Hire the Best Flutter Developers in Istanbul, TR

🏆 Top Rated · 100% Job Success · 1,000+ verified hours on Upwork 📱 10 years in software, the last 6 specialized in Flutter — with hundreds of production releases shipped through App Store & Google Play review I build and ship consumer mobile apps end to end — Flutter on the front end, Node.js/NestJS on the back end, and everything in between — from the first commit to live releases on the App Store and Google Play. WHAT I CAN OWN FOR YOU ✅ Cross-platform Flutter apps — iOS + Android from one codebase, smooth 60 FPS UI ✅ Node.js / NestJS / TypeScript backends — clean, documented REST APIs ✅ Authentication, user profiles, and role-based access control ✅ Payments & subscriptions — my core specialty. I use RevenueCat as the backbone for in-app purchases and subscription systems: paywalls, entitlements, trials & offers, and both stores' billing edge cases ✅ Push notifications (FCM), analytics, and CI/CD for automated releases ✅ Full App Store & Google Play submission — I handle review, rejections, and updates myself ✅ AI features — LLM-powered chat & assistants, plus on-device ML with TensorFlow and ML Kit Every app in my portfolio below shipped to both the App Store and Google Play — most with me as the sole engineer from architecture to release. TECHNICAL TOOLBOX • Architecture: layered architecture, repository pattern, MVC & MVVM, SOLID principles • State management: Bloc/Cubit, Riverpod, Provider, GetX, GetIt • Firebase: Auth, Firestore, Cloud Functions, FCM, Storage, Realtime DB • Databases: PostgreSQL, MySQL, MariaDB, Firestore, Supabase, SqfLite • Payments & subscriptions: RevenueCat (expert), App Store & Google Play billing, paywall/entitlement design, subscription webhooks & analytics • UI: pixel-perfect custom Flutter; FlutterFlow for rapid prototyping — or migrating you off it • AI/ML: LLM/OpenAI integrations, TensorFlow, Google ML Kit, OpenCV, computer vision • Also fluent in: React Native, native Android when platform-specific depth is needed HOW I WORK Clear communication, honest estimates, and a bias toward shipping. I take ownership of architecture decisions, write maintainable code your next developer will thank you for, and stay available after launch. I also leverage the most powerful AI tools on the market to move fast — but never on autopilot: every line goes through my own review, so you get AI speed with senior-engineer quality control. Message me about your app and I'll reply with a concrete plan — not a template.

🚀 𝐓𝐮𝐫𝐧 𝐘𝐨𝐮𝐫 𝐈𝐝𝐞𝐚 𝐈𝐧𝐭𝐨 𝐚 𝐇𝐢𝐠𝐡-𝐈𝐦𝐩𝐚𝐜𝐭 𝐀𝐩𝐩 Have an idea? 𝐋𝐞𝐭’𝐬 𝐛𝐫𝐢𝐧𝐠 𝐢𝐭 𝐭𝐨 𝐥𝐢𝐟𝐞. I craft fully functional scalable and stunning apps that don’t just look good— they solve real problems and deliver measurable results. 𝐇𝐨𝐰 𝐖𝐞 𝐓𝐫𝐚𝐧𝐬𝐟𝐨𝐫𝐦 𝐘𝐨𝐮𝐫 𝐕𝐢𝐬𝐢𝐨𝐧 𝐈𝐧𝐭𝐨 𝐑𝐞𝐚𝐥𝐢𝐭𝐲: Every project I take follows a clear, milestone-driven path, so you always know what’s happening: ✨ 𝐔𝐈/𝐔𝐗 𝐃𝐞𝐬𝐢𝐠𝐧 → 𝐅𝐫𝐨𝐧𝐭-𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 → 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 → 𝐃𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭 → 𝐏𝐨𝐬𝐭-𝐥𝐚𝐮𝐧𝐜𝐡 𝐒𝐮𝐩𝐩𝐨𝐫𝐭 (𝐅𝐢𝐫𝐬𝐭 8 𝐰𝐞𝐞𝐤𝐬 𝐅𝐑𝐄𝐄) This approach guarantees 𝐭𝐫𝐚𝐧𝐬𝐩𝐚𝐫𝐞𝐧𝐜𝐲, 𝐩𝐫𝐞𝐝𝐢𝐜𝐭𝐚𝐛𝐥𝐞 𝐭𝐢𝐦𝐞𝐥𝐢𝐧𝐞𝐬, 𝐚𝐧𝐝 𝐳𝐞𝐫𝐨 𝐬𝐮𝐫𝐩𝐫𝐢𝐬𝐞𝐬—so you can focus on your vision while I handle the technical magic. 𝐂𝐨𝐦𝐩𝐥𝐢𝐦𝐞𝐧𝐭𝐚𝐫𝐲 30-𝐌𝐢𝐧𝐮𝐭𝐞 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐭𝐢𝐨𝐧: Before we dive in, I offer a 𝐟𝐫𝐞𝐞 𝐬𝐞𝐬𝐬𝐢𝐨𝐧 to: 𝐂𝐥𝐚𝐫𝐢𝐟𝐲 𝐲𝐨𝐮𝐫 𝐢𝐝𝐞𝐚 𝐚𝐧𝐝 𝐝𝐞𝐟𝐢𝐧𝐞 𝐜𝐨𝐧𝐜𝐫𝐞𝐭𝐞 𝐠𝐨𝐚𝐥𝐬 𝐑𝐞𝐜𝐨𝐦𝐦𝐞𝐧𝐝 𝐭𝐡𝐞 𝐦𝐨𝐬𝐭 𝐞𝐟𝐟𝐢𝐜𝐢𝐞𝐧𝐭 𝐚𝐧𝐝 𝐟𝐮𝐭𝐮𝐫𝐞-𝐩𝐫𝐨𝐨𝐟 𝐭𝐞𝐜𝐡 𝐬𝐭𝐚𝐜𝐤 𝐄𝐬𝐭𝐢𝐦𝐚𝐭𝐞 𝐨𝐧𝐠𝐨𝐢𝐧𝐠 𝐜𝐨𝐬𝐭𝐬 𝐚𝐬 𝐲𝐨𝐮𝐫 𝐚𝐩𝐩 𝐬𝐜𝐚𝐥𝐞𝐬 This ensures you make 𝐬𝐦𝐚𝐫𝐭, 𝐢𝐧𝐟𝐨𝐫𝐦𝐞𝐝 𝐝𝐞𝐜𝐢𝐬𝐢𝐨𝐧𝐬 from day one—no guesswork, no hidden surprises. 𝐖𝐡𝐚𝐭 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐋𝐨𝐯𝐞: I don’t just deliver code—I create 𝐚𝐩𝐩𝐬 that users enjoy, stakeholders trust, and businesses grow from.

