Hire the Best Flutter Developers
in Tunisia

— AI-powered mobile apps (Flutter + OpenAI / Claude / Gemini) Chat assistants, AI coaching apps, LLM-integrated workflows, real-time AI features inside existing apps — Enterprise XR & Unity simulations Training simulations, serious games, AR/VR prototypes for industrial and medical clients, Photon multiplayer, cross-platform deployment — Flutter apps from MVP to App Store Full-cycle development: architecture, Firebase backend, payment integration, App Store + Play Store submission Why clients work with me: → I've maintained a $10K+ long-term engagement for a single client — I'm not a one-project developer → Production-ready code with clean architecture, not copy-paste tutorials → I flag problems before they become blockers, not after → Fast response, honest timelines, zero scope surprises Tech stack: Flutter · Dart · Unity · C# · Firebase · Node.js · OpenAI API · Claude API · Gemini · REST APIs · Photon · AR Foundation · XR Toolkit · .NET · Angular · React · Figma Flutter developer | Flutter app developer | AI mobile app developer | AI app development | Flutter Firebase | Flutter OpenAI integration | Flutter Claude AI | Flutter Gemini | Unity developer | Unity XR developer | Unity AR developer | Enterprise XR simulation | Unity training simulation | Serious game developer | Flutter iOS Android | Mobile app developer | Flutter MVP developer | LLM integration developer | AI chatbot mobile app | Flutter Node.js | Flutter full stack | Unity C# developer | Photon Unity multiplayer | Flutter in-app purchases | App Store submission Flutter | Flutter bug fix | Unity bug fix | Flutter web app | Flutter desktop | AR Foundation Unity | XR Toolkit Unity | Firebase Flutter | Flutter REST API | AI agent mobile app | Flutter Riverpod | Flutter BLoC | Flutter clean architecture

👉𝐌𝐨𝐬𝐭 𝐚𝐩𝐩𝐬 𝐟𝐚𝐢𝐥 𝐧𝐨𝐭 𝐛𝐞𝐜𝐚𝐮𝐬𝐞 𝐨𝐟 𝐛𝐚𝐝 𝐢𝐝𝐞𝐚𝐬 𝐛𝐮𝐭 𝐛𝐞𝐜𝐚𝐮𝐬𝐞 𝐭𝐡𝐞𝐲’𝐫𝐞 𝐩𝐨𝐨𝐫𝐥𝐲 𝐛𝐮𝐢𝐥𝐭, 𝐡𝐚𝐫𝐝 𝐭𝐨 𝐬𝐜𝐚𝐥𝐞, 𝐨𝐫 𝐝𝐢𝐬𝐜𝐨𝐧𝐧𝐞𝐜𝐭𝐞𝐝 𝐟𝐫𝐨𝐦 𝐫𝐞𝐚𝐥 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬 𝐧𝐞𝐞𝐝𝐬. 𝐈 𝐡𝐞𝐥𝐩 𝐛𝐮𝐬𝐢𝐧𝐞𝐬𝐬𝐞𝐬 𝐚𝐯𝐨𝐢𝐝 𝐭𝐡𝐚𝐭. Hi, I’m Seifeddine el Behi, a Senior Flutter Engineer & Mobile Full-Stack Developer with 5+ years of experience building production-ready apps that scale and last. I specialize in Flutter + Node.js, delivering complete mobile products from architecture and UI decisions to backend APIs and long-term maintenance. I don’t just ship features; I build stable, scalable products that stay in production. 𝐖𝐡𝐚𝐭 𝐈 𝐛𝐫𝐢𝐧𝐠 𝐭𝐨 𝐭𝐡𝐞 𝐭𝐚𝐛𝐥𝐞: 📱 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭: iOS, Android, Web & Desktop (clean architecture, scalable state management) 🔗𝐌𝐨𝐛𝐢𝐥𝐞 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤: Flutter + Node.js (REST APIs, auth, payments, dashboards) 🧠 𝐏𝐫𝐨𝐝𝐮𝐜𝐭-𝐅𝐨𝐜𝐮𝐬𝐞𝐝 𝐄𝐧𝐠𝐢𝐧𝐞𝐞𝐫𝐢𝐧𝐠: technical decisions aligned with business goals 🎨 𝐔𝐈/𝐔𝐗 𝐰𝐢𝐭𝐡 𝐅𝐢𝐠𝐦𝐚: when needed, to ensure usability and consistency 𝐏𝐫𝐨𝐯𝐞𝐧 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞: ✅ 𝟖+ 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 🇩🇪 𝐖𝐨𝐫𝐤𝐞𝐝 𝐰𝐢𝐭𝐡 𝐆𝐞𝐫𝐦𝐚𝐧 𝐚𝐧𝐝 𝐨𝐭𝐡𝐞𝐫 𝐜𝐨𝐦𝐩𝐚𝐧𝐢𝐞𝐬 𝐚𝐧𝐝 𝐬𝐭𝐚𝐫𝐭𝐮𝐩𝐬 🚀 𝐀𝐩𝐩𝐬 𝐬𝐭𝐢𝐥𝐥 𝐥𝐢𝐯𝐞 𝐚𝐧𝐝 𝐚𝐜𝐭𝐢𝐯𝐞𝐥𝐲 𝐦𝐚𝐢𝐧𝐭𝐚𝐢𝐧𝐞𝐝 𝐢𝐧 𝐩𝐫𝐨𝐝𝐮𝐜𝐭𝐢𝐨𝐧 🤝 𝐒𝐭𝐫𝐨𝐧𝐠 𝐛𝐚𝐜𝐤𝐠𝐫𝐨𝐮𝐧𝐝 𝐢𝐧 𝐥𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐜𝐨𝐧𝐭𝐫𝐚𝐜𝐭𝐬 𝐚𝐧𝐝 𝐨𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩-𝐝𝐫𝐢𝐯𝐞𝐧 𝐜𝐨𝐥𝐥𝐚𝐛𝐨𝐫𝐚𝐭𝐢𝐨𝐧 I’ve built apps across eCommerce, events, fashion, insurance, education, food, and industrial platforms, and I currently run my own consulting company working on multiple products. 𝐖𝐡𝐲 𝐜𝐥𝐢𝐞𝐧𝐭𝐬 𝐰𝐨𝐫𝐤 𝐰𝐢𝐭𝐡 𝐦𝐞: • 𝐂𝐥𝐞𝐚𝐫 𝐜𝐨𝐦𝐦𝐮𝐧𝐢𝐜𝐚𝐭𝐢𝐨𝐧 & 𝐫𝐞𝐚𝐥𝐢𝐬𝐭𝐢𝐜 𝐭𝐢𝐦𝐞𝐥𝐢𝐧𝐞𝐬 • 𝐒𝐞𝐧𝐢𝐨𝐫-𝐥𝐞𝐯𝐞𝐥 𝐭𝐞𝐜𝐡𝐧𝐢𝐜𝐚𝐥 𝐨𝐰𝐧𝐞𝐫𝐬𝐡𝐢𝐩 • 𝐂𝐥𝐞𝐚𝐧, 𝐦𝐚𝐢𝐧𝐭𝐚𝐢𝐧𝐚𝐛𝐥𝐞, 𝐬𝐜𝐚𝐥𝐚𝐛𝐥𝐞 𝐜𝐨𝐝𝐞 • 𝐋𝐨𝐧𝐠-𝐭𝐞𝐫𝐦 𝐦𝐢𝐧𝐝𝐬𝐞𝐭 (𝐧𝐨𝐭 “𝐝𝐞𝐥𝐢𝐯𝐞𝐫 𝐚𝐧𝐝 𝐝𝐢𝐬𝐚𝐩𝐩𝐞𝐚𝐫”) If you’re looking for a senior Flutter expert who thinks like a product engineer, not just a coder, let’s talk. 👉 𝐒𝐞𝐧𝐝 𝐦𝐞 𝐚 𝐦𝐞𝐬𝐬𝐚𝐠𝐞 𝐚𝐧𝐝 𝐥𝐞𝐭’𝐬 𝐬𝐞𝐞 𝐡𝐨𝐰 𝐈 𝐜𝐚𝐧 𝐡𝐞𝐥𝐩 𝐲𝐨𝐮𝐫 𝐩𝐫𝐨𝐝𝐮𝐜𝐭 𝐬𝐮𝐜𝐜𝐞𝐞𝐝.

