Building production-grade mobile applications that users love
I'm a Senior Software Engineer with 5+ years of hands-on experience building scalable, high-performance mobile applications. I've shipped 8+ production apps across fintech, health tech, and productivity sectors, serving 10,000+ active users globally.
What sets me apart:
- 💯 100% Job Success Score on Upwork with Top Rated Plus badge
- 🌍 Remote-first professional with US, EU, and Middle Eastern clients
- 📱 Built apps generating real revenue with zero marketing budget
- 🎯 Focus on business impact, not just clean code
- 🤝 Track record of MVPs that secure funding and products that scale
I don't just write code. I build solutions that solve real problems, drive user engagement, and deliver measurable business results.
🤖 WalletGPT - AI-Powered Expense Tracker
Founder & Lead Developer | Currently Active
- 📊 10,000+ downloads across iOS and Android
- ⭐ 4.3-star rating with organic growth
- 💰 Generating 3-figure monthly recurring revenue
- 🌐 Serves users in 11 languages globally
- 🎤 Voice-first expense tracking using OpenAI GPT-4
- 📈 Built with Flutter, Firebase, TypeScript, RevenueCat
Impact: Solved my own problem, turned it into a profitable SaaS serving users worldwide.
💳 SendCrypto - Crypto Wallet
Frontend Engineer | SendTech Innovations Ltd, Cyprus
- ⚡ Improved UI rendering performance by 35%
- 🐛 Reduced app crash rate by 40%
- 🔐 Integrated Fireblocks iOS native SDK for custody-grade security
- 💬 Built in-app chat and debit card ordering flow
- 📦 Implemented third-party crypto purchase via iFrames
Impact: Transformed a buggy app into a smooth, reliable crypto wallet trusted by users.
🥤 Dr. Juice - Natural Fruit Juice
Full-Stack Lead | Client Project
- 📱 Designed and developed iOS + Android apps from scratch
- 💻 Built React admin panel for operations management
- ⚙️ Developed serverless backend with Firebase Cloud Functions
- 💳 Integrated Stripe, Apple Pay, Google Pay payment systems
- 📦 Implemented loyalty programs and checkout flows
Impact: Delivered complete end-to-end solution enabling a health brand to launch digitally.
Technical Lead & Architect | Remote via Upwork
- 🏗️ Architected Flutter Web platform with Web3 integration from ground up
- 🔗 Built MetaMask connection and smart contract interactions
- 💰 Delivered investor-ready MVP in 8 weeks
- 🎯 Directly enabled early-stage funding raise
- 👥 Hired and managed team of 3 Flutter developers
Impact: Created the technical foundation that secured funding for a blockchain startup.
🚢 ShipMoney - Fintech for Maritime
Software Engineer | Walturn LLC, New York
- 💸 Built bank transfer and card-to-card payment interfaces
- 👥 Served 2,000+ active users in shipping industry
- 🧪 Achieved 100% code coverage through refactoring
- 🤖 Implemented AI-powered routine generation
💰 Frich - Social Savings App
Associate Software Engineer | UtoR Digital
- 🎮 Built gamification features for Gen-Z savings challenges
- 👥 Implemented friend challenges and reward systems
- 🔥 Firebase backend integration
State Management: Riverpod • BLoC • Provider • MVVM + Repository Pattern
Architecture: Clean Architecture • Feature-First • Modular Design
Testing: Unit Testing • Widget Testing • Integration Testing • 100% Coverage Experience
Frontend: React.js • Next.js • HTML/CSS • JavaScript • Responsive Design
Backend: Node.js • Express.js • RESTful APIs • GraphQL
Serverless: Firebase Cloud Functions • AWS Lambda
Databases: Firebase Firestore • Supabase • PostgreSQL • DynamoDB
Cloud Platforms: AWS (EC2, S3, Lambda, RDS) • Google Cloud (Cloud Functions) • Firebase
Real-time: WebSockets • Firebase Realtime Database
