Top Rated Full Stack Developer helping startups, SaaS founders, agencies, and growing businesses build scalable web applications, AI-powered platforms, enterprise software, customer portals, dashboards, CRM systems, and high-performance SaaS products. 🏆 Top Rated on Upwork ⭐ 100% Job Success ⭐ 55+ Successful Projects ⭐ 3,200+ Hours Worked ⭐ 12+ Years Experience ⭐ Long-term Client Relationships If you're looking for someone who can take ownership of your entire application instead of just writing code, you're in the right place. For over 12 years I've helped founders transform ideas into successful software products. I don't simply build features. I help architect applications, solve techniSenior Full-Stack Developer specializing in React, Next.js, and Node.js. I build SaaS products and AI-powered web apps for startups and growing companies, Top Rated on Upwork with a 100% Job Success Score across 55+ projects and 3,200+ hours delivered. Where I do my best work: • SaaS platforms — dashboards, admin panels, billing, multi-tenant apps • AI integration — OpenAI/LLM features, chatbots, RAG, and workflow automation • React & Next.js frontends — fast, responsive, and accessible • Node.js / TypeScript backends — REST and GraphQL APIs that scale • Stripe and payment integrations, third-party APIs, and legacy modernization A few things I've shipped: an e-learning platform, a real-estate platform with intelligent matchmaking and real-time messaging, a CRM for a logistics company, and an AI-powered fintech app. Clients describe my work as reliable, clearly communicated, and built to last — you can read their reviews below. The way I work is simple: I plan before I build, I write clean and maintainable code, and I verify before calling anything done, so you get stability, not surprises. I respond within a few hours and keep you updated the whole way through. If you're launching a new SaaS product, adding AI features, or scaling an existing app, send me a message with what you're working on and I'll tell you honestly how I can help. ━━━━━━━━━━━━━━━━━━ WHY CLIENTS KEEP COMING BACK Clients appreciate that I communicate clearly, meet deadlines, and think like a product owner rather than simply completing assigned tasks. I ask the right questions before development begins, identify potential risks early, and recommend solutions that save both time and money. Many of my clients stay with me for months or years because they know I care about building reliable software that continues to perform as their business grows. ━━━━━━━━━━━━━━━━━━ CLIENT FEEDBACK ★★★★★ "Excellent developer with outstanding communication. Delivered exactly what we needed, ahead of schedule. We will definitely hire him again." ★★★★★ "One of the best Full Stack developers we've worked with on Upwork. Great architecture decisions, clean code, and proactive throughout the project." ★★★★★ "Very reliable, highly skilled, and always available when needed. He solved complex issues that previous developers couldn't." ★★★★★ "Our SaaS product became significantly faster after the optimization work. Great experience from start to finish." ★★★★★ "Professional, knowledgeable, and easy to work with. He took ownership of the project and consistently exceeded expectations." ━━━━━━━━━━━━━━━━━━ MY DEVELOPMENT PROCESS Understand your business goals Plan the architecture Build scalable features Write clean, maintainable code Thorough testing Performance optimization Secure deployment Ongoing support and continuous improvements ━━━━━━━━━━━━━━━━━━ TECHNOLOGIES React.js • Next.js • Node.js • Express.js • NestJS • TypeScript • JavaScript • MERN Stack • PostgreSQL • MongoDB • MySQL • Supabase • Firebase • Redis • Prisma • GraphQL • REST API • Docker • Kubernetes • AWS • Vercel • Netlify • Stripe • OpenAI • ChatGPT • GPT-4 • Claude • Gemini • LangChain • LangGraph • Pinecone • ChromaDB • RAG • AI Agents • SaaS • CRM • ERP • Marketplace • Dashboard • Admin Panel • Enterprise Applications • Workflow Automation • API Integration • Authentication • Authorization • JWT • OAuth • CI/CD • Git • GitHub • Agile • Scrum ━━━━━━━━━━━━━━━━━━ Whether you need an experienced React Developer, Next.js Developer, Node.js Developer, MERN Stack Engineer, SaaS Architect, AI Developer, Technical Lead, or someone who can own your product from idea to launch, I'd be happy to discuss your project. Send me a message with your requirements, goals, or even just an idea. I'll review it, suggest the best technical approach, and help you build software that's scalable, maintainable, and ready for long-term success.

