Available for new projects

Hi, I'm MD Naimul Hassan

I build high-performance mobile applications with beautiful UI/UX. From idea to App Store, I craft polished cross-platform Flutter experiences that feel fast, look gorgeous, and scale with your business.

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5+
Years Experience
30+
Projects Shipped
20+
Happy Clients
MD Naimul Hassan
Flutter
Dart
Firebase
Next.js
Scroll
About Me

Crafting mobile experiences that feel like magic.

I'm a Flutter mobile app developer & software engineer with a passion for building products that are fast, accessible, and beautiful. I love turning complex problems into simple, delightful experiences.

Cross-platform Mobile Apps

Ship beautiful, native-feeling apps to iOS and Android from a single codebase.

Firebase Integration

Auth, Firestore, Storage, FCM, Crashlytics, Analytics — wired in cleanly.

REST API

Strongly typed clients with caching, retries, and offline-first patterns.

Clean Architecture

Layered, testable, and scalable codebases that grow with your team.

Performance Optimization

60fps interactions, fast startup, and lean builds — measured, not assumed.

UI/UX Implementation

Pixel-perfect translation of designs with delightful micro-interactions.

Skills

My toolbox

A curated stack honed across dozens of production apps — from the metal of native channels to the polish of motion design.

Mobile Development

  • Flutter
  • Dart
  • Firebase
  • REST API
  • State Management
  • Clean Architecture

Frontend

  • Next.js
  • React
  • Tailwind CSS
  • TypeScript

Backend & Database

  • Node.js
  • Express.js
  • MongoDB
  • MySQL

Tools

  • Git
  • GitHub
  • Figma
  • VS Code
Selected Work

Projects that ship

A handpicked selection of mobile apps I've designed and engineered — each crafted with attention to detail and a focus on delightful UX.

🛍️
Cross-platform • Flutter

ShopWave — E-commerce App

A modern, multi-vendor e-commerce experience with seamless checkout, animated product showcases, and personalized recommendations.

  • Stripe & in-app payments
  • Real-time order tracking
  • Dark/light theme
  • Wishlist & reviews
FlutterFirebaseStripeProvider
Live Demo Code
🍔
Mobile • Flutter & Firebase

FlavourGo — Food Delivery

On-demand food ordering with live courier tracking, animated cart, and smart restaurant discovery powered by location.

  • Live map tracking
  • Realtime order updates
  • Push notifications
  • Restaurant analytics
FlutterFirebaseGoogle MapsFCM
Live Demo Code
💬
Realtime • Flutter & Node.js

Pulse — Chat Application

End-to-end encrypted chat app with rich media, typing indicators, and beautifully animated bubbles.

  • 1:1 & group messaging
  • Voice notes
  • Media sharing
  • Encrypted at rest
FlutterSocket.ioNode.jsMongoDB
Live Demo Code
📅
Mobile • Flutter

BookEase — Booking App

Smart booking platform for hotels, salons, and services with calendar sync, instant confirmations, and reminders.

  • Calendar & reminders
  • In-app payments
  • Reviews & ratings
  • Admin dashboard
FlutterFirebaseREST APIRiverpod
Live Demo Code
💰
FinTech • Flutter

Coinly — Finance Tracker

Personal finance tracker with beautiful charts, smart budgets, and goal-based savings to help you build wealth.

  • Animated charts
  • Budgets & goals
  • Bill reminders
  • Cloud sync
Flutterfl_chartFirebaseBloc
Live Demo Code
Experience

A timeline of building

Years of shipping production-grade mobile apps for startups, agencies, and direct clients around the globe.

2024 — Present

Senior Flutter Developer

Independent / Freelance

  • Lead end-to-end mobile app delivery for international clients across e-commerce, fintech, and on-demand services.
  • Architect scalable Flutter apps with clean architecture, Riverpod/Bloc, and CI/CD on Codemagic.
  • Mentor junior developers and conduct code reviews to maintain a high quality bar.
2022 — 2024

Flutter Mobile App Developer

Agency Engagements

  • Shipped 15+ production apps with Firebase Auth, Firestore, FCM, and Cloud Functions.
  • Integrated REST APIs, Stripe payments, Google Maps, and analytics dashboards.
  • Improved cold-start times by 35% through tree-shaking, deferred loading, and asset optimization.
2020 — 2022

Software Engineer

Early Career

  • Built full-stack web apps with Next.js, Node.js, and MongoDB.
  • Designed reusable UI systems with Tailwind CSS and component-driven architecture.
  • Collaborated with cross-functional teams to ship features on tight timelines.
Services

What I do

End-to-end mobile product development — from research and design to engineering, launch, and post-launch optimization.

Flutter App Development

Production-ready iOS & Android apps with native performance, smooth animations, and clean architecture.

Learn more →

UI/UX Design

Pixel-perfect, on-brand mobile interfaces designed to delight users and drive conversion.

Learn more →

Firebase Integration

Auth, Firestore, Cloud Functions, FCM, and Analytics — wired into your app the right way.

Learn more →

API Integration

Robust REST & GraphQL integrations with strong types, retries, caching, and offline support.

Learn more →

App Optimization

Profile, debug, and tune your app for buttery 60fps performance, smaller builds, and faster startup.

Learn more →

Cross-platform Development

One codebase, every platform. Ship to iOS, Android, web, and desktop without compromise.

Learn more →
Testimonials

Words from clients

Trusted by founders and teams shipping production mobile apps to thousands of users.

“

Naimul delivered a Flutter app that exceeded our expectations. The animations and UX feel premium, and the codebase is clean and maintainable.

SK
Sarah K.
Product Manager, FinTech Startup
Contact

Let's build something great

Have a project in mind, an idea to validate, or a team to grow? Drop a message — I respond within 24 hours.

Email
developernaimul00@gmail.com
Connect
Availability
Open to freelance & full-time roles