90% of cross-platform apps fail before launch—not because the idea was bad, but because the codebase was a ticking time bomb.
If you are a founder or product leader, you’ve likely felt the anxiety of burning through capital, missing critical launch deadlines, and inheriting fragile, messy code that needs to be completely rewritten the moment you try to scale.
You aren't looking for a casual developer who just writes code. You are looking for an engineering partner who understands that code is an investment meant to drive business revenue.
I am a Senior Flutter Developer and Mobile Architect with over 5 years of experience delivering high-performance, enterprise-grade iOS and Android applications. My job is simple: I mitigate your technical risk, protect your budget, and help you launch a flawless product that scales seamlessly from Day 1.
Strategic Technical Solutions for Your Business Outcomes
Instead of guessing, I build using a battle-tested, corporate-grade stack designed for security, performance, and long-term maintainability:
Future-Proof Scalability (Clean Architecture): I strictly implement Clean Architecture patterns. This keeps the presentation, business logic, and data layers completely decoupled, meaning your app can grow infinitely without slowing down or breaking.
Flawless Performance (Robust State Management): By using industry-standard, predictable state management solutions, your application will handle high-load user interactions with zero lag, ensuring a premium user experience.
Faster Time-to-Market (Single-Codebase Efficiency): Leveraging the full power of Flutter and Dart, I deliver pixel-perfect native experiences for both iOS and Android simultaneously, slicing your development timeline and operational costs in half.
Proven Competence: Handling Complex Logic with Ease
I specialize in deeply technical, high-stakes application logic. Here are two real-world examples of how I transform complex requirements into streamlined software:
Case Study 1: Real-Time Machine Learning (Advanced OCR Scanner App)
Engineered a high-performance scanning mobile application integrating cutting-edge ML Kit text recognition APIs. Optimized the image processing pipeline to deliver instant, real-time text extraction with zero latency, proving capability in advanced device hardware integration.
Case Study 2: Multi-Role Enterprise Workflows (Poultry Farm Management System)
Designed and built a robust, end-to-end multi-platform management infrastructure. This system securely processes complex, multi-role user workflows and manages automated daily financial resets via an airtight accounting ledger system. If your app requires complex databases, offline data synchronization, or bulletproof security roles, I have already built it.
My Commitment to Your Venture
Zero Hand-Holding: Clear, proactive communication and structured weekly updates.
Clean, Auditable Code: Fully documented codebases ready for immediate handoff or team expansion.
Risk Mitigation: Strict focus on data integrity, offline capabilities, and secure local caching.
Ready to Scale Your Product Safely?
Let’s ensure your next milestone is a definitive success. Whether you are ready to build a bulletproof MVP to secure your next funding round or need to save a struggling project, I am here to execute.
Click the "Invite to Job" button in the top right corner, share a brief overview of your project, and let’s schedule a brief introductory strategy call.
Flutter
Mobile App Development
Android App Development
App Development
Java
JavaFX
Web Application
AI Development
API Development
Firebase Realtime Database
Web Design
iOS Development
Mobile App
Hybrid App Development
API Integration
AI App Development
WordPress Website
Desktop Application
Central Desktop Development
Android Studio
Lucas B.
Saverne, France
$40/hr
5.0
21 jobs
Welcome to my profile.
My name is Lucas and I am here to provide a bespoke service for professionals looking for a web and mobile developer. I specialise in the Flutter framework and cross platform development. I'm young, passionated and extremely hard working.
Let's build awesome projects together !
Flutter
Dart
Firebase
CSS
JavaScript
HTML5
PostgreSQL
Mobile App
API Integration
Julien G.
Les Rousses, France
$85/hr
5.0
1 jobs
Hey! I’m Julien — a mobile developer with 8 years of experience building apps people love to use.
I spent five years as co-founder of Revolt Games, where I built Neopolis, a real-world strategy game that grew to 5M players, raised $3M+, and was featured twice in Apple’s Best Games.
Now I work as a freelancer and building apps through my studio Appton, usually with my dog Shelby sleeping next to my desk 🐶.
What I bring:
• Strong mobile expertise (Flutter)
• Fast execution and clean architecture
• A product mindset (not just coding)
• Great communication & transparency
• Reliable delivery (startup founder discipline)
What I can do for you:
• Build your entire app (MVP to production)
• Improve UI/UX and animations
• Optimize performance
• Add features or refactor code
• Publish and manage store releases
• Work long-term as part of your team
If you’re looking for someone senior, fast, and easy to work with — I’d love to join your project.
Flutter
Firebase
Artificial Intelligence
Mobile App
Golang
Back-End Development
Web Development
Script
Scripting
Supabase
CI/CD
OpenAI API
Python
Project Management
Enzo R.
Bobigny, France
$25/hr
5.0
1 jobs
Expert Flutter developer with 4+ years building scalable mobile applications for iOS & Android. I deliver production-ready apps with optimized backends using Firebase, Supabase, and Node.js.
🚀 What I Offer:
• Flutter Mobile Development: High-performance cross-platform apps with smooth UX and optimized memory management
• Backend Architecture: Node.js (Nest.js/Express), Firebase, Supabase for real-time databases and scalable APIs
• Full Product Lifecycle: From UX design and development to App Store launch strategy
• Performance Optimization: Google Maps integration, ElasticSearch, large-scale data processing
💼 Recent Achievements:
✓ Built a social app featured on French TV (M6's Shark Tank) - handled traffic spikes during live broadcasts
✓ Developed AI-powered alarm app with Gemini API for personalized quiz generation
✓ Processed millions of data rows with Node.js/MongoDB/ElasticSearch at scale
✓ Created gamified productivity app with OpenAI visual task analysis
🎓 Master's in Software Architecture from Epitech Paris
🔧 Tech Stack:
Mobile: Flutter, Dart
Backend: Node.js, Nest.js, Express, Supabase, Firebase
Frontend: React.js, Vue.js
Databases: PostgreSQL, MySQL, MongoDB, ElasticSearch
I bring a "Product-Minded" approach - delivering not just code, but finished, market-ready products that scale. Whether you need a mobile app from scratch, backend optimization, or AI feature integration, I ensure technical excellence with maintainable code.
Available for part-time contracts and long-term collaborations. Fluent in English and French.
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