🥇Top Rated Developer 🌟6+ Years 💠 20 Total Jobs 🛠️5400+ Hours Hello, I am a React Native, Python, AI-Native Apps & Node.js developer 🤝 with 6+ years of professional experience in crafting high-performance, AI-Driven, Modern, and user-friendly mobile applications. Over the years, I have helped startups, enterprises, and entrepreneurs bring their app ideas into scalable digital reality that grow with time. 😎 If it is about to building cross-platform apps from scratch, integrating advanced features, or optimizing performance, or AI integrations, I will make your mobile solution fast, reliable, and future-proof. 🙂 👉 My Technical Expertise ============================================== 🎯 React Native Development ------------------------------------- ✅ Core React Native framework (hooks, navigation, styling, animations) ✅ State management: Redux, Redux Toolkit, MobX, Context API, Zustand ✅ Navigation: React Navigation, React Native Navigation (Wix) ✅ Animations: Reanimated, Lottie, React Native Gesture Handler ✅ UI Libraries: NativeBase, React Native Paper, UI Kitten, Shoutem UI ✅ Forms & Validation: Formik, Yup, React Hook Form ✅ API Handling: Axios, Fetch API, React Query, SWR ✅ Performance: Hermes, Flipper, code-splitting, lazy loading 🎯 Backend Development (Node.js & Python) ------------------------------------------------------- ✅ Node.js, Express.js, Nest.js, FastAPI, Django Flask ✅ RESTful API & GraphQL development, AI-ML Algorithm Development ✅ Real-time communication: SocketIO, WebRTC, Twillio ✅ Authentication: JWT, OAuth2, Passport.js 🎯 Cloud & Hosting ------------------------ ✅ AWS (Lambda, S3, EC2, API Gateway, DynamoDB) ✅ Firebase (Auth, Firestore, Cloud Functions, Push Notifications) ✅ Google Cloud Platform services 🎯 Third-Party SDK Integrations --------------------------------------- ✅ Stripe, PayPal, Razorpay, Braintree (payments) ✅ Google Maps, Mapbox, Geolocation APIs ✅ Social Logins (Google, Facebook, Apple) ✅ Twilio, SendGrid, OneSignal 🎯 Databases ------------------ ✅ MongoDB, PostgreSQL, MySQL, SQLite, Realm DB, WatermelonDB 🎯 AI Coding and Automation ------------------------------------- ✅ Vercel V0, Claude Code, Cursor, Lovable, and Replit ✅ n8n Automation, AI Automation, AI-Native Backend Development 👉 Working with Me The Benefits You will Enjoy ============================================== ✔️ Direct Communication ✔️ Full Transparency ✔️ Speed & Quality ✔️ Problem-Solving Mindset ✔️ Scalable Solutions ✔️ Cost-Effective Development ✔️ Post-Delivery Support 👉 What Makes Me an Ideal Fit ============================================== ⭐ Proven track record of delivering cross-platform apps loved by users. ⭐ Strong ability to handle end-to-end development from backend to frontend. ⭐ Experience working with startups, agencies, and enterprise-level clients. ⭐ Solid understanding of UI/UX best practices for maximum user engagement. ⭐ Committed to building long-term client relationships, not just one-off projects. If you are looking for a React Native developer who understands both the technical side and the business value of your app, I am the developer you are searching for. 📅 Let’s schedule a quick 1:1 consultation to discuss your project, goals, and timelines. 💌 Click "HIRE ME" or "INVITE ME" and i will turn your idea into a world-class mobile experience. Thanks & Regards, Ajay Gol.

