Hi there! I'm Nishant, a passionate Mobile App Developer with over 9 years of experience developing intuitive mobile and web apps. As a product designer & developer for startups and solo entrepreneurs, I specialize in building mobile and web applications from the ground up, with a keen eye for essential features that drive user engagement and business success. ✅ 1900+ 𝐇𝐨𝐮𝐫𝐬 as a Mobile App Developer, React Native App Developer, and Flutter App Developer ✅ 54+ Jobs completed on upwork with 5★ Rating ✅ 10+ years industry Experience in Mobile App Development as a Flutter App Developer ✅ 150+ Mobile Apps completed on upwork & other platform With extensive experience in Flutter, Dart, Firebase, REST APIs, and backend creation using node js, I build cross-platform applications that run seamlessly on Android, iOS, Tablets, and Web using a single codebase, reducing development costs while maintaining native-like performance. I have strong experience in AI Mobile App Development, Hybrid Mobile App Development, Native App Development, and Flutter App Development for startups, enterprises, and businesses. 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞:- ◉ Saas App ◉ Logistic & Fuel Delivery App ◉ Fleet Management App ◉ Ecommerce App & Shopping App ◉ Online Dating App ◉ Food Delivery App,Grocery Delivery App ◉ Restaurant & Cafe App ◉ Taxi App ◉ On-Demand Home Services App ◉ Bakery, Café & Restaurant Management Apps ◉ Chat ,Messaging & video calling App ◉ Social Media App ◉ Real Estate App ◉ Beauty Services & Salon Appointment Booking App ◉ Event Planning & Booking Apps 🔹 𝐂𝐚𝐩𝐚𝐛𝐢𝐥𝐢𝐭𝐢𝐞𝐬: 𝐂𝐮𝐬𝐭𝐨𝐦 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 – Flutter, Android (Java/Kotlin), iOS (Swift/Objective-C),TReact Native 𝐂𝐫𝐨𝐬𝐬-𝐏𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐒𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 – High-performance apps for both Android & iOS with single codebase 𝐒𝐨𝐜𝐢𝐚𝐥 𝐌𝐞𝐝𝐢𝐚 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 – Facebook, Google, Apple, Instagram, YouTube logins & APIs 𝐏𝐚𝐲𝐦𝐞𝐧𝐭 & 𝐒𝐮𝐛𝐬𝐜𝐫𝐢𝐩𝐭𝐢𝐨𝐧 𝐒𝐲𝐬𝐭𝐞𝐦𝐬 – PayPal, Stripe, Razorpay, Google Pay, Apple Pay, In-App Purchases, RevenueCat 𝐂𝐡𝐚𝐭, 𝐌𝐞𝐬𝐬𝐚𝐠𝐢𝐧𝐠 & 𝐂𝐚𝐥𝐥𝐢𝐧𝐠 – Real-time chat, audio/video calls, live streaming with Socket, Firebase, Twilio, Agora 𝐋𝐨𝐜𝐚𝐭𝐢𝐨𝐧-𝐁𝐚𝐬𝐞𝐝 𝐒𝐞𝐫𝐯𝐢𝐜𝐞𝐬 – Google Maps, Places API, real-time tracking, geolocation 𝐀𝐈 & 𝐌𝐚𝐜𝐡𝐢𝐧𝐞 𝐋𝐞𝐚𝐫𝐧𝐢𝐧𝐠 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧 – ChatGPT, OpenAI 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 & 𝐀𝐏𝐈𝐬 – Node.js, Laravel, PHP, REST/GraphQL APIs 𝐒𝐞𝐜𝐮𝐫𝐢𝐭𝐲 & 𝐀𝐮𝐭𝐡𝐞𝐧𝐭𝐢𝐜𝐚𝐭𝐢𝐨𝐧 Two-Factor Authentication (2FA), OAuth, Twilio, Mailgun 𝐐𝐑 & 𝐁𝐚𝐫𝐜𝐨𝐝𝐞 𝐅𝐞𝐚𝐭𝐮𝐫𝐞𝐬– Custom generation, scanning, payment solutions With strong expertise in Flutter, Node.js, and full-stack development, I focus on delivering reliable, high-quality, and scalable solutions. I have hands-on experience with Firebase, push notifications, in-app purchases, payment integrations, maps, and API-based applications. Client satisfaction and clean, efficient code are always my top priorities. I am confident that I can deliver the results you need for your project. I also offer a free 15-20 minute consultation to refine your idea, recommend the right tech stack, and outline potential scaling costs—so you can make informed decisions with clarity. 🚀If you’re looking for a developer who understands your product, takes ownership, communicates clearly, and builds for the long term—let’s connect. Warm Regards Nishant Bhardwaj Highlighted Skills :- Flutter Developer | Flutter Expert | Mobile App Developer | iOS Developer | Android Developer | Cross-Platform App Development | Mobile app development services in India | Affordable app developers near me | | AI App Developer | AI mobile app development services | expense tracker app | custom mobile app development | cross-platform app development | Ai Mobile App Developer | Flutter App Developer | mobile app builder | mobile app creation | create mobile app | mobile app professionals | mobile app development company | software company | app development agency | iOS and Android app development | Mobile App Development for Startups | Mobile App Development for Enterprises | Mobile App Design | Dating App Development | E-commerce Mobile App | Healthcare App Development | Fitness App Development | MVP app developer | MVP App Development | Phone Application Programmer

