AHSAN

The Full Stack Developer. That's Ahsan.

36+

Projects

3.5+

Years of experience

Ahsan Mahfuz — Full Stack MERN & Next.js Developer

Full StackMERN &Next.js.

36+

Projects

3.5+

Years of experience

The Full Stack Developer. That's Ahsan.

Working closely with your team to deliver web applications that merge clean architecture, technical excellence, and long-term value.

Start small grow big

About Me (&)My Journey

I started out inspecting gas lines in the field. Five years later I build the software companies run on — here is the whole route.

  1. 21

    Graduated 2021

    Bachelor of Science

    East West UniversityEducation

    Finished my degree with a 3.85 CGPA and a Magna Cum Laude award, then went straight into field work.

    CGPA
    3.85
    CGPA
    Award
    Magna Cum Laude
    Award
    • 21

      Jun 2021 — Dec 2022

      Operating Manager

      Titas Gas FieldProject based

      Ran line inspections in the field — verifying gas was flowing correctly and auditing connections for illegal tapping.

      In the field
      18 mo
      In the field
      • Field operations
      • Inspection
      • Reporting
    • 23

      Jan 2023 — Dec 2024

      Full Stack Developer

      Archiconnect LimitedRemote

      Supported a live product, shipped new features onto it, and built new products through to launch.

      Remote delivery
      2 yrs
      Remote delivery
      • Next.js
      • NestJS
      • TypeScript
    • 25

      Now

      Jan 2025 — Present

      Senior Full Stack Developer

      Betopia Group

      Leading delivery across a wide project load — around 27 shipped so far, with repeat five-star client reviews.

      Projects delivered
      27+
      Projects delivered
      Client reviews
      5★
      Client reviews
      • Next.js
      • React
      • Node.js
      • Express
      • MongoDB

    Hello! I'm Ahsan Mahfuz, a Senior Full Stack Developer at Betopia Group, specializing in modern JavaScript technologies.

    I have professional experience building scalable web applications using React.js, Next.js, Node.js, Express.js, MongoDB, PostgreSQL, TypeScript, and Tailwind CSS.

    I enjoy solving complex business problems through software. Whether it's creating enterprise dashboards, SaaS products, AI integrations, eCommerce platforms, or real-time tracking systems, I always focus on performance, maintainability, and user experience.

    I continuously improve my skills by solving algorithmic problems and learning modern backend architectures like NestJS and cloud deployment platforms.

    Name
    Ahsan Mahfuz
    Location
    Dhaka, Bangladesh
    Experience
    3.5+ years, 36+ projects
    Education
    BSc, East West University (2021)
    Current role
    Senior Full Stack Developer, Betopia Group
    Specialization
    MERN Stack & Next.js
    Languages
    English, Bengali

    Stack

    The Stack
    I Build With

    Grouped by where each tool sits in the stack — frontend through deployment.

    Frontend

    • React.js
    • Next.js
    • TypeScript
    • JavaScript (ES6+)
    • Tailwind CSS
    • HTML5
    • CSS3
    • Redux Toolkit
    • React Query

    Backend

    • Node.js
    • Express.js
    • NestJS
    • REST API
    • JWT Authentication
    • Socket.io

    Database

    • MongoDB
    • PostgreSQL
    • Mongoose
    • Prisma
    • TypeORM

    Cloud & DevOps

    • Vercel
    • Railway
    • AWS (Basic)
    • PM2
    • Git
    • GitHub

    Tools

    • Postman
    • VS Code
    • Figma
    • Stripe API
    • Cloudinary

    WhatYou Get?

    Capabilities overview

    Cleancode,securebackendsandscalablearchitecturecombined-turningyourvisionintoaproductthatholdsupinproduction.

    01

    Clean Code

    Maintainable and scalable code following best practices.

    02

    Responsive Design

    Pixel-perfect responsive layouts across all devices.

    03

    Fast Performance

    Optimized applications with excellent loading speed.

    04

    Secure Backend

    Authentication, authorization, and secure API architecture.

    05

    SEO Friendly

    Next.js applications optimized for search engines.

    06

    Scalable Architecture

    Applications designed for future growth.

    07

    API Integration

    Stripe, REST APIs, AI services, Google APIs and third-party integrations.

    08

    Long-Term Support

    Reliable maintenance and feature enhancements after delivery.

    Services

    SolutionsThat Deliver

    Same quality, same attention to detail. The only difference is the size of the project and what you need right now.

    Full Stack Web Development

    Complete web application development from frontend to backend.

    Next.js Development

    Modern SEO-friendly applications using the latest Next.js.

    React Development

    Interactive and scalable frontend applications.

    Backend Development

    REST APIs using Node.js, Express.js and NestJS.

    Dashboard Development

    Admin panels, CRM, ERP, SaaS dashboards and analytics systems.

    Database Design

    MongoDB and PostgreSQL database architecture.

    API Integration

    Connecting your product to the services it depends on.

    • Stripe
    • Firebase
    • Cloudinary
    • Google APIs
    • Third-party APIs

    Website Optimization

    Making an existing codebase faster and easier to work in.

    • Performance optimization
    • SEO improvements
    • Bug fixing
    • Code refactoring

    Testimonials

    From PeopleI’ve Worked with

    • Trusted long-term collaborator.

      Ahsan delivered exactly what we needed. Communication was excellent, and the quality of the code exceeded expectations.

      Marcus Whitfield

      USA

    • Strong React and Next.js expertise.

      Very professional developer with strong React and Next.js expertise. Highly recommended.

      Dana Reyes

      USA

    • Fast, clean, dependable.

      Fast delivery, clean architecture, and excellent problem-solving skills.

      Trevor Nolan

      USA

    • Handled our whole backend.

      Took our API from a prototype to something we could actually run in production — auth, roles, payments and all the edge cases in between.

      Imogen Blake

      UK

    • Understood the business, not just the ticket.

      Asked the right questions before writing anything, and more than once suggested a simpler approach than the one we came in with.

      Callum Hartley

      UK

    • Real-time features that just worked.

      Live tracking and instant updates across the dashboard, stable under load from day one. No firefighting after launch.

      Yuki Tanaka

      Japan

    • Easy to work with, start to finish.

      Clear updates, honest timelines, and code the next developer can pick up without a handover call.

      Kenji Morita

      Japan

    36+

    Completed Projects

    23+

    Happy Clients

    3.5+

    Years of Experience

    100%

    Project Commitment

    FAQ

    Got anyquestions?

    What technologies do you specialize in?

    I specialize in React.js, Next.js, Node.js, Express.js, MongoDB, PostgreSQL, TypeScript, Tailwind CSS, and modern full-stack web development.

    Do you build complete web applications?

    Yes. I develop complete full-stack solutions including frontend, backend, database, authentication, deployment, and third-party integrations.

    Can you work on existing projects?

    Absolutely. I can improve existing applications, fix bugs, optimize performance, or add new features.

    Do you provide deployment support?

    Yes. I can deploy applications on Vercel, Railway, and cloud servers while configuring production environments.

    Are your applications responsive?

    Yes. Every application is optimized for desktop, tablet, and mobile devices.

    Do you provide long-term maintenance?

    Yes. I provide ongoing maintenance, feature updates, performance improvements, and technical support after project completion.

    Contact

    Let's buildsomething solidFrom First Committo Launch

    Tell me what you're working on. I'll come back with how I'd approach it, what it takes, and how long it runs.

    Ahsan Mahfuz

    Ahsan Mahfuz
    Dhaka, Bangladesh