Top Rated Plus • $100K+ Earned • 10+ Years Experience I help startups and businesses build mobile apps that are scalable, smooth, and built for real-world growth. Over the last 10+ years, I’ve worked on SaaS platforms, AI-powered apps, fitness apps, real-time systems, and mobile products used by thousands of users. I mainly work with Flutter, Android (Kotlin), Firebase, APIs, WebSockets, and AI integrations like OpenAI / ChatGPT. What I focus on: - Clean and scalable architecture - Fast and responsive apps - Real-time features - Maintainable code - Smooth user experience I don’t just build features and disappear. I help clients make better technical decisions early so the product stays stable as it grows. Have an app idea or an existing product? Message me and let’s discuss the best way to build and scale it. Jay Patel. Flutter Developer I Android Developer I Kotlin I Jetpack Compose I Firebase I AI Integration I OpenAI / ChatGPT Integration I SaaS App Development I MVP Development I Cross-Platform App Development I REST API Integration I WebSocket Integration I Real-Time Apps I Clean Architecture I MVVM I MVI I AI-Powered Mobile Apps I Payment Gateway Integration I Push Notifications I Google Maps API I NFC I QR Scanner I Play Store Deployment| React Native

🚀 iOS Developer | SwiftUI, UIKit & Apple Ecosystem Expert Elegant iOS Apps Built with Swift & SwiftUI 🔹 7+ years of experience building modern, scalable, and user-focused iOS apps for startups and enterprises. 🔹 I specialize in creating smooth, high-performance apps that integrate seamlessly across the Apple ecosystem - iPhone, iPad, macOS, and Apple Watch. 💡 Expertise ✅ Swift, SwiftUI, Objective-C, UIKit ✅ BLE Integration (smart devices & connectivity) ✅ Apple Features - In-App Purchases, Apple Sign-In, Widgets ✅ Local Data - CoreData & Realm ✅ Cross-Device Development - iPadOS, watchOS, macOS ✅ Clean Architecture - MVVM, MVC ✅ UI/UX Best Practices - Intuitive, pixel-perfect designs 🧠 Tech Stack Xcode | Swift | SwiftUI | Objective-C | CoreData | Realm | Combine | BLE | In-App Purchases | Apple Sign-In | WatchKit | Firebase | REST APIs | Git | Jira | TestFlight 🌟 Why Clients Choose Me ✅ Performance-Driven Code - Clean, maintainable & optimized ✅ End-to-End Support - From idea → App Store launch ✅ Apple Ecosystem Expertise - iOS, iPadOS, macOS & watchOS ✅ Responsive Communication - Clear, proactive & reliable 🔧 My Process 1️⃣ Discovery - Understanding your goals & tech needs 2️⃣ UI/UX Planning - Smooth, user-friendly design 3️⃣ Development - Efficient, scalable coding 4️⃣ Testing & QA - Performance & stability checks 5️⃣ Deployment - App Store release & ongoing support Let’s turn your iOS app idea into reality - built for performance, designed for users, and engineered to grow. 💬 Message me today to discuss your project!

Programming Languages: Swift: The primary programming language for iOS development. Objective-C: Although less common now, proficiency in Objective-C may still be required for maintaining legacy codebases. iOS Development Tools: Xcode: The official integrated development environment (IDE) for iOS development. Interface Builder: Used for designing user interfaces visually within Xcode. Instruments: For performance analysis and debugging of iOS apps. Frameworks and APIs: UIKit: The framework for building user interfaces in iOS. Foundation: Provides essential classes and data types used throughout iOS development. Core Data: For managing the model layer of an iOS app and persisting data. Core Animation: Used for creating complex animations and visual effects. Core Location: For integrating location-based services into iOS apps. Core Bluetooth: For developing Bluetooth Low Energy (BLE) apps. Cocoa Touch: A collection of frameworks for building iOS apps. Networking and Data Persistence: URLSession: For making network requests and handling responses. Alamofire or URLSession with Codable: Libraries for simplifying network requests and JSON parsing. SQLite or Core Data: For local data storage and persistence. Version Control: Git: Proficiency in using Git for version control and collaboration with other developers. GitHub or Bitbucket: Familiarity with platforms for hosting Git repositories and managing project workflows. Testing and Debugging: XCTest: Apple's built-in testing framework for writing unit and UI tests. XCUITest: For writing UI automation tests. Debugging tools in Xcode: Including breakpoints, LLDB debugger, and runtime inspection tools. App Deployment and Distribution: App Store Connect: For submitting apps to the App Store and managing app listings. TestFlight: Apple's platform for beta testing iOS apps before release. Code signing and provisioning profiles: Understanding of the process for distributing apps to testers and users. UI/UX Design: Understanding of Human Interface Guidelines (HIG) for iOS. Auto Layout and Size Classes: For creating responsive layouts that adapt to different screen sizes. Storyboards and XIB files: Familiarity with visual tools for designing app interfaces. Cross-functional Skills: Collaboration: Ability to work effectively in cross-functional teams, including designers, product managers, and QA testers. Problem-solving: Strong analytical and problem-solving skills for debugging and troubleshooting issues. Communication: Clear communication skills for discussing technical concepts and collaborating with team members.