I help startups and businesses build Flutter & React Native mobile apps for iOS and Android — from idea to App Store and Play Store launch — with clean code, clear communication, and reliable delivery. I specialize in end-to-end Flutter and React Native app development — handling everything from architecture and UI to backend APIs, Firebase integration, testing, and deployment to App Store and Play Store. What I can help you with- ✅ Flutter & React Native mobile app development (iOS & Android) ✅ Swift (iOS) and Kotlin (Android) native app development ✅ Firebase, REST API & third-party integrations (Twilio, Google Maps, Push Notifications, Social Login, In-App Purchases) ✅ MVP development for startups — from wireframe to live app ✅ Backend systems with Node.js, Laravel, or custom APIs ✅ Performance, security, and scalability improvements My approach- ✅ Clear requirements & realistic timelines ✅ Clean, maintainable architecture ✅ Regular updates & transparent communication ✅ Long-term thinking, not quick hacks Industries & platforms I've worked on 👇 Mobile Apps (Flutter / React Native / Swift / Kotlin): Food delivery, taxi booking, health & fitness, education, e-commerce, social apps, music, restaurant management Web & Software Platforms: ERP, CRM, inventory systems, POS, booking platforms, marketplaces, real estate, SaaS products I've worked on 100+ projects, helping clients turn ideas into stable, production-ready apps that are easy to maintain and scale. If you're looking for a developer who takes full ownership of your product through the complete mobile app development lifecycle — let's talk. All discussions are kept confidential and can be covered under NDA.

Are you looking for a Mobile app developer who can design and develop your app for the next millions of users? ARE YOU - Looking for a mobile app development service starting from the design, development to release and publish a mobile app to Play Store and App Store for mobile app users/customers. - Looking for a mobile app developer who can integrate new features into your existing Android app, iOS app or Flutter app based projects? - Individual | Big company | Startup who wants to build and create Android app or iOS app from scratch? - Looking for a mobile app developer who can transform your idea into reality? - Someone who invests in the best so you get better results? If any of that is what you need, message me and I am here to help you. Who am I? - I'm Sagarkumar Surani, a Senior Mobile App Developer with 10+ years of experience and a Master’s degree in Computer Science and Engineering. - I worked with big brands, startups and individuals to create mobile apps for their requirements. My work also got featured a few times in the market store. Apps developed by me have 100 million+ downloads on store and users love to keep the app on their phone as a permanent app. - I’ve worked with clients from over 40 countries, such as the USA, UK, Germany, India, and Australia, which has given me a strong understanding of different international markets. My experience covers a variety of industries, including Travel and Tourism, train ticket booking, transport, educational, hospitality, health & wellness, real estate, live streaming, Marketplace, food & delivery, human resources, fitness, financial & banking sectors, e-commerce, dating, sports, Betting, music/audio, and