Andre H.
Senior Flutter Engineer | Full-Stack Mobile
Did you know that the success of your application is highly correlated with how maintainable its codebase is? The ability to adapt quickly while keeping maintenance costs low will ultimately determine how long your app thrives. You need someone experienced and reliable. The good news? You've just found the right person. With 7+ years of experience and over 12,000 hours on Upwork, my focus has always been simple: delivering clean, scalable architectures and native-grade user experiences that grow alongside your business. I'm looking for long-term contract opportunities with enterprise clients and startups. My Areas of Expertise - Flutter & Software Architecture - Enterprise State Management (Riverpod, BLoC, MobX) - Clean Architecture, Unit & Widget Testing - Custom UI/UX, Complex Animations & Pixel-Perfect Design Implementation (Figma, Lovable, Sketch, Adobe XD) - Platform Channels & Native Bridge Integration (iOS / Android) - Kotlin & Swift AI & Modern Backend Stack - Custom AI Agents & LLM Integrations - Firebase & Supabase Specialist - Database Design & APIs (PostgreSQL, REST & GraphQL) Monetization & App Lifecycle - App Monetization & In-App Purchases (RevenueCat, AdMob) - Analytics & Stability (Crashlytics, Google Analytics, Push Notifications) - End-to-End App Store & Google Play Publishing, Deployment & CI/CD Whether you need a flagship MVP built from scratch, complex features integrated into an existing codebase, or a modern AI-driven mobile experience, I'm ready to help you serve your customers. Welcome! Let's have a chat. :)
Earnings and projects
Last 6 months ÷ 6
Last 6 months: $51k
Billed in all: $881,020$881k
$13k in the last 6 months
Across 40 contracts
Earnings, last 30 days
Skill rankings: #1 in 2 skills of 20
Rarest: top 0.31% in Map Integration, of 327. Ranked by MRR among everyone on Upwork with the skill.
- Map Integration327 freelancers · 🇧🇷 #1Top 0.31%🇧🇷#1 of 1
- JetBrains IntelliJ IDEA43 freelancers · 🇧🇷 #1Top 2%🇧🇷#1 of 1
- Payment Functionality214 freelancers · 🇧🇷 #1Top 0.93%🇧🇷#1 of 2
- Test-Driven Development172 freelancers · 🇧🇷 #1Top 2%🇧🇷#1 of 5
- #4Chat & Messaging Software924 freelancers · 🇧🇷 #1Top 0.43%🇧🇷#1 of 5
- #4Mobx103 freelancers · 🇧🇷 #2Top 4%🇧🇷#2 of 3
- #5UI Animation1,090 freelancers · 🇧🇷 #1Top 0.46%🇧🇷#1 of 10
- #12Dart2,324 freelancers · 🇧🇷 #2Top 0.52%🇧🇷#2 of 22