From concept to launch, I build production-grade mobile applications that are scalable, secure, and built to deliver real business results. I’m Hardeep, an experienced Mobile App Developer with over 10 years of hands-on expertise creating high-performance mobile apps for startups and enterprises. I specialize in native iOS and Android development, as well as React Native, with a strong focus on AI-driven features and modern app architectures. Whether you’re launching an MVP or scaling an existing product, I help transform ideas into reliable, user-friendly mobile experiences that perform exceptionally well in real-world conditions. ==> Mobile Development Expertise: ------------------------------------------ I work extensively with iOS (Swift), Android (Kotlin), React Native, and Flutter to build fast, responsive, and maintainable mobile applications tailored to your business goals. ==> AI-Driven Features & Integrations: --------------------------------------------- I integrate AI capabilities such as LLM APIs (GPT, Llama), conversational AI, and predictive models to enhance user engagement, automation, and decision-making within mobile apps. ==> Industry Experience: ------------------------------ I have delivered successful solutions across multiple domains, including FinTech, Healthcare (HIPAA-compliant apps), video streaming, subscription-based platforms, social and dating apps, and real estate solutions. ==> Payments, Streaming & Infrastructure: -------------------------------------------------- My experience includes payment gateway integrations (Stripe, PayPal, Apple Pay, Google Pay), subscription systems, in-app purchases, and real-time video streaming using WebRTC, Twilio, Zoom, and Agora. I also handle CI/CD pipelines, app distribution, and cloud-backed mobile infrastructures. ==> How I Work: ------------------- I follow Agile development practices, prioritize clear communication, and provide regular updates throughout the project lifecycle. My code is clean, scalable, and designed to support long-term growth and future enhancements. If you’re looking for a reliable mobile app developer who understands native and cross-platform development and can seamlessly integrate AI-powered features, I’d be glad to collaborate. Let’s build a high-performing mobile app that users love and businesses trust.

Hey 👋 I’m Anastasiia, a Senior Software Engineer specializing in cross-platform React Native app development for operations platforms, SaaS products, and real estate / field-service teams, from MVP to production-ready apps on iOS and Android. I help teams turn product ideas into stable, scalable mobile systems that users actually rely on daily. 🚀 What I Build with React Native Cross-platform mobile apps (iOS + Android) with a mobile-first UX Offline-first workflows with reliable data sync Push notifications (real-time updates, alerts, user engagement) Payments & subscriptions (in-app purchases, Stripe, Apple/Google Pay) Maps, geolocation & route-based features BLE / device integrations when hardware is involved Secure API integrations (often with .NET / REST / GraphQL backends) Admin dashboards (web companion panels for operations teams) 🧠 How I Work Discovery → clarify product goals, users, and edge cases Architecture → define scalable mobile structure (state, data flow, API design) Milestone delivery → iterative builds with clear scope per stage Weekly demos → working builds you can test continuously Store release → full App Store / Google Play preparation and deployment 💡 Why this approach works You get a production-ready architecture early, not just UI screens The app is designed to scale from MVP → full platform without rewrites Mobile performance, reliability, and UX are treated as core requirements, not afterthoughts You always know what’s being built and why, at every step If you already have an app idea, a prototype, or even an existing codebase, share it with me. I’ll map out the fastest and cleanest path to get it into production.