automotive. I specialize in these high-quality Mobile App Design and Development areas: - Android app development - Kotlin, Java, Android SDK, Android Studio - iPhone app development - Swift, SwiftUI, Objective C, iOS SDK, Xcode - Backend Development | Node.js - Cross Platform Mobile App Development using Flutter, Dart - UI/UX: Mobile design - Mobile & Web app design - UX/UI design - Landing page design Skills : - Have experience developing, releasing & maintaining applications as a Mobile app developer - Strong skills in executing pixel & animation perfect UI's relative to good app performance - Have great communication skills and ability to work with your team - Have a great understanding of MVC, MVP, MVVM and take great care to ensure each project is well-architecture with best practices and easily maintainable so it can be enhanced as feature grows. - The ability to take initiative and work independently with very little supervision - Application requirement analysis - Translating requirements to technical languages In addition to Mobile app development services, my topic areas of expertise include: - Mobile Application Architect - Native Mobile Application Development consultation - Mobile Application UI/UX design using Figma, Adobe XD - Mobile Application backend services Firebase, AWS Mobile Hub - Mobile Application backend development: Node, Express, TypeScript, JavaScript, MongoDB, MySQL, PHP, RESTful API development, Google App Engine - Website development, Web Scraping, Web Admin Panel, CMS Development - Chatbot development, Facebook Messenger If you still think this is right for you, contact me. Thank you in advance for your time and consideration. Kind Regards Sagarkumar Surani P.S. - When you work with me your satisfaction is 100% guaranteed. - Every person who ever worked with me got results. EVER! - Even if you don’t hire me now, keep my profile link in case you need a Mobile App Developer later. FAQ Q: Can you provide maintenance support after development? A: Yes, I provide free of cost maintenance support for 12 months after mobile app development. Q: Can you help with Mobile app design? A: Yes, I offer a Mobile app UX design as an additional service. Q: Can you help with the landing page website for my mobile app product? A: Yes, I can help to build the landing page for a mobile app product. Warmly, Sagarkumar Surani ----------------------------------------------------- Native Android App Developer, iOS App Developer, Cross-Platform Flutter App Developer, Top Flutter Developer, React Native, Hire Best MERN Stack Developer, RESTful API Developer, API Integration, Frontend Developer, React.js, Backend Developer, Nodejs, Javascript, Figma, UI/UX Design, Prototype, In-app purchases, Location, Payment Gateway Integration, Apple Xcode, Android Studio, Push notifications, User authentication, User profile creation, QA, Unit Testing, Regression Testing, Dating App, Ecommerce App, RevenueCat, Adapty, 3rd Party SDK Integration, SQLite, MySQL, Firebase Cloud Firestore, Realtime Database, Kotlin, Swift, Java, Dart, SwiftUI, Twilio, Mapbox, HealthKit, Google Analytics, Amazon Web Services, DigitalOcean, Core Data, UIKit, MapKit, Phone, Full Stack Developer, iPad, OpenAI ChatGPT LLM, ChatGPT API Integration .

🚀 The Top 3% of Talent in Mobile & AI-Powered Product Development 🤖 AI-Driven Mobile Engineer Building Apps That Scale Beyond MVP ⚡ AI-Assisted Engineering for Faster Delivery & Higher Product Quality 👉 WHAT YOU GET ✔️ Full Stack Mobile Developer - 22+ years experience, 2000+ builds, $700K+ client impact, end-to-end development ownership. ✔️ React Native Mobile App & Flutter Developer - 100+ interfaces, 18–27% user engagement lift, clarity and ultimate trust. ✔️ Mobile Application Developer - 30–40% faster launch cycles, cleaner UI/UX, stronger user retention across SaaS Mobile App ecosystems. 