✅ Expert-Vetted by Upwork (Top 1%) ✅ 8+ years of Mobile App Development ✅ 20000+ Upwork hours | 86+ successful jobs ✅ 100% Job Success Score ✅ 91+ mobile & web projects delivered ✅ Flutter, React Native, Kotlin, Swift, UI/UX expert ✅ Proven impact: apps with millions of downloads & high ROI 👋 I'm a Senior Mobile Developer with over 8 years of experience helping startups and enterprises bring their app ideas to life. From iOS and Android to full-scale cross-platform solutions using Flutter and React Native — I deliver high-performance mobile applications designed to scale, engage users, and grow revenue. I've led teams of 15+ developers on enterprise-grade solutions and built MVPs for founders that went on to raise investment and scale to thousands of users. Whether you’re launching your first product or modernizing an existing one — I’ll help you make it real, robust, and ready for growth. 🧩 What I Can Do For You As a dedicated Mobile App Developer and Full Stack Solution Architect, I offer full-cycle development: —from idea & architecture, to scalable MVPs, intuitive UI/UX, app store deployment, and long-term support. 🛠 Tech Stack & Tools Mobile: React Native, Flutter, Swift, Kotlin, Java, Dart Frontend/Backend: TypeScript, Laravel, Firebase, Node.js, REST APIs DevOps: AWS, CI/CD pipelines, GitHub Actions, Docker, Terraform 3rd Party: Apple HealthKit, Stripe, ChatGPT API, WebRTC, PayPal, MQTT UI/UX: Figma, Adobe XD, custom UX audits & flows SDKs: iOS SDK, Android SDK, TensorFlow, AWS SDK, Custom A/B SDKs 📱 Apps I’ve Delivered Ride Instructor Booking App Social Media & Dating Platforms On-Demand Delivery Services Investment & Finance Mobile Solutions Learning Management Systems Grocery & Inventory Management VPN Wrappers, AI Assistants & Audio Bots eSIM marketplaces and E-bike IoT apps Custom Admin Panels and Secure Dashboards 🌍 Industries I Serve Healthcare & Wellness E-Commerce & Retail EdTech & LMS FinTech & Investor Platforms Travel & Booking Apps Sports, Fitness & Events Blockchain, NFT, AI/ML-based Apps Ecology, Waste & Recycling Smartwatch + IoT platforms Telecommunications (eSIM, VoIP, VPNs) 💡 Real Impact — Real Cases Migrated legacy NativeScript app to React Native with full redesign and story-based features (Felloz, Croatia). Created an MVP for a tarot reading platform with AI-driven magic ball chat, camera vision, and animated UX (Tarotoo, Ukraine). Developed a smartwatch-integrated app for a UK-based security firm using Apple Watch for distress signaling. Delivered GrowthBook SDK, CI/CD-integrated, with full UnitTest coverage and release to SPM/CocoaPods (Open-source, USA). Reworked CarPlay integration for a mobility platform: custom routing, filtering, and Apple Maps integration (UAE). 📊 Highlights ✔️ Built full-stack mobile platforms with React Native, Swift, Kotlin, Flutter + Nest.JS, Firebase, Node.JS ✔️ Integrated ChatGPT API & DALL·E into production apps ✔️ Custom SDK development: Swift, Kotlin, TensorFlow, AWS ✔️ Delivered apps with integrated CI/CD pipelines and Unit Tests ✔️ Designed UX/UI flows that won Dribbble Awards ✔️ Supported MVPs that secured funding and scaled globally ✔️ Created Web + Mobile ecosystems for clients in over 15 countries ✔️ Delivered multilingual, accessible, and ADA-compliant applications ✔️ 5.0★ satisfaction across long-term clients on Upwork & Clutch 🤝 Why Work With Me I’m not just a develope r— I’m your technical partner, working closely with you to bring clarity to the process, speed to delivery, and value to your users. I offer transparent communication, future-proof architecture, and measurable results. 📌 Let’s build something scalable and impactful together. Message me now to discuss your next big app. 🔗 Portfolio and project links available upon request. Let’s build something exceptional.

