS terminal operations
Payment GatewayCard ManagementPOS SystemsTransaction Security
E-commerce
Online payment gateways, inventory management, product catalogs, secure transactions
Online PaymentsInventory SystemsProduct CatalogsSecure Checkout
Enterprise Systems
ERP solutions, POS systems, inventory & accounting, microservice architectures
ERP SolutionsMicroservicesAccounting SystemsBusiness Logic
Key Competencies
Full-Stack DevelopmentSystem DesignPerformance OptimizationCode ArchitectureTeam LeadershipProblem SolvingTechnical DocumentationAgile DevelopmentCross-functional CollaborationAPI DesignMobile DevelopmentDatabase Optimization
Experience
Software Engineer
IT Consultants PLC (Qcash)
Dhaka, Bangladesh • Feb 2021 – Present
- •Develop responsive, high-performance web applications using React.js and Next.js
- •Design scalable, reusable frontend components with clean, maintainable architecture
- •Build backend services and APIs ensuring secure, efficient data flow
- •Perform L3 testing for banking and fintech systems with ISO 8583 compliance
Support Engineer
IT Consultants PLC (Qcash)
Dhaka, Bangladesh • Feb 2016 – Jan 2021
- •Managed CMS (Card Management System) & TranzWare Online operations
- •Handled dispute management and transaction reconciliation
- •Performed UAT testing for Mobile Applications & Back-Office Systems
Education
Bachelor of Science
Fareast International University
Electrical and Electronic Engineering
Dhaka, Bangladesh
2015 – 2018
Diploma in Engineering
Barisal Polytechnic Institute
Electronics Engineering
Barishal, Bangladesh
2005 – 2009
Secondary School Certificate
Patarhat Muslim Secondary School
Science Group
Barishal, Bangladesh
2003 – 2005
Certificates
Meta Front-End Developer Certificate
Meta
NestJS Masterclass - NodeJS Framework
Udemy
Reactive Accelerator - Batch 1
Learn with Sumit
Featured Projects
Featured
Featured
Nayanagor Somity
Micro Credit Management System
ReactRedux ToolkitTypeScriptTailwind CSSNestJSPostgreSQLAG GridREST API
Blog & Articles
Implementing robust role-based access control (RBAC) patterns in NestJS applications to manage user permissions and secure endpoints effectively.
NestJSSecurityBackend
Medium Article
Complete guide on implementing file upload functionality in NestJS with MongoDB integration and AWS S3 storage for scalable applications.
NestJSMongoDBAWS S3
Dev Genius Article
Step-by-step integration of SSLCommerz payment gateway in NestJS e-commerce projects for secure online transactions.
NestJSPaymentE-commerce
Medium Article
Complete guide on containerizing and deploying React (Vite) + NestJS applications using Docker for production-ready deployments.
DockerReactNestJSDevOps
Medium Article
Learn how to implement Google Analytics 4 and Google Tag Manager in React and Next.js applications for comprehensive tracking and analytics.
AnalyticsReactNext.jsGTM
Medium Article
Complete guide on deploying full stack applications to production using Node.js, PM2 for process management, Nginx as reverse proxy, and free SSL certificates with Let's Encrypt.
Node.jsDevOpsNginxDeploymentPM2SSL
Medium Article
Complete Guide: Deploy React + NestJS on Ubuntu VPS with Docker, Nginx, PostgreSQL & Let's Encrypt SSL
Comprehensive deployment guide covering React and NestJS application deployment on Ubuntu VPS using Docker containers, Nginx reverse proxy, PostgreSQL database, and free SSL certificates.
ReactNestJSDockerDevOpsPostgreSQLNginxSSL
Dev Genius Article
Learn how to configure absolute imports in Vite projects to eliminate messy relative paths and improve code readability and maintainability.
ViteReactTypeScriptBest Practices
Dev Genius Article