👉 ACHIEVEMENTS ✔️ 22+ years, 40,000+ hours, 2000+ products delivered as a full stack mobile developer, mobile app developer, and senior full stack developer ai and mobile application developer workflows. ✔️ $700K+ client impact, $900K+ direct revenue, 200+ successful MVPs, £11M annual business volume generated as a top-performing mobile app development expert. ✔️ 100,000+ active users where a custom react native mobile app developer execution lifted repeat engagement by 27% on a popular festival companion app. ✔️ 10,000+ users in Healthcare Platform and HIPAA-compliant systems where mobile application developer architecture cut clinical data friction by 40% using an intuitive doctor directory website interface. ✔️ 2,423 completed mobile orders, 34% faster handling in E-commerce Marketplace App and Fintech Platform deployments as a full stack developer. ✔️ 90% faster background sync, 80% lower crash workload, 65% fewer endpoint errors through API Integration, automated Stripe integration, and Flutter developer performance fixes. ✔️ 5–8 weeks shorter Startup MVP to Pilot Launch, 35% fewer critical production bugs through legacy code refactoring and clean continuous development pipelines. 👉 WHERE I DELIVER ✔️ As a mobile app developer - 200+ systems with pixel-perfect mobile app design, automated push notifications, and UI/UX design and development across SaaS Mobile App and Enterprise Mobile App architectures. ✔️ As an experienced mobile app developer - 15+ years of cross-platform engineering, delivering 30–40% faster iteration cycles for teams that need both iOS and Android apps from scratch. ✔️ As a full stack developer - 50+ end-to-end mobile + web platform setups with secure Node.js backend architecture, REST API deployment, and database scaling from Early-Stage MVP to live production. ✔️ As a react native mobile app specialist - building responsive mobile app react native mobile components for cross-platform app deployment, ensuring native-like feel across both iOS and Android. ✔️ As an AI App developer & AI Developer - leveraging cutting-edge ai platform development, ai development, and ai mobile development to build smart assistants, audio transcription apps, and image/vision processing products. ✔️ As a backend developer and javascript developer - writing highly maintainable server code in Node.js, Express, NestJS, and PHP (Laravel) with robust database integration via MongoDB, PostgreSQL, and Firebase/Supabase. ✔️ As a full stack mobile developer - driving ongoing support and maintenance, optimizing systems to fix bugs and improve performance with a dedicated team mindset. 👉 INDUSTRY IMPACT ✔️ Marketplace App & E-commerce - thousands of item listings, 20%+ higher checkout conversion as a mobile application developer and full stack developer. ✔️ Healthcare Platform & Telehealth - clinic workflows, 25%+ better data processing security as a senior mobile app developer. ✔️ AI Mobile App & AI Platform Development - OpenAI & Claude API smart integrations, automated recommendations, and custom conversational interfaces as an AI App developer. ✔️ Fintech Platform & SaaS Mobile App - secure in-app purchases, mobile subscriptions, multi-role access control, and seamless Stripe payment integrations. ✔️ Enterprise Mobile App & Workflow Automation - customized real-time chat, location-tracking (GPS/Google Maps), and mobile app + admin panel management tools. 👉 HOW I BUILD ✔️ 22+ years as a mobile app developer: built with cross-platform and native ecosystems using Swift, Kotlin, Java, Flutter, React Native, and native app infrastructure optimized for smartphone form factors. ✔️ 15+ systems as a full stack developer: powered by Node.js, Express, NestJS, PHP (Laravel), TypeScript, REST API protocols, GraphQL, Firebase, Supabase, Firestore, PostgreSQL, and MongoDB. ✔️ 40+ products engineered with a dedicated team mindset: utilizing clean Git version control, secure AWS cloud envicloud environments, Docker containers, and rigorous usability testing to publish app to App Store and Google Play smoothly. Looking for an elite Senior Mobile & Full Stack Developer who can build an app from scratch, create a mobile application with premium UX, or handle complex product development for long-term collaboration? Let's connect! Send an invite and let’s talk about your project goals. ☎️