I help founders ship production mobile apps, Flutter, native iOS, and native Android, from MVP to App Store launch, and implement AI integrations and solutions, including LLMs, RAG, computer vision, and automation, when the product needs them. 𝗧𝗼𝗽 𝗥𝗮𝘁𝗲𝗱 𝗣𝗹𝘂𝘀 | 𝟳,𝟬𝟬𝟬+ 𝗵𝗼𝘂𝗿𝘀 | 100% Job Success | 11+ years I’ve shipped 40+ production apps across: → Secure fintech & banking applications → AI-powered systems (computer vision, LLM agents, automation) → Scalable SaaS platforms with full backend I also build with AI coding agents (Claude Code, Cursor, Copilot) daily, with the engineering judgment to catch what they get wrong. 𝗙𝗿𝗮𝗺𝗲𝘄𝗼𝗿𝗸-𝗮𝗴𝗻𝗼𝘀𝘁𝗶𝗰. I pick the right stack for your product, not what I prefer. Currently building my own SaaS, so I focus on clean architecture and long-term growth, not quick hacks. ━━━━━━━━ 𝐏𝐫𝐨𝐝𝐮𝐜𝐭𝐬 𝐈'𝐯𝐞 𝐡𝐞𝐥𝐩𝐞𝐝 𝐛𝐮𝐢𝐥𝐝: Zand Corporate: the mobile app for the UAE's first fully digital corporate bank. Built from scratch through App Store approval. DTEK Swift: AI-powered self-checkout using computer vision to recognize products in under 200ms. now rolling out across ADNOC Distribution stores in the UAE. Easypaisa and My Telenor: Core developer on consumer apps now at 𝟭𝟬𝟬𝗠+ and 𝟱𝟬𝗠+ downloads. 𝐖𝐡𝐚𝐭 𝐂𝐥𝐢𝐞𝐧𝐭𝐬 𝐒𝐚𝐲 💬 "Hammad was incredible to work with. He jumped in quickly, handled everything with professionalism and timely communication. I feel 𝐥𝐮𝐜𝐤𝐲 𝐭𝐨 𝐡𝐚𝐯𝐞 𝐟𝐨𝐮𝐧𝐝 𝐡𝐢𝐦 and will definitely be hiring him for future projects!" Waheeda B 💬 "Hammad took my existing mobile application to a whole new level. His quality of work is seriously top notch. New code was pushed out almost everyday for me to test. 𝐁𝐨𝐨𝐤 𝐡𝐢𝐦 𝐭𝐨𝐝𝐚𝐲...you wont regret it." Thomas R 𝐖𝐡𝐚𝐭 𝐈 𝐒𝐩𝐞𝐜𝐢𝐚𝐥𝐢𝐳𝐞 𝐈𝐧 Mobile Apps (Cross-Platform & Native): Flutter, React Native, native iOS (Swift), native Android (Kotlin). Clean architecture, BLE/WiFi/IoT, camera, health data, file system, calendar integrations. AI App Development: OpenAI/ChatGPT, Anthropic Claude, Google Gemini, custom RAG pipelines, AI chat, voice agents, prompt engineering, computer vision, on-device ML, agentic workflows. Backend & Cloud: Supabase, Firebase, REST & GraphQL, PostgreSQL, Airtable, Azure, Google Cloud, Node.js, C#, Python. Payments: RevenueCat, Stripe, Apple IAP, Google Play Billing. Subscriptions, trials, receipt validation, secure monetization. AI-Assisted Development: Claude Code, Cursor, Copilot. Orchestrated daily, with the judgment to review and override AI output. Other: CI/CD (GitHub Actions, Codemagic, Azure DevOps, Fastlane, Jenkins), JWT and OAuth, SaaS architecture, RBAC, multi-tenant systems, WebSockets, MQTT, App Store and Google Play submission, review handling and release. 𝐖𝐡𝐚𝐭 𝐘𝐨𝐮 𝐆𝐞𝐭 → Apps for iOS, Android & Web → MVPs in 4 weeks, delivered on time → Clean Architecture & SOLID principles built to scale → Security-focused development, no shortcuts → Daily updates, working builds to test throughout → Founder-first mindset. I solve business problems, not just technical ones → Full-cycle support from idea to launch and beyond → NDA-friendly, fluent English, 40 hrs/week availability 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐢𝐞𝐬 𝗦𝗲𝗿𝘃𝗲𝗱 🔸 B2B SaaS & Subscription Platforms 🔸 AI-Powered & Data-Driven Products 🔸 Startups & Funded Early-Stage Companies 🔸 Fintech & Payment-Enabled Apps 🔸 HealthTech & Wellness Platforms 🔸 Marketplaces & On-Demand Services 🔸 E-commerce & Retail 🔸 Industrial Automation & IoT ✌ 𝗦𝗢𝗨𝗡𝗗 𝗟𝗜𝗞𝗘 𝗔 𝗙𝗜𝗧? Message me with a brief overview. I'll review and tell you honestly if and how I can help. No fluff. 