🟢 AVAILABLE TODAY, 10.07 ⚡ Message me "AUDIT" - get a free 30-min Swift & iOS technical review of your app idea, architecture, or existing Swift codebase. No sales pitch. Just honest Swift engineering feedback. I'm Siarhei - Swift & Kotlin engineer, ex-CTO x 3 funded startups, CEO of Sparkler Soft. We build native iOS (Swift) and Android (Kotlin) products that ship, scale, and raise. 🔵 PROVEN RESULTS ◈ iHairium - AI Hair Diagnostics (Swift, live on App Store) Native Swift + Core ML neural network 100K+ training images, 95-98% accuracy $600K angel round + $5M seed valuation Revenue x10 to x1000 per month in early stages Google & Amazon grants, 1,000+ clinic partners onboarded ◈ Eco-Go - Electric Scooter Sharing Platform Swift (iOS) + Kotlin (Android) + Backend + IoT + Admin Panel AWS IoT Device Management, swappable battery infrastructure Named "Best Startup of the Region" ◈ BLE Wearable App (Swift + Kotlin, App Store + Google Play) HealthKit + Health Connect + RevenueCat subscriptions BLE background sync, AWS IoT Core Shipped on schedule, 5.0 client review ◈ Optics Platform (White-label, Strict NDA) Swift + Kotlin, AI-assisted frame & lens selection via device camera Active in 60+ countries, 1,000+ fitting points worldwide 10+ years on market, award-winning at international exhibitions ◈ Chibbis - Unified Food Delivery Service Swift (iOS) + Kotlin (Android) + Web + Admin Panel + CMS 600+ restaurants, 150+ cities One of the country's leading delivery platforms ◈ CoinForShop - Crypto Marketplace Swift (iOS) + Kotlin (Android) + Web (React) Non-custodial wallets, smart contract payments BTC, ETH, BCH, LTC, XMR, TRX, 100% MVP delivered ◈ Azarium - NFT Real Estate Investment Platform Swift + Kotlin, fractional property ownership via blockchain MAS-regulated, live construction webcam in-app Min investment from $200, expected ROI 30-60% 🟠 WHAT WE BUILD WITH SWIFT AND KOTLIN - Native iOS (Swift, SwiftUI, UIKit, Objective-C) - Native Android (Kotlin, Java) - Swift + Kotlin full product: app + backend + admin panel + CMS - HealthTech and AI - Swift Core ML, on-device neural networks, camera diagnostics - TensorFlow Lite, OpenCV, real-time image analysis in Swift - FinTech and Crypto - Swift + Kotlin wallets, KYC/AML, Stripe, smart contracts, NFT - Mobility and IoT - Swift + Kotlin: GPS, BLE, AWS IoT, scooter and bike sharing - Telematics, real-time fleet management - Marketplace and Delivery - Full-stack Swift + Kotlin: app + backend + admin panel + CMS - API Integrations - Stripe, Mapbox, Sumsub, Firebase, HealthKit, any third-party 🟡 SWIFT AND KOTLIN TECH STACK - Mobile: Swift, SwiftUI, Objective-C, UIKit, Kotlin, Java - Backend: Java Spring Boot, Node.js, NestJS, Golang - Frontend: React, Next.js - AI/ML: TensorFlow Lite, Core ML (Swift), OpenCV - Cloud: AWS, GCP, Azure, Docker, Kubernetes, CI/CD - Data: PostgreSQL, MongoDB, Redis, Elasticsearch - Security: OAuth2, OIDC, JWT, Keycloak, Biometrics, IAP (Swift StoreKit) 👉 Message "AUDIT" right now - 30 minutes to understand if our Swift and Kotlin team is the right fit. No obligation. No pitch. Just clarity.