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.

𝗕𝘂𝗶𝗹𝗱 𝘀𝗰𝗮𝗹𝗮𝗯𝗹𝗲, 𝗵𝗶𝗴𝗵 𝗽𝗲𝗿𝗳𝗼𝗿𝗺𝗮𝗻𝗰𝗲 𝗺𝗼𝗯𝗶𝗹𝗲 𝗮𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻𝘀 𝘁𝗵𝗮𝘁 𝘂𝘀𝗲𝗿𝘀 𝗹𝗼𝘃𝗲 𝗮𝗻𝗱 𝗯𝘂𝘀𝗶𝗻𝗲𝘀𝘀𝗲𝘀 𝗰𝗮𝗻 𝗴𝗿𝗼𝘄 𝘄𝗶𝘁𝗵. Are you looking for a mobile app developer who can take your idea from concept to App Store and Play Store deployment while maintaining quality, performance, and long term scalability? I help startups, founders, and businesses build modern mobile applications for iOS and Android using Flutter, React Native, native technologies, and scalable backend solutions. With 10+ years of mobile development experience, I have worked with businesses across more than 20 countries and delivered applications in industries including healthcare, education, food delivery, real estate, logistics, finance, travel, marketplaces, AI products, social networking, fitness, and ecommerce. If you need an experienced developer who understands both business goals and technical implementation, I can help. ▶ 𝗦𝗘𝗥𝗩𝗜𝗖𝗘𝗦 𝗜 𝗣𝗥𝗢𝗩𝗜𝗗𝗘 ✔ Cross Platform Mobile App Development ✔ Flutter Mobile App Development ✔ React Native App Development ✔ Native Android Development ✔ Native iOS Development ✔ FlutterFlow Development ✔ Mobile App UI UX Design ✔ MVP Development ✔ App Modernization and Refactoring ✔ Existing App Improvements ✔ Bug Fixing and Maintenance ✔ App Store Deployment ✔ Google Play Store Deployment ✔ Mobile Backend Development ✔ API Development and Integration ✔ Firebase Development ✔ AI Chatbot Integration ✔ OpenAI Integration ✔ Admin Panel Development ✔ CMS Development ✔ Web Dashboard Development ▶ 𝗠𝗢𝗕𝗜𝗟𝗘 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗜𝗘𝗦 ✔ Flutter ✔ Dart ✔ React Native ✔ JavaScript ✔ TypeScript ✔ Kotlin ✔ Java ✔ Swift ✔ SwiftUI ✔ Objective C ▶ 𝗕𝗔𝗖𝗞𝗘𝗡𝗗 𝗧𝗘𝗖𝗛𝗡𝗢𝗟𝗢𝗚𝗜𝗘𝗦 ✔ Node.js ✔ Express.js ✔ Firebase ✔ Firestore ✔ Realtime Database ✔ MongoDB ✔ MySQL ✔ REST APIs ✔ AWS ✔ Authentication Systems ▶ 𝗙𝗘𝗔𝗧𝗨𝗥𝗘𝗦 𝗜 𝗖𝗢𝗠𝗠𝗢𝗡𝗟𝗬 𝗕𝗨𝗜𝗟𝗗 ✔ User Authentication ✔ Social Login ✔ Push Notifications ✔ Payment Gateway Integration ✔ In App Purchases ✔ Maps and Geolocation ✔ Booking Systems ✔ Chat and Messaging ✔ Video Streaming ✔ Subscription Systems ✔ Marketplace Functionality ✔ Order Tracking ✔ Analytics Integration ✔ Offline Support ✔ Multi Language Applications ▶ 𝗧𝗬𝗣𝗘𝗦 𝗢𝗙 𝗔𝗣𝗣𝗟𝗜𝗖𝗔𝗧𝗜𝗢𝗡𝗦 ✔ Food Delivery Apps ✔ Ecommerce Apps ✔ Marketplace Apps ✔ Healthcare Apps ✔ Fitness Apps ✔ Education Apps ✔ Real Estate Apps ✔ Social Networking Apps ✔ Logistics Apps ✔ FinTech Apps ✔ Booking Platforms ✔ On Demand Service Apps ✔ AI Powered Applications ▶ 𝗪𝗛𝗬 𝗖𝗟𝗜𝗘𝗡𝗧𝗦 𝗪𝗢𝗥𝗞 𝗪𝗜𝗧𝗛 𝗠𝗘 ✔ Clean and maintainable code ✔ Scalable architecture ✔ Pixel perfect UI implementation ✔ Strong communication throughout projects ✔ Fast response times ✔ Reliable delivery schedules ✔ Long term maintenance support ✔ Business focused solutions ✔ Transparent project updates ✔ Quality assurance and testing ▶ 𝗗𝗘𝗩𝗘𝗟𝗢𝗣𝗠𝗘𝗡𝗧 𝗔𝗣𝗣𝗥𝗢𝗔𝗖𝗛 ✔ Requirement analysis ✔ Product planning ✔ UI UX design review ✔ Architecture planning ✔ Development and testing ✔ Performance optimization ✔ Deployment support ✔ Post launch maintenance ▶ 𝗧𝗢𝗢𝗟𝗦 𝗔𝗡𝗗 𝗣𝗟𝗔𝗧𝗙𝗢𝗥𝗠𝗦 ✔ Android Studio ✔ Xcode ✔ Visual Studio Code ✔ Firebase Console ✔ Figma ✔ GitHub ✔ Bitbucket ✔ Postman ✔ RevenueCat ✔ Adapty ✔ Stripe ✔ Twilio ✔ Mapbox ✔ Google Analytics If you are planning to build a new mobile application, improve an existing product, or launch an MVP quickly, feel free to get in touch. I would be happy to discuss your project