muhammad
Haroon
Flutter Developer · Available Worldwide
About Me
Turning ideas into beautiful apps
I'm a passionate Flutter developer with 2+ years of experience crafting high-performance mobile applications. I specialize in building apps that feel native, fast, and beautiful on both iOS and Android.
My philosophy: clean code is not optional. Every project I ship uses proper state management, clean architecture, and thorough testing — so your app scales as your business does.
10+ Apps Built
Performance First
Clean Architecture
Client Obsessed
My Expertise
Skills & Stack
What I Do
Services
From a single screen to a full production app — I deliver quality at every scale.
Flutter App Development
End-to-end cross-platform mobile apps for iOS & Android with pixel-perfect UI and production-ready architecture.
- iOS & Android from a single codebase
- Custom animations & micro-interactions
- Offline-first with local DB (Hive/Drift)
Payment Gateway Integration
Secure, seamless payment flows integrated into your Flutter app — from checkout to confirmation.
- Stripe, PayPal, Razorpay & more
- In-app purchases (iOS & Android)
- Subscription billing & auto-renewal
App Store & Play Store Deployment
Full submission handling — I take your app from build to published, including all store requirements.
- App Store (iOS) full submission
- Google Play Store deployment
- App signing, certificates & provisioning
Performance & Code Optimization
Slow app? I audit, profile, and refactor your Flutter codebase for maximum speed and clean architecture.
- Frame rate & jank profiling
- Memory leak detection & fix
- Rebuild optimization & lazy loading
Bug Fixing & Maintenance
Ongoing support to keep your app stable, crash-free, and compatible with the latest OS updates.
- Crash & ANR diagnosis
- Firebase Crashlytics integration
- OS & SDK version compatibility
Firebase & Backend Integration
Scalable backend setup using Firebase or REST APIs — auth, real-time data, storage, and notifications.
- Authentication (Social, OTP, Biometric)
- Firestore real-time sync
- Push notifications (FCM)
UI/UX Design & Prototyping
Beautiful, intuitive designs that users love — from wireframes to high-fidelity Figma prototypes.
- Figma wireframes & prototypes
- Design system & component library
- User flow & screen architecture
Clean Code & Refactoring Expert
Messy codebase? I transform spaghetti code into clean, readable, and maintainable Flutter architecture.
- Full codebase audit & review
- Refactor to clean architecture
- Remove dead code & tech debt
Featured Projects
A selection of apps I've built — from concept and design through to App Store/Play Store deployment.
Heard Social — Voice Platform
Voice-only social media app to connect authentically through real audio conversations — no typing, just real voices.
Click to view details →
Workbook Generator — EdTech
Interactive math workbook app for kids — solve worksheets, track scores, and generate custom PDFs in minutes.
Click to view details →
VeneAlerta — SOS Alert App
Emergency SOS app that connects you instantly with nearby security teams — share your location, incident type, and details in seconds.
Click to view details →
Stadionica — Tap-to-Earn Stadium Game
A tap-based Flutter game where users build and upgrade their own stadium — earn coins, grow fans, and boost income.
Click to view details →
Travel Safety — Family Location App
Real-time family safety app with live location tracking, safe zone alerts, and secure messaging — even in the background.
Click to view details →
My Development Process
A proven 4-step approach that keeps you informed and in control throughout the entire project.
Discovery
We start with a deep-dive call to understand your goals, users, and technical requirements.
Design
I create high-fidelity wireframes and prototypes in Figma so you see the app before a line of code is written.
Development
Agile sprints with weekly demos. Clean architecture, tested code, and continuous delivery.
Launch & Support
App Store/Play Store submission handled for you, plus 30-day post-launch support included.
Testimonials
What Clients Say
Get In Touch
Let's Work Together
Usually responds within 2–4 hours
haroon.dev767@gmail.com
Chat on WhatsApp
Upwork
upwork.com/fl/haroon
Fiverr
fiverr.com/haroon