I build scalable Android, iOS apps and fast MVPs that get real results (1M+ downloads). Senior Flutter Developer with 10+ years total experience & $600k+ earned on Upwork. ✅ Top Rated Plus on Upwork ✅ $600K+ earned | 159 jobs | 2500+ hours ✅ 100% Job Success Score ✅ Free 30-minute strategy consultation As a Senior Flutter Developer and Flutter Engineer, I create scalable, high-performance Flutter apps through expert Flutter development that delivers real user growth and business value. I also leverage FlutterFlow to accelerate development when speed is critical, and offer React Native as a strong secondary option for teams already invested in that ecosystem. I help startups and established businesses build production-ready mobile apps, fast MVPs, and feature-rich solutions with clean code, strong architecture, and excellent maintainability. 🚀 𝗣𝗿𝗼𝘃𝗲𝗻 𝗔𝗽𝗽 𝗦𝘂𝗰𝗰𝗲𝘀𝘀 - AWCC Asan – Cross-platform app with 1M+ downloads - Glossary Planner – Shopping & productivity app with 100K+ downloads - Temple Bliss – Lifestyle app with 20K+ downloads - Hitchhyke – Recently launched ride-sharing & ride hailing mobility platform (From MVP to scalable product) I focus on apps that users love and adopt long-term. 💡 𝗖𝗼𝗿𝗲 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲 - Cross-platform Flutter app development and Flutter application developer services (React Native when required) - Rapid MVPs and full-cycle development - AI integrations including ChatGPT integration and AI-powered chatbots - In-App Purchase (IAP) implementation and Reward & discounts systems - Firebase, Supabase for scalable backend - UX/UI Design focused on user retention - Thorough Testing and QA - App Store & Google Play deployment - Payments, Maps, Real-time features - REST/GraphQL APIs, Node.js backend support 🏭 𝗜𝗻𝗱𝘂𝘀𝘁𝗿𝗶𝗲𝘀 𝗜 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 - Ride-sharing, ride hailing & carpooling platforms (Uber-like & on-demand) - Food delivery and ordering apps - EdTech / Educational online tuition & tutorial apps / eLearning - Coaching platform development - Sports & fitness apps - E-commerce & marketplaces - Health & Fitness, HealthTech & Medical apps - Veterinary App development - Social Networking apps - Travel and tour apps - Music, podcast & video streaming apps - Hotel, restaurant, flight ticket & event booking apps - Weather applications - Loan app & Fintech solutions - HR & Media platforms 🏆 𝗥𝗲𝗰𝗼𝗴𝗻𝗶𝘁𝗶𝗼𝗻 & 𝗟𝗲𝗮𝗱𝗲𝗿𝘀𝗵𝗶𝗽 - Prize Winner – FYP Contest - Top Developer on Clutch (2022) - 10+ years experience delivering mobile products globally ⭐ 𝗪𝗵𝗮𝘁 𝗖𝗹𝗶𝗲𝗻𝘁𝘀 𝗦𝗮𝘆 ⭐⭐⭐⭐⭐ "After wasting time and money with other developers, we finally found a professional team. We're already building our third app together." 🤝 𝗪𝗵𝘆 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 - Agile methodology with transparent sprints - NDA signed when required - Business-oriented approach with clear communication - Long-term support post-launch Message me today to get a FREE 30-minute strategy session. Let's discuss your vision and map out the fastest path to launch a successful, scalable Flutter app that performs on App Store and Google Play. Highlighted Skills: Mobile App Development | Mobile App Developer | Mobile Application Developer | iOS App Developer | iOS Developer | Flutter Developer | Flutter App Developer | Flutter Mobile App Developer | Flutter Application Developer | Flutter Engineer | Flutter App Development | Flutter Development | Flutter Mobile App Firebase | Flutter Mobile App Dart | Flutter Laravel | Mobile Engineer | Full Stack Mobile App Developer | AI Mobile App Developer | AI Mobile App | AI ChatGPT Integration | In-App Purchase | React Native | React Native Mobile App Development | Ride-Sharing App | Ride Hailing App | Carpooling App | Food Delivery App | Reward and Discounts | E-commerce App | Sports App | Coaching Platform | Veterinary App | Health & Fitness App | Medical App | HealthTech | Social Networking App | Weather Application | Loan App | Travel and Tour App | Music Podcast & Video Streaming App | Hotel Restaurant Flight Ticket Event Booking App | EdTech | Educational Tutorial App | Mobile App Builder | Mobile App Development Consultation | Android Mobile App Developer | Hybrid Mobile App