requirements and recommend the best technical approach for your goals. KEYWORDS: Flutter Developer, Mobile App Developer, React Native Developer, FlutterFlow Developer, iOS Developer, Android Developer, Firebase Developer, Dart Developer, Swift Developer, Kotlin Developer, Node.js Developer, API Integration, AI App Development, OpenAI Integration, ChatGPT Integration, Mobile UI UX Design, Cross Platform Development, Marketplace App Development, Ecommerce App Development, Healthcare Applications, FinTech Applications, Food Delivery Apps, Real Estate Apps, GPS Tracking Applications, Payment Gateway Integration, Push Notifications, Firebase Firestore, AWS Backend Development, Admin Panel Development, App Store Deployment

𝟭𝟬+ 𝗬𝗲𝗮𝗿𝘀 𝗘𝘅𝗽𝗲𝗿𝗶𝗲𝗻𝗰𝗲 | 𝟭𝟬𝟬% 𝗝𝗼𝗯 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 | 𝟯𝟬+ 𝗔𝗽𝗽𝘀 𝗗𝗲𝗹𝗶𝘃𝗲𝗿𝗲𝗱 Hi, I am Darshan — a Senior Mobile App Developer specializing in building high-performance, scalable, and user-friendly applications for Android, iOS, and cross-platform environments. I help startups and businesses turn ideas into powerful mobile apps that are fast, secure, and built to scale. 💡 𝗪𝗵𝗮𝘁 𝗜 𝗯𝗿𝗶𝗻𝗴 𝘁𝗼 𝘆𝗼𝘂𝗿 𝗽𝗿𝗼𝗷𝗲𝗰𝘁: • Native & Cross-Platform Development (Swift, Kotlin, Flutter, React Native) • Clean Architecture (MVVM, MVC) for long-term maintainability • Seamless API Integration (REST, GraphQL, Firebase) • AI-powered features using OpenAI & modern ML solutions • Real-time Chat, Video/Audio Calling (Firebase, Twilio, Agora) • Secure Payment Integration (Stripe, Razorpay, Apple Pay, Google Pay) • Location-based services (Google Maps, GPS tracking) • App Store & Play Store deployment with full compliance 📱 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗵𝗮𝘃𝗲 𝘄𝗼𝗿𝗸𝗲𝗱 𝘄𝗶𝘁𝗵: E-commerce • Healthcare & Telemedicine • Fintech & Banking • Travel & Hospitality • Education & E-learning • On-Demand Services • Social Networking & Community Apps • Real Estate & Property Tech • Food Delivery & Restaurant Solutions • Logistics & Transportation • Ride-Hailing & Mobility • Fitness & Wellness • Beauty & Salon Services • Event Management & Booking • Media & Entertainment • SaaS Platforms & Business Tools • Marketplace Apps (B2B & B2C) • Smart Home & IoT Applications 🚀 What you can expect: • Clean, scalable, and well-documented code • Fast communication & reliable delivery • Focus on performance, UX, and business goals • Long-term support and optimization Whether you need a full app from scratch, feature upgrades, or bug fixes — I can help you deliver a polished, production-ready product. Let’s discuss your idea and turn it into a successful mobile app. Best regards, Darshan App | Mobile App Development | Android App | iOS App | Native Android App | Native iOS App | Kotlin Android App | Swift iOS App | Objective-C iOS Developer | Flutter Mobile App | React Native Mobile App | Cross-Platform App Developer | Hybrid Mobile App Developer | Android App Development | iOS App Development | Android UI/UX Design | iOS UI/UX Design | MVVM Android Architecture | MVC iOS Architecture | Mobile App with REST API | Mobile App with GraphQL | API Integration Flutter | Google Play Store App | Apple App Store App | Android App Deployment | iOS App Deployment | Firebase Android App | Firebase iOS App | Google Maps API Android | Google Maps API iOS | Booking App Android | Booking App iOS | E-commerce Android App | E-commerce iOS App | Location-Based Android App | Location-Based iOS App | AI Mobile App Developer | Artificial Intelligence App Development | Machine Learning App Integration | AI App Developer | AI Solutions for Mobile Apps | Flutter Developer | Flutter App Developer | Android App Developer | iOS App Developer | Cross-Platform Mobile Developer | Hybrid App Developer | Mobile App Developer | Senior Mobile App Developer | app developer | mobile app | Top rated developer | Android | iOS | React Native | Flutter | app | Native app development |