𝗞𝗲𝘆𝘄𝗼𝗿𝗱𝘀: Mobile App Development, iOS App Development, Android App Development, Swift, Kotlin, React Native, Flutter, Dart, Cross-Platform App Development, Hybrid App Development, Native App Development, AI App Development, AI Integration, OpenAI API, ChatGPT, Anthropic Claude, Google Gemini, LangChain, RAG, Computer Vision, Machine Learning, On-Device ML, Agentic Workflows, Voice Agents, Chatbot, Firebase, Supabase, PostgreSQL, REST API, GraphQL, Node.js, Python, C#, Azure, Google Cloud, Stripe, RevenueCat, In-App Purchases, Apple IAP, Google Play Billing, Subscription, Paywall, Mobile Paywall, JWT Auth, RBAC, Multi-Tenant, SaaS, MVP, Enterprise Mobile App, Custom App Development, Full-Stack Mobile, Solution Architect, Clean Architecture, MVVM, BLE, IoT, WebSockets, MQTT, Realm, CoreData, SignalR, Push Notifications, Real-Time Messaging, Text to Speech, API Integration, Payment Integration, SDK Integration, Printer SDK, Offline-First, State Management, App Store Deployment, TestFlight, CI/CD, GitHub Actions, Codemagic, Fastlane, Jenkins, Azure DevOps, Unit Testing, Code Review, Code Optimization, UI/UX Design, Figma, FlutterFlow, Cursor, Android Studio, XCode, Vibe Coding, MVP Development, AI App Development, Full-Stack App Development, Twilio, AppsFlyer.

🏆 TOP RATED PLUS | 100% Job Success | 9+ Years Building Web Products 👋 Welcome! If you found my profile, you're looking for someone who can turn an idea into a polished, scalable, revenue-generating product and ship it without drama. You're in the right place. I'm a Top Rated Plus full-stack engineer in the top 1% of Upwork talent, with 9+ years of professional web development, 6 years on Upwork, and a 100% Job Success Score. I specialize in React, NextJS, NodeJS, NestJS and TypeScript, plus everything needed to build fast, modern, reliable applications. 📊 BY THE NUMBERS • 🏆 Top Rated Plus, top 1% of Upwork freelancers • ✅ 100% Job Success Score • ⭐ 6 years on Upwork • 💻 9+ years of successful web development • 🚀 7+ years of full-stack delivery • 🔁 Long-term clients & high repeat-hire rate • 🗣 Fluent English, clear and proactive communication 🔥 WHAT I BRING • Senior-level architecture and system design • Clean, documented, modular, scalable code • On-time delivery, even under tight deadlines • Full ownership: concept → architecture → development → release • Proactive collaboration with founders, PMs and designers 🛠 CORE EXPERTISE (years of hands-on experience) ▸ FRONTEND JavaScript 9+ yrs · React 9+ yrs · HTML5/CSS3 9+ yrs · TypeScript 7+ yrs · NextJS 6+ yrs · Redux 7+ yrs · Zustand 3+ yrs · SCSS/SASS/LESS 8+ yrs · Tailwind 4+ yrs · Material UI 6+ yrs · Ant Design 4+ yrs · styled-components 5+ yrs · Storybook 4+ yrs · TanStack Query 4+ yrs · Vite/Webpack 6+ yrs · ChartJS, Recharts, ApexCharts, Highcharts, D3 5+ yrs ▸ BACKEND NodeJS 8+ yrs · Express 8+ yrs · NestJS 5+ yrs · REST API 8+ yrs · GraphQL 5+ yrs · WebSockets/Socket IO 5+ yrs · Microservices 5+ yrs · Prisma/Drizzle/TypeORM 5+ yrs ▸ DATABASES PostgreSQL 7+ yrs · MongoDB 7+ yrs · MySQL 6 yrs · Redis 4+ yrs · Firebase 5+ yrs · Supabase 3+ yrs · Neo4j 2+ yrs · Pinecone 2+ yrs ▸ CLOUD & DEVOPS AWS (EC2, Lambda, S3, RDS, Cognito, CloudWatch, API Gateway, Amplify) 6+ yrs · Docker 6+ yrs · CI/CD (GitHub Actions, GitLab) 5+ yrs · Vercel/Netlify/Nginx 5+ yrs ▸ AI & AUTOMATION Claude Code (daily driver since its 2025 launch) · AI integration: OpenAI, Anthropic, LangChain, RAG 3+ yrs · Vector DBs & semantic search 2+ yrs · n8n 2+ yrs ▸ INTEGRATIONS & TOOLS Stripe 6+ yrs · Twilio · SendGrid · Algolia · Elasticsearch · RabbitMQ · Auth0/OAuth/JWT/Cognito · Jest, Mocha, Cypress, Playwright · Agile/Scrum, Jira, Git 👥 MY TEAM I work with the INCODE Group, a team of senior engineers and designers covering web, mobile (Flutter, React Native), UI/UX, backend and DevOps. From MVPs to complex multi-service platforms, we handle projects of any scope. 