👋 Welcome to my Upwork profile! I'm Kapoor Pankaj, a dedicated and versatile developer with a passion for crafting exceptional digital experiences. With a strong background in both AI and mobile/web development, I bring a unique blend of technical expertise and creative flair to every project I undertake. 🚀 Skills That Drive Results: 🤖 AI: ChatGPT-4, creating intelligent and interactive solutions. 📱 Mobile: Proficient in Native iOS (Swift, SwiftUI) and Native Android (Kotlin), Flutter, and React Native. 💻 Web: Skilled in React, Angular, Python (Django), and Laravel for user-friendly web interfaces with responsive designs. 🎨 Design: Adept at UI/UX design with a keen eye for aesthetics, using tools like Figma. 📊 Data: Experienced data analyst, translating raw information into actionable insights. ☁️ Cloud: Proficiency in AWS, Google Cloud, and Firebase for scalable and secure solutions. Our first call? Expect an in-depth Zoom discussion about your project, followed by a comprehensive plan based on your needs. If we're a good fit, let's move forward. If not, I can provide advice and referrals to ensure your project's success. 🚀 Workflow: 🎨 Understanding Your Vision: I start by closely collaborating with you to understand your project's goals and requirements. 📝 Design and Planning: Using my UI/UX expertise, I create design concepts that align with your vision and user expectations. 💻 Development: Leveraging the latest technologies, I bring designs to life with clean, efficient, and high-quality code. 🧪 Testing and Refinement: Rigorous testing ensures the functionality and performance of the application, followed by iterative refinements. 🗣️ Feedback and Collaboration: Transparent communication ensures that you're involved at every stage, and your feedback shapes the project. 🚀 Final Delivery: I deliver the finished product that meets your expectations and aligns with industry best practices. Specialize in: 💑 Dating app 📈 Custom ERP app 📱 Social media app 👥 Staff management app ⏱️ Time Tracking app 🎵 Music app 📹 Video Streaming app 📅 Calendars app 🛒 Grocery delivery app 🏢 Custom app for companies' internal use 💬 Chatting app 📷 Image Identification app 📅 Booking services 📱🔒 Phone lock app 👨‍👩‍👧‍👦 Parent control app 📚 Educational app 🧘‍♂️ Health and meditation app 📆 Appointment scheduling apps for service providers Tech-Stack We Use: 📱 Mobile Development: Android (Kotlin, Java, Flutter) iOS (Swift, Objective-C, Flutter, SwiftUI, UIKit) 🌐 Website Development: WordPress, Laravel, Vue.js, Angular, Python-Django, MERN Stack, React.js. 💻 Back-end Development: Laravel, Python, React.js, Firebase 📊 Database: MongoDB, MySQL, PostgreSQL, Firestore, Firebase Realtime Database, SQLite, RoomDB 🤝 Collaboration and Client Satisfaction: Client satisfaction is at the heart of everything I do. I believe in transparent communication, regular updates, and an iterative approach to development that keeps my clients in the loop and ensures their vision is brought to life. 🌟 Let's Create Something Amazing: Whether you need a cutting-edge AI-powered application, a sleek mobile app, a responsive website, or data-driven insights, I'm here to collaborate with you. Let's work together to transform your ideas into reality. Complexities simplified to ensure a smooth process while you focus on your business. Pricing: The cost varies based on project requirements. Message me directly for a free custom estimate. Turn your vision into a reality with me. Invite me now for high-quality mobile and web application development!