𝐇𝐞𝐫𝐞'𝐬 𝐭𝐡𝐞 𝐝𝐞𝐚𝐥: Share your idea, and we’ll turn it into a functional, scalable, and beautifully designed app that solves real problems and generates revenue. 𝗛𝗼𝘄 𝗬𝗼𝘂𝗿 𝗣𝗿𝗼𝗷𝗲𝗰𝘁 𝗠𝗼𝘃𝗲𝘀 𝗙𝗿𝗼𝗺 𝗜𝗱𝗲𝗮 𝘁𝗼 𝗟𝗶𝘃𝗲 𝗣𝗿𝗼𝗱𝘂𝗰𝘁: Every project follows a clear, proven journey, divided into milestones: UI/UX design → Front-end development → Backend development → Deployment → Post-launch maintenance (8 weeks FREE) This ensures transparency, predictable delivery, and zero surprises. ---------------------------------------------- I offer a 𝗳𝗿𝗲𝗲 𝟯𝟬-𝗺𝗶𝗻𝘂𝘁𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻 to discuss and refine your idea, recommend the right tech stack, and forecast any ongoing costs as your user base grows, so you avoid surprises and make informed decision with clarity. ---------------------------------------------- Words from a recent client after working with us: (check more on my profile below) "Noman Razzaq 𝙞𝙨 𝙫𝙚𝙧𝙮 𝙥𝙧𝙤𝙛𝙚𝙨𝙨𝙞𝙤𝙣𝙖𝙡 𝙖𝙣𝙙 𝙞𝙨 𝙖𝙡𝙬𝙖𝙮𝙨 10 𝙨𝙩𝙚𝙥𝙨 𝙖𝙝𝙚𝙖𝙙 𝙤𝙛 𝙠𝙣𝙤𝙬𝙞𝙣𝙜 𝙬𝙝𝙖𝙩 𝙩𝙝𝙚 𝙗𝙪𝙞𝙡𝙙 𝙣𝙚𝙚𝙙𝙨. 𝙒𝙚 𝙖𝙧𝙚 𝙘𝙤𝙣𝙩𝙞𝙣𝙪𝙞𝙣𝙜 𝙩𝙤 𝙬𝙤𝙧𝙠 𝙩𝙤𝙜𝙚𝙩𝙝𝙚𝙧 𝙖𝙣𝙙 𝙄 𝙝𝙖𝙫𝙚 𝙖𝙡𝙧𝙚𝙖𝙙𝙮 𝙧𝙚𝙘𝙤𝙢𝙢𝙚𝙣𝙙𝙚𝙙 𝙝𝙞𝙢 𝙩𝙤 𝙤𝙩𝙝𝙚𝙧 𝙘𝙤𝙢𝙥𝙖𝙣𝙞𝙚𝙨." ⭐⭐⭐⭐⭐ - Bill Kocjancic 𝙁𝙤𝙪𝙣𝙙𝙚𝙧 𝙈𝙚𝙨𝙢𝙚𝙧 (𝙐𝙣𝙞𝙩𝙚𝙙 𝙆𝙞𝙣𝙜𝙙𝙤𝙢) ---------------------------------------------- I've majored in software engineering, and I've used a myriad of technologies to help various businesses create mobile apps that have generated millions in revenue. Over the past 5+ years, I have developed a wide range of iOS and Android mobile apps. ✅ Food delivery app ✅ Ride booking app (like Uber) ✅ Real estate listing app (Like Airbnb) ✅ Social media mobile app (like TikTok/Instagram) ✅ Startups/Investment management mobile app ✅ Wellness mobile app ✅ Fitness and Nutrition mobile app (like CalAI, MyFitnessPal) ✅ Sports mobile app ✅ E-commerce mobile app ✅ Language Learning Mobile App (Like Duolingo) ✅ Event management mobile app ✅ Grocery/Meal Planning mobile app ✅ Freelance mobile app ✅ Service Booking Mobile App (Home/HVAC) ✅ Inventory Management Mobile App ✅ Learning Management Mobile App ✅ Appointment Booking Mobile App (Salon/Doctor) ✅ Venue Booking Mobile App (Sports/Events) ✅ Task Management Mobile App (Project Management/To-Do) ✅ On-Demand Custom Mobile Apps ---------------------------------------------- As your 𝘁𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗽𝗮𝗿𝘁𝗻𝗲𝗿, I go above and beyond to ensure your app’s success, from concept to launch. What I Also Bring Beyond Development: → Technology & architecture consulting → Product roadmap & feature prioritization → Help you understand any possible ongoing costs with the project → Cost-effective tech stack selection with long-term cost planning → Scalability strategy as your user base grows → Technical support during investor or stakeholder discussions ---------------------------------------------- 𝗠𝗮𝗶𝗻𝘁𝗲𝗻𝗮𝗻𝗰𝗲 & 𝗟𝗼𝗻𝗴-𝗧𝗲𝗿𝗺 𝗦𝘂𝗽𝗽𝗼𝗿𝘁 I provide free post-delivery support for 8 weeks, followed by flexible maintenance plans based on your product needs, usage scale, and future roadmap, always discussed transparently. ---------------------------------------------- 🚀 If you’re looking for someone who understands your product, owns outcomes, communicates clearly, and thinks long-term, let’s connect and build something solid. ❗❗ Check out my portfolio! ❗❗ Highlighted Skills: Full Stack Developer | Expert Full Stack Developer | Full Stack Mobile App Developer | Full Stack AI Developer | Expert Full Stack Mobile App Developer | Mobile Developer | iOS Developer | Android App Developer | Mobile App Development | Cross platform development | AI App Developer | AI App | Mobile Developer | App Developer | Mobile App Development Consultation | IT Consultation | App Developer | AI App Developer | iOS App Development | iOS App | Android App Development | Hybrid App development | Mobile App Development Consultation | Flutter | Firebase | Dart | Flutter Dart | Flutter Firebase | iOS Development | Android App Development | Smartphone | User Authentication | In App Purchases | API Integration