🌟 WHY CLIENTS HIRE ME ♟ Strategic problem solving: more than "just a developer." I refine requirements and suggest smarter solutions. 🤝 Full ownership: one accountable person driving the entire flow. 🦾 Quality & scalability: clean, modular code ready to scale with your user base. 💼 Proven results: I help clients ship faster, increase revenue and improve engagement. ❓ Tell me about your idea and I'll help shape it into something users love. 📩 Send me a message anytime. Specialization: full stack developer, full stack web developer, react developer, nextjs developer, nodejs developer, nestjs developer, typescript developer, javascript developer, frontend developer, backend developer, backend engineer, web developer, saas developer, ai saas developer, ai integration developer, openai developer, langchain developer, rag developer, chatbot developer, dashboard developer, crm developer, marketplace developer, e-commerce developer, fintech developer, real-time app developer, websocket developer, graphql developer, rest api developer, microservices, postgresql, mysql, mongodb, supabase, firebase, redis, prisma, aws developer, aws devops, aws lambda, serverless developer, docker developer, ci/cd, stripe integration, twilio, headless cms, strapi, sanity, tailwind developer, react native, mvp development, web design, top rated plus developer, ai-native, ai-first, claude code, chatGPT, OpenAI

Hi there 👋 Building mobile apps that ship on time and stay shipped. Senior mobile engineer with $200K+ earned on Upwork, 8,000+ hours delivered, and 30+ shipped apps maintaining 4.5★+ ratings on the App Store. Recent long-term retainer: 4,200 hours / $128K single contract at 5.0 stars. I've led small mobile teams on multi-year projects - setting up architecture, reviewing code, and onboarding new developers. Industries I work across: HealthTech · FinTech · AgriTech · Pharma E-commerce · Industrial IoT · Logistics & Delivery · Travel & Tourism · AI assistants · EdTech · Sports & Outdoor · Telecom · Entertainment · Lifestyle apps What I deliver: - Native iOS: Swift, SwiftUI, UIKit, Combine, Async/Await, Core Data, MVVM / VIPER, clean architecture - Native Android: Kotlin, Jetpack Compose, MVVM, Coroutines & Flow - Cross-platform: ReactNative, Kotlin Multiplatform Mobile (KMM) for shared business logic - Integrations: REST APIs, Firebase, WebSockets, Bluetooth / BLE, GPS / CoreLocation, HealthKit, Apple Watch - Architecture & ops: scalable patterns, CI/CD pipelines, App Store Connect & Google Play submissions How I work: - First reply within ~4 hours, working hours - Architecture decisions and POC inside the first sprint - never just "designs" - 2-week trial sprint: scoped first deliverable, clean exit option after it ends - no long-term lock-in until we both confirm fit - Long-term retainer preferred - most of my best work has been 6-month+ engagements If you're scoping a new mobile app - iOS, Android, or cross-platform - let's chat. Share the brief and I'll come back with a scoped estimate plus first-sprint plan within 24 hours.