🚀 Scalable Solutions with React & Full Stack Development 🚀 📅 20+ years of experience & Master’s in Computer Science 👥 Leading a dedicated team of 25 software developers 📦 70+ completed production-ready projects 💰 $25M+ value generated through high-level architectural solutions With 20+ years of experience, I am a Full Stack Developer, Web Developer, and Mobile App Developer delivering scalable SaaS platforms, enterprise systems, and modern web development solutions for fintech, healthcare, marketplaces, logistics, and real estate industries. As the founder of a 25+ engineer software company, I lead teams building production-ready applications with clean architecture, high availability, and long-term scalability. Our team has successfully delivered 70+ production-ready projects supporting large user bases and helping businesses improve operational efficiency, scalability, and product delivery speed. We specialize in enterprise-grade SaaS platforms, React applications, backend systems, and cross-platform mobile app development. Every Full Stack Developer, React Native Developer, and Web Developer on my team is experienced in scalable frontend and backend architecture. We build robust React Node applications, business dashboards, APIs, marketplaces, and SaaS systems with clean, maintainable code. 💻 Core Technologies & Database Architecture Our core stack includes React.js, Next.js, Node.js, React Native, Flutter, PHP, Laravel, Python, TypeScript, Supabase, Firebase, PostgreSQL, MongoDB, and MySQL. As a React Native Developer and Mobile App Developer team, we create high-performance cross-platform mobile applications for iOS and Android with modern UI/UX and scalable backend infrastructure. As a Web Developer and Full Stack Developer, I design scalable database systems using MySQL, PostgreSQL, MongoDB, and Supabase with optimized schemas, secure APIs, and realtime functionality. We frequently deploy solutions on AWS, Google Cloud, and Vercel while ensuring scalability, security, and performance. We also provide complete web development services including frontend implementation, backend engineering, API integrations, cloud deployment, and DevOps workflows. Our experience includes enterprise SaaS systems, marketplaces, dashboards, PWAs, and mobile platforms. ⚡ AI Integration & Scalable Systems We specialize in AI-powered Full Stack solutions integrating OpenAI, ChatGPT, RAG systems, automation workflows, and AI APIs into modern web and mobile applications. As a Python Developer and AI-focused engineering team, we build intelligent backend services, AI assistants, automation systems, and scalable SaaS platforms. Whether modernizing legacy PHP systems, building React Native applications, or developing modern React Node SaaS products, we focus on scalable architecture and measurable business results. 👥 Delivering applications with 120K+ active users Our experience includes: • SaaS platforms & marketplaces • Enterprise dashboards & admin systems • AI-powered applications • Mobile app development • React Native development • Custom APIs & backend systems • Web development & frontend engineering • Realtime systems & cloud infrastructure • WordPress developer services for CMS-driven projects ⚙️ Additional Expertise React.js, Next.js, Vue.js, Svelte Node.js, PHP, Laravel, Python React Native Developer & Mobile App Developer solutions Flutter mobile applications Supabase, Firebase, PostgreSQL, MySQL, MongoDB AWS, Google Cloud, Vercel AI integrations & automation workflows MERN stack architecture API integrations & scalable backend systems 🤝 Why Work With Me ✔ 70+ completed production-ready projects ✔ Experienced Full Stack Developer & Web Developer team ✔ Strong React Native Developer and Mobile App Developer expertise ✔ Deep experience with scalable SaaS architecture ✔ Focus on performance, scalability, and clean code ✔ Long-term product development and technical leadership If you need a Full Stack Developer, Web Developer, Mobile App Developer, React Native Developer, Python Developer, or scalable SaaS engineering team — let’s connect. 👉 Click “Invite” or “Hire” and let’s discuss your project.