𝙈𝙤𝙨𝙩 𝙖𝙥𝙥𝙨 𝙛𝙖𝙞𝙡 𝙣𝙤𝙩 𝙗𝙚𝙘𝙖𝙪𝙨𝙚 𝙤𝙛 𝙗𝙖𝙙 𝙞𝙙𝙚𝙖𝙨 - 𝙗𝙪𝙩 𝙗𝙚𝙘𝙖𝙪𝙨𝙚 𝙤𝙛 𝙗𝙖𝙙 𝙚𝙭𝙚𝙘𝙪𝙩𝙞𝙤𝙣. I've spent 10+ years making sure that doesn't happen. I'm Jay - a mobile and web app developer specializing in AI-powered applications, native iOS and Android development, and cross-platform apps using React Native and Flutter. I hold a 100% Job Success Score and have maintained Top Rated Plus status on Upwork for over 8 consecutive years. I don't just write code. I think through your product, challenge weak assumptions early, and build things that actually hold up in the real world. My edge? I've delivered projects across enough domains - health, fintech, social, ecommerce, sports, media, edtech - to know what works before we write a single line. And right now, my sharpest focus is on AI-powered mobile and web applications: products that don't just look smart, but genuinely behave that way. 𝙒𝙝𝙖𝙩 𝙄 𝙗𝙪𝙞𝙡𝙙: - AI and Intelligent Apps - LLM integrations, computer vision, automation pipelines, OpenAI, custom AI workflows - Native iOS Development - Swift | SwiftUI | Objective-C | Xcode - Native Android Development - Kotlin | Java | Android Studio - Cross-Platform Apps - React Native | Flutter - Web Development - React.js | Next.js | HTML/CSS - Backend and API Development - Python (FastAPI, REST) | Node.js | Express.js | Laravel - Database and Cloud - PostgreSQL | MongoDB | Firebase | AWS | Google Cloud | Azure 𝙒𝙝𝙖𝙩 𝙬𝙤𝙧𝙠𝙞𝙣𝙜 𝙬𝙞𝙩𝙝 𝙢𝙚 𝙖𝙘𝙩𝙪𝙖𝙡𝙡𝙮 𝙡𝙤𝙤𝙠𝙨 𝙡𝙞𝙠𝙚: No ghosting. No vague updates. No surprises at the finish line. I follow Agile Scrum methodology, communicate proactively, and treat your deadline like it's mine - because my reputation depends on it. And if your project needs more firepower - I also run a 75+ 𝙥𝙚𝙧𝙨𝙤𝙣 𝙙𝙚𝙫𝙚𝙡𝙤𝙥𝙢𝙚𝙣𝙩 𝙖𝙜𝙚𝙣𝙘𝙮. Same standards, bigger bandwidth. Whether it's just me or a full dedicated team, you get senior-level oversight and accountability at every stage. 8 𝙮𝙚𝙖𝙧𝙨 𝙤𝙛 𝙏𝙤𝙥 𝙍𝙖𝙩𝙚𝙙 𝙋𝙡𝙪𝙨 𝙙𝙤𝙚𝙨𝙣'𝙩 𝙝𝙖𝙥𝙥𝙚𝙣 𝙗𝙮 𝙖𝙘𝙘𝙞𝙙𝙚𝙣𝙩. If you're serious about building something that works - hit "Invite Now." Let's talk.

I help startups and businesses build high-performance mobile applications for iOS and Android using Flutter, Firebase, and Node.js. Over the years, I've worked on booking platforms, telematics systems, real-time tracking applications, marketplaces, wellness apps, and AI-powered products. My focus is not just writing code but delivering mobile apps that are scalable, reliable, and ready for production. What I Can Help You Build ✔ Cross-platform mobile apps with Flutter ✔ MVP development for startups ✔ Firebase Authentication, Firestore & Cloud Functions ✔ REST APIs & Node.js backends ✔ Google Maps, GPS Tracking & Geolocation ✔ Push Notifications (FCM) ✔ Real-time Chat & Live Data Applications ✔ Payment Gateway Integration (Stripe, PayPal, In-App Purchases) ✔ FlutterFlow Development & Custom Code Extensions ✔ AI Integrations using OpenAI & Claude APIs ✔ App Store & Google Play Deployment Recent Projects Telematics Tracking Platform Real-time vehicle tracking GPS monitoring Driver activity tracking Cross-platform Flutter application LINES Real-time nightlife and event platform Custom APIs Redis caching High-performance backend architecture Stayhopper Hotel and apartment booking application Payment integrations Booking workflows Mobile-first experience Pet Care Platform Community-driven mobile application Location-based services User-generated content Firebase backend Why Clients Hire Me ✓ Top Rated Upwork Freelancer ✓ Proven track record with Flutter & Firebase projects ✓ Strong communication and project ownership ✓ Clean, maintainable code ✓ Focus on performance and user experience ✓ Long-term support after launch If you're looking for a developer who can take your idea from concept to App Store and Google Play release, let's discuss your project.