I'm Naeem Ibrahim -- a Mobile App Developer with 10+ years of experience building high-quality Android and iOS apps for startups and businesses worldwide. My core focus is Flutter (cross-platform), Native Android (Kotlin/Java), and iOS (Swift) — delivering clean architecture, smooth user experiences, and production-ready apps from idea to App Store/Play Store launch. -- Mobile Development -- ▸ Flutter apps for Android, iOS, Web & Desktop ▸ Native Android apps — Kotlin/Java, MVVM architecture ▸ iOS apps — Swift ▸ State management: BLoC, Riverpod, Provider, GetX, ▸ CI/CD pipelines: GitHub Actions, Fastlane ▸ Unit & widget testing for long-term stability -- Firebase & Backend -- ▸ Firebase Auth, Firestore, Realtime DB, FCM, Crashlytics, Analytics ▸ Supabase & REST APIs ▸ Secure authentication: Email, Google, Apple, Facebook, Phone ▸ Payments: Stripe, PayPal, Braintree, Apple/Google IAP -- Maps, Location & Real-Time -- ▸ Google Maps, OpenStreetMap, Geolocation & location tracking ▸ Real-time chat, push notifications, and live updates -- IoT & Smart Home -- ▸ Tuya SDK & Tuya OEM — custom branded smart home app development ▸ Smart device control, automation, scheduling & remote access ▸ Real-time device communication -- AI & LLM Integration -- ▸ ChatGPT, Gemini, DeepSeek integrations ▸ In-app chatbots, smart automation & document generation ▸ Currently pursuing a Master's degree in AI — deepening expertise in machine learning and Python-based AI development -- Ads & Monetization -- ▸ AdMob & AppLovin ▸ In-app purchases & subscription management -- Also Available -- ▸ Unity 3D game development (2D/3D, Multiplayer Game via Photon PUN2, casual & hyper-casual) ▸ Python backend development & scripting — actively expanding through my Master's in AI -- Why clients work with me -- ✔ 10+ years native Android, 5+ years Flutter ✔ End-to-end delivery: idea → MVP → App Store/Play Store → scale ✔ Clear communication, clean code, and on-time delivery ✔ No surprises — I flag issues early and keep you informed throughout Have a mobile app idea or an existing app that needs expert attention? Send me a message — I'd love to hear about it.