I build production-grade systems that analyze massive datasets and automate workflows. Proven Impact: ✔️ HomeSage.ai: Engineered Django backend & MCP servers analyzing 150M+ property records for valuation. ✔️ Data Infrastructure: Expert in Vector Search (Weaviate/Pinecone/Qdrant/pgvector) and high-throughput Python backends. ✔️ Full-Stack: Flutter & React for cross-platform client interfaces. Core Stack: Python (FastAPI/Django), AWS/GCP, MCP Servers, RAG Pipelines. I help firms scale data analysis and automate valuation processes. Let’s build your next AI solution.

Hi, I am a senior software developer with solid experience building desktop, web and mobile applications using Microsoft technologies and modern frameworks. I enjoy helping clients turn ideas into working systems, fixing issues in existing applications, and improving performance where things aren’t running as they should. I focus on writing clean, reliable code and making sure the end result is something you can actually depend on long-term. Whether you’re starting from scratch or need help with an existing project, I can step in and get things moving in the right direction. Desktop & Backend Development C++, C#, .NET Framework / .NET Core, ASP.NET (Web Forms, MVC), WinForms, WPF Mobile Apps Xamarin, .NET MAUI, Flutter Frontend JavaScript, JSON, Ext JS Databases SQL Server, MySQL, PL/SQL Reporting Stimulsoft Reports

I turn ideas into real apps people actually use. With 5+ years of experience building mobile apps that scale — from startup MVPs to high-performance cross-platform products — I’ve learned that great code is just the start. What really matters is building something that works for users and for business. I specialize in React Native and Flutter, and I’ve helped startups and companies take products from concept to the App Store and Google Play — covering everything from clean UI/UX to full deployment. A few highlights from my journey so far: 📱 Built 10+ cross-platform apps across industries like: Social platforms E-commerce Food delivery Real estate Booking systems 🚀 Delivered real impact: Boosted app performance by up to 25% Built apps used by thousands of daily users Integrated monetization systems with RevenueCat, subscriptions, and in-app purchases 🧠 What I bring to the table: Clean Architecture and scalable codebases that don’t fall apart as you grow Performance obsessed — smooth 60fps experiences, always Deep experience with Firebase, AppsFlyer, OneSignal, and REST APIs Tech I work with daily: React Native • Flutter • TypeScript • Firebase • REST APIs • Expo I don’t just write code — I build complete products with real business impact. Whether you’re launching a new idea or scaling an existing one, I’d love to help.

I’m a Mobile Full-Stack Developer specialized in Flutter, building fast, scalable, and elegant apps for iOS and Android. I deliver high-quality, real-time applications with clean architecture and seamless integrations — REST APIs, Firebase, and Stripe. 💼 What I offer: • Flutter app development & optimization • API & payment integration • Bug fixing & app publishing • Ongoing maintenance and updates Reliable, detail-oriented, and committed to delivering top-quality work — let’s bring your app idea to life 🚀