Riajul H.

🚀 Flutter Developer specializing in building high-performance, scalable, and production-ready mobile applications for iOS and Android. I help startups and businesses build AI-powered SaaS platforms, mobile apps, and custom software that automate workflows, reduce operational costs, and scale with confidence. With 10+ years of Flutter development experience, I've partnered with 100+ B2B companies worldwide to deliver 100+ mobile app projects, ranging from early-stage MVPs to complex enterprise solutions. As a full-cycle Flutter Developer, I own the entire stack: responsive UI, backend architecture, databases, cloud infrastructure, API integrations, and AI-powered features, ensuring every component works seamlessly together for reliable, production-ready results. From early-stage MVPs to enterprise-grade platforms, I build solutions engineered to scale, backed by a full-stack skill set that covers every layer of your product: Core Expertise: ● Flutter (iOS & Android) ● Dart ● Firebase & Supabase ● REST APIs & GraphQL ● Backend Development ● Cloud Infrastructure ● AI & OpenAI Integration ● Database Design ● App Store & Google Play Deployment ● Performance Optimization ● Clean Architecture & Scalable Code 📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 ● Cross-platform iOS + Android apps built with Flutter/Dart from one codebase, with native performance ● Faster delivery and easier long-term maintenance from a single, well-structured codebase ● Pixel-perfect UI implementation matching your design specs exactly ● Complex state management for apps with real-world data flow and logic ● Offline-first sync so your app stays functional without a stable connection ● Smooth, native-feeling animations that make the app feel polished, not clunky ● Focus on apps that perform well under real usage, not just in a demo 🤖 𝗔𝗜-𝗜𝗻𝘁𝗲𝗴𝗿𝗮𝘁𝗲𝗱 𝗙𝗲𝗮𝘁𝘂𝗿𝗲𝘀 ● Integration of OpenAI and Claude APIs directly into mobile products ● AI chat agent assistants built to feel native to your app, not bolted on ● Intelligent recommendations based on user behavior and data ● Content generation features for dynamic, personalized app content ● Semantic search for smarter, more relevant in-app results ● Workflow automation to reduce manual steps for your users or team ● Cost control and guardrails built in, so AI features stay reliable in production 🖥️ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 & 𝗜𝗻𝗳𝗿𝗮𝘀𝘁𝗿𝘂𝗰𝘁𝘂𝗿𝗲 ● Secure, scalable APIs and services built with Node.js and Python ● Clean connection between backend and mobile app for reliable data flow ● Authentication and user management handled end-to-end ● Real-time features (chat, live updates, notifications) ● Push notifications set up and configured properly ● Third-party integrations payments, maps, analytics as part of the same delivery ● Everything delivered as one connected system, not separate afterthought pieces 🛠️ 𝗧𝗲𝗰𝗵 𝗦𝘁𝗮𝗰𝗸 ◉ 𝗠𝗼𝗯𝗶𝗹𝗲: Flutter, Dart ◉ 𝗕𝗮𝗰𝗸𝗲𝗻𝗱: Node.js, Python ◉ 𝗔𝗜: OpenAI API, Claude API, LLM Integration, RAG pipelines ◉ 𝗗𝗮𝘁𝗮𝗯𝗮𝘀𝗲 & 𝗖𝗹𝗼𝘂𝗱: Firebase (Auth, Firestore, Cloud Functions, Push Notifications, Storage) ◉ 𝗢𝘁𝗵𝗲𝗿𝘀: REST APIs, Third-party SDK integrations, Payment gateways, Real-time features 🌍 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 & 𝗨𝘀𝗲 𝗖𝗮𝘀𝗲𝘀 Comfortable working across niches: e-commerce, healthcare, fintech, social networking, productivity, marketplace mobile app, location-based mobile app, Fitness and sports mobile app, Booking Mobile app, IoT and Home automation mobile app. Education, on-demand services, and startup MVPs. I adapt my approach to your domain's specific needs rather than forcing a one-size-fits-all template onto every project. 🔄 𝗛𝗼𝘄 𝗜 𝗪𝗼𝗿𝗸 1️⃣ We start with a short discovery conversation to understand your goals, scope, and timeline 2️⃣ I break the work into clear milestones so you always know what's being built and when 3️⃣ Regular updates and working builds throughout no long silences, no surprises at the end 4️⃣ Clean handoff with documentation, so you (or any future developer) can pick up the code easily 🔢 𝗪𝗵𝘆 𝘄𝗼𝗿𝗸 𝘄𝗶𝘁𝗵 𝗺𝗲: ✅ 10+ years of hands-on software development experience ✅ Full ownership mobile, backend, database, and AI integration under one roof ✅ Clean, documented, maintainable code that scales as your product grows ✅ Direct, responsive communication no middlemen, no disappearing act ✅ Practical, honest advice on scope and timeline I'll tell you if something isn't necessary yet I believe in clear communication, long-term partnerships, and delivering software that creates real business value. If you're looking for a developer who can take ownership of your product from idea to launch, I'd be happy to help bring your vision to life.