👑 Top Rated Flutter Developer with 100% Job Success 👑 I’m a senior Flutter developer with 5+ years of experience building apps for iOS, Android, web, and desktop. I can build your app from scratch, join your existing team, or help fix and improve your current Flutter project. If you have daily or weekly meetings, count me in. I can work with your designers, backend developers, project managers, or other mobile developers without any problem. I mostly work with Flutter, Clean Architecture, BLoC/Cubit, Riverpod, GetIt, REST APIs, Firebase, payments, subscriptions, notifications, maps, audio/video, real-time chat, and native iOS/Android integrations. I have built different types of apps, including fintech, banking, AI wellness, habit tracker, social media, health, fitness, meditation, GPS, task management, e-commerce, marketplace, and business apps. What you can expect from me: * Clean Flutter code * Clear communication * Regular updates * Fast and careful development * Good attention to bugs and edge cases * Support after release if needed I care about building apps properly. Not just something that works for now, but something stable, clean, and easy to improve later. If you need a reliable Flutter developer who can take responsibility and move your project forward, feel free to send me an invite.

Overview: 🤖 AI Automation Engineer & Flutter Developer specializing in RAG systems, AI agents, and cross-platform mobile apps. 📱 3+ years shipping production systems for startups, NGOs, and enterprises — from AI-powered backends to apps live on the App Store and Google Play. 🌍 Available across EST, PST, GMT, and AEST. About Me: I'm a software engineer who builds LLM-powered systems — RAG pipelines, AI agents, and automation workflows — using solid engineering practices instead of fragile no-code chains. My background is in Flutter mobile development, which now lets me deliver AI systems end-to-end: the automation, the backend, and the app or interface it runs in. I design with Python, FastAPI, structured data, and workflow tools like n8n, and I've shipped MVPs and production systems for startups, NGOs, and enterprise clients. What I Offer: 🤖 AI Automation & Intelligent Systems - AI agents and RAG systems built with FastAPI, pgvector, Supabase, and Ollama/OpenAI - Business process automation with n8n (self-hosted and cloud) - Lead qualification and enrichment pipelines with real-time Slack/Teams alerts - Market and competitor intelligence automation - Content automation for marketing and social ops - Structured, database-ready outputs — no silent failures 📱 Mobile App Development (Flutter) - Cross-platform iOS & Android apps with Clean Architecture - State management with BLoC, Cubit, Riverpod - Material Design & iOS HIG-compliant UI - Full App Store & Google Play deployment 🔗 Backend & Integrations - REST & GraphQL APIs, Firebase, Supabase, PostgreSQL, MongoDB - Authentication, webhooks, monitoring - Google Pay / Apple Pay integration - CI/CD with GitHub Actions & Docker 🛠 Tech Stack: Languages: Flutter, Dart, Python, JavaScript, TypeScript, Node.js Backend & Data: FastAPI, Firebase, Supabase, PostgreSQL, pgvector, MongoDB AI & Automation: n8n, RAG, Ollama, OpenAI (GPT-4o), Vector Databases Tools: Git, Docker, Notion, Jira, Figma Testing: Mockito, Widget Testing ✅ Why Work With Me: - Engineer mindset — I design systems, not templates - Rare combination: AI automation + mobile delivery in one person - Clean, future-proof architecture from day one - Clear communication across time zones, regular updates 🎯 Industries: AI assistants & internal tools, SaaS & startup apps, healthcare/telehealth, e-commerce, education, business operations automation. 📩 Let's Build Something If you need a reliable AI agent, an automation pipeline, or a mobile app built around one, send me a message or invite me to your job — happy to talk through your project.

I help startups and businesses build AI-powered products, SaaS platforms, mobile apps, and workflow automation systems. Over the last 11+ years, I've worked across healthcare, fintech, ecommerce, marketplaces, education, and AI-driven products, helping founders take ideas from concept to production. Core expertise: 1/ AI Agents & AI Automation 2/ OpenAI & Claude Integrations 3/ Voice AI (Twilio, Retell AI) 4/ React Native & Flutter 5/ Next.js, React, Node.js & NestJS 6/ SaaS & Multi-Tenant Platforms 7/ Firebase, Supabase & PostgreSQL 8/ Stripe & Subscription Systems 9/ CRM & Third-Party Integrations 10/ AWS & Cloud Infrastructure Most of my work with clients looks like this: 1/ Launching new products from scratch 2/ Take over and complete existing codebases 3/ Scale SaaS and mobile platforms 4/ Build AI-powered workflows and automation systems Why me? 1/ 100% job success rate. That means if you hire me, you get the work you desire. I always tend to exceed expectations. 2/ Approx. 16000 logged hours. 70 jobs completed. Not easy to maintain this long streak, this shows my commitment towards my work. Hiring me can never go wrong!