Most app developers take your money, vanish mid-project, and deliver code that breaks in production. I don't. 𝐈 𝐛𝐮𝐢𝐥𝐝 𝐜𝐫𝐨𝐬𝐬-𝐩𝐥𝐚𝐭𝐟𝐨𝐫𝐦 𝐢𝐎𝐒 & 𝐀𝐧𝐝𝐫𝐨𝐢𝐝 𝐚𝐩𝐩𝐬 𝐟𝐨𝐫 - SaaS founders who need an MVP live in weeks, not months - Startups who got burned by a previous developer and need someone to fix or rebuild from scratch - Businesses who need a reliable long-term Full Stack Flutter/React Native developer not a one-job freelancer. 𝐈𝐧 𝐭𝐡𝐞 𝐥𝐚𝐬𝐭 𝟔 𝐲𝐞𝐚𝐫𝐬 𝐈'𝐯𝐞 𝐬𝐡𝐢𝐩𝐩𝐞𝐝: - Flutter & React Native apps that are live on App Store & Google Play - Real-time features: chat, video, maps, push notifications - Full backend: Node.js APIs, Firebase, AWS, Stripe & PayPal - SaaS dashboards, booking systems, healthcare & logistics apps 𝐖𝐡𝐚𝐭 𝐦𝐚𝐤𝐞𝐬 𝐦𝐞 𝐝𝐢𝐟𝐟𝐞𝐫𝐞𝐧𝐭 𝐟𝐫𝐨𝐦 𝟗𝟎% 𝐨𝐟 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫𝐬 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤: - I don't disappear, available before, during, and after launch. - I flag problems early you're never surprised at deadline - I write clean, documented code your next developer won't hate you for hiring me - 100% Job Success Score | Top Rated | If your last developer ghosted you, missed deadlines, or delivered an app that barely works tell me what happened. I'll tell you exactly how I'd fix it. - Zubair Khan

🏆 Top Rated: Part of the top 10% of talent on Upwork 🏅 100% Job Success Score ⭐ 𝗢𝗣𝗘𝗡 𝗙𝗢𝗥 𝗜𝗡𝗩𝗜𝗧𝗔𝗧𝗜𝗢𝗡𝗦 🚀 Experienced Mobile App Developer Ready to Transform Your Ideas into Reality! 🌟 With a strong foundation in mobile app development, I bring over 7+ years of expertise to the table. Specializing in both iOS and Android platforms, I thrive in creating dynamic, user-friendly, and innovative mobile applications. Are you looking for a highly skilled and reliable mobile app developer to transform your ideas into top-performing native or cross-platform mobile applications? You're in the right place! I specialize in building robust, scalable, and visually appealing mobile applications that deliver exceptional user experiences. 🛠 𝐓𝐞𝐜𝐡 𝐒𝐭𝐚𝐜𝐤 𝐌𝐨𝐛𝐢𝐥𝐞 𝐓𝐞𝐜𝐡𝐧𝐨𝐥𝐨𝐠𝐢𝐞𝐬: Flutter (Dart), React Native (Expo), Swift / SwiftUI, Kotlin / Java 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐅𝐮𝐥𝐥-𝐒𝐭𝐚𝐜𝐤: Node.js, MERN Stack, Firebase, REST APIs, Third-Party API Integration 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬: Payments, Push Notifications, Maps, Third-Party APIs 📱 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 Dating & Social Networking Astrology & Consultation E-commerce & Marketplaces On-Demand Logistics & Delivery Food Delivery & Restaurant Apps Real Estate & Property Management FinTech & Banking Apps Healthcare & Telemedicine Fitness, Wellness & Meditation Education & EdTech Platforms SaaS & Subscription-Based Apps AI-Powered Mobile Apps Travel, Tourism & Booking Salon Booking & Service Apps GPS & Location-Based Services Smart Home & IoT Solutions 🤝 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗘𝘅𝗽𝗲𝗰𝘁 𝗳𝗿𝗼𝗺 𝗪𝗼𝗿𝗸𝗶𝗻𝗴 𝘄𝗶𝘁𝗵 𝗠𝗲: ✅ 100% Client Satisfaction Guaranteed ✅ Top Rated Upwork Freelancer ✅ 5-Star Ratings & High Client Recommendations ✅ Quick Response Time (2 Hours, Any Time Zone) ✅ Guaranteed On-Time & On-Budget Deliveries ✅ 8 Months of Support After App Store Launch ✅ Long-Term App Maintenance & Updates ✅ Cost-Efficient Services I am dedicated to maintaining transparent communication, ensuring long-term business relationships, and consistently delivering apps that meet or exceed expectations. 🔍 Whether you need a new mobile app developed from scratch or an update for an existing one, I’m here to help. I’m ready for new challenges and committed to providing outstanding service. Thank you for considering me for your mobile app development needs. Let’s create something amazing together! 