AI & ML: OpenAI APIs • GPT-4 Integration • LLM Prompt Engineering
Payments: Stripe • Apple Pay • Google Pay • In-App Purchases • RevenueCat
Blockchain: Web3.js • MetaMask • Smart Contracts • Fireblocks SDK
Other: Native SDK Integration • Method Channels • Platform-Specific Code
Version Control: Git • GitHub • GitLab
CI/CD: GitHub Actions • Codemagic • Firebase App Distribution
Tools: VS Code • Android Studio • Xcode • Postman • Figma
✅ Speed to Market - Ship MVPs that secure funding and validate ideas
✅ Full Ownership - Handle everything from architecture to App Store deployment
✅ User-Centric - Build features users actually want, not just what's trendy
✅ Business Focus - Understand metrics, conversions, and user retention
✅ Performance Optimization - 35% faster rendering, 40% fewer crashes
✅ Code Quality - 100% test coverage, clean architecture, maintainable code
✅ Team Leadership - Hire, onboard, and mentor developers
✅ Technical Decisions - Architect scalable solutions that grow with your business
✅ Reliable Delivery - 100% job success, consistent quality
✅ Clear Communication - Daily updates, proactive problem-solving
✅ Remote Collaboration - 5+ years working across timezones
✅ End-to-End Solutions - Mobile, web, backend, DevOps
"Amazing flutter dev and a great guy to work with, highly recommended!!"
— Anthony Broderick, CEO at Lucid Labs 🇬🇧
"Working with Afaq on our Flutter iOS app was a pleasure. Punctual, professional, and proactive, he consistently met deadlines and exceeded expectations. His valuable recommendations improved the project significantly."
— Bimal Hetti Arachchilage 🇦🇺
"Great guy, honest and works quickly!"
— Richard Ratevosyan, Cookie Delivery Services 🇺🇸
"Afaq is a great Flutter developer that finished the job in a very short time. Very recommendable for any flutter project."
— Calendar App Client 🇪🇸
"Very nice contact. great understanding and very good work. I am looking forward to a follow-up order."
— Jeff Kantine 🇩🇪
📋 View All Reviews on Upwork →
Since most of my production work is under NDA, I share:
🧪 Demo Projects - Simplified versions showing patterns I use in production
📝 Code Samples - Real-world solutions to common Flutter challenges
🔧 Utilities & Helpers - Reusable code I've built over the years
💡 Architectural Approaches - How I structure scalable Flutter apps
📖 Technical Guides - Learnings from integrating complex systems
Check my pinned repositories for Flutter best practices and patterns I use daily.
- 🎨 Advanced Flutter Animations - Bringing UIs to life
- 🧠 AI Integration Patterns - Beyond basic API calls
- 🌐 Flutter Web Optimization - Performance at scale
- 🔐 Advanced Security - Protecting user data in mobile apps
- 📊 Data Visualization - Making complex data beautiful
5+ Years of Professional Experience
8+ Production Apps Shipped
10K+ Active Users Across My Apps
100% Upwork Job Success Score
11 Languages Supported in WalletGPT
I'm always interested in:
- 🚀 Innovative Startups building products that matter
- 💼 Product Companies shipping quality software at scale
- 🌍 Remote Opportunities with forward-thinking teams
- 🤝 Technical Leadership roles where I can mentor and grow
- 💡 Full-Stack Projects combining mobile, web, and backend
For Business Inquiries:
📧 Email: afaq.ahmed7910@gmail.com
💼 LinkedIn: linkedin.com/in/afaq-ahmed-84b988128
🌐 Portfolio: afaq-ahmed.netlify.app
📅 Schedule a Call: Book 30-min consultation
For Quick Questions:
💬 Upwork: Top Rated Plus Profile
🔗 Live Apps I've Built:
- WalletGPT - AI Expense Tracker
- SendCrypto - Crypto Wallet
- Dr. Juice - Health Ordering
- Lightbridge - Community App
- ShipMoney - Fintech
- Frich - Social Savings