𝐒𝐤𝐢𝐥𝐥𝐬 : Mobile App Development | App Development | Flutter Developer | Flutter App Development | Android App Development | Android Developer | iOS Development | iOS App Developer | Hybrid App Development | Cross Platform App Development | React Native Developer | React Native App Development | Dart | Dart Programming | JavaScript | JavaScript Developer | API Integration | REST API Integration | Firebase Integration | Firebase Development | Mobile App Design | Mobile App UI/UX | UI/UX Design | Mobile UX Design | Mobile App Redesign | App UI Redesign | Mobile App Optimization | App Performance Optimization | Mobile App Bug Fixing | App Debugging | Mobile App Testing | App Quality Assurance | AI Mobile App Development | AI App Developer | AI Integration | AI Powered Apps | ChatGPT Integration | AI Chatbot Development | Mobile App MVP Development | Startup App Development | Smartphone App Development | Mobile Application Development | Android App | Android Mobile Apps | iOS App | iPhone App Development | Flutter Hybrid Apps | Cross Platform Mobile Apps | Real Time Apps | Live Data Apps | API Based Apps | Backend Integrated Apps | Push Notification Integration | Firebase Push Notifications | Location Based Apps | GPS Mobile Apps | Payment Gateway Integration | In-App Payments | Marketplace App Development | E-commerce Mobile Apps

I’m a 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐚𝐧𝐝 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐞𝐫 𝐰𝐢𝐭𝐡 𝟕+ 𝐲𝐞𝐚𝐫𝐬 𝐨𝐟 𝐞𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞 building scalable digital products for startups and businesses. My core expertise lies in developing 𝐨𝐩𝐭𝐢𝐦𝐮𝐦 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐢𝐧𝐠 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐥𝐢𝐜𝐚𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐅𝐥𝐮𝐭𝐭𝐞𝐫 𝐚𝐧𝐝 𝐑𝐞𝐚𝐜𝐭 𝐍𝐚𝐭𝐢𝐯𝐞, along with creating 𝐜𝐮𝐬𝐭𝐨𝐦 𝐰𝐞𝐛𝐬𝐢𝐭𝐞𝐬 𝐚𝐧𝐝 𝐞𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐬𝐨𝐥𝐮𝐭𝐢𝐨𝐧𝐬 𝐮𝐬𝐢𝐧𝐠 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐚𝐧𝐝 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞. I implement 𝐀𝐈-𝐩𝐨𝐰𝐞𝐫𝐞𝐝 𝐟𝐞𝐚𝐭𝐮𝐫𝐞𝐬 𝐢𝐧 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩𝐬 𝐚𝐧𝐝 𝐰𝐞𝐛𝐬𝐢𝐭𝐞𝐬 to enhance user experience and automate workflows, using 𝐀𝐈-𝐚𝐬𝐬𝐢𝐬𝐭𝐞𝐝 𝐭𝐨𝐨𝐥𝐬 to accelerate development and improve code quality. I follow 𝐦𝐨𝐝𝐞𝐫𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐩𝐫𝐚𝐜𝐭𝐢𝐜𝐞𝐬 to deliver reliable and scalable solutions. ✅ Core technologies I work with : 🔶 𝐌𝐨𝐛𝐢𝐥𝐞 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 ➤ Flutter │ React Native │ Dart │ JavaScript │ TypeScript 🔶 𝐁𝐚𝐜𝐤𝐞𝐧𝐝 & 𝐃𝐚𝐭𝐚𝐛𝐚𝐬𝐞𝐬 ➤ Firebase │ Supabase │ PostgreSQL │ MySQL │ MariaDB │ Node.js 🔶 𝐂𝐌𝐒 ➤ WordPress │ WooCommerce │ PHP │ Advanced Custom Fields (ACF) │ WP CLI 🔶 𝐀𝐏𝐈 & 𝐈𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 ➤ REST API │ GraphQL │ Third-party Services 🔶 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐓𝐨𝐨𝐥𝐬 ➤ Git / GitHub │ Docker │ CI/CD Pipelines The services I provide include: ════════════════════ ✅ For Mobile Apps Development : 🔶 𝐄𝐧𝐝-𝐭𝐨-𝐞𝐧𝐝 𝐦𝐨𝐛𝐢𝐥𝐞 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 i.e. planning, architecture, UI development, backend integration, testing, and deployment 🔶 Pixel-perfect 𝐔𝐈 𝐢𝐦𝐩𝐥𝐞𝐦𝐞𝐧𝐭𝐚𝐭𝐢𝐨𝐧 𝐟𝐫𝐨𝐦 𝐅𝐢𝐠𝐦𝐚, Adobe XD, or Sketch (including design systems and dark mode support) 🔶 𝐌𝐕𝐏 𝐚𝐩𝐩 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 🔶 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 (REST, GraphQL, and third-party services such as payments, maps, authentication, analytics, and social logins) 🔶 𝐀𝐩𝐩 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧, code refactoring, and bug fixing 🔶 𝐀𝐩𝐩 𝐒𝐭𝐨𝐫𝐞 𝐚𝐧𝐝 𝐆𝐨𝐨𝐠𝐥𝐞 𝐏𝐥𝐚𝐲 𝐝𝐞𝐩𝐥𝐨𝐲𝐦𝐞𝐧𝐭, release management, and crash monitoring setup 🔶 𝐎𝐧𝐠𝐨𝐢𝐧𝐠 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞, feature enhancements, and OS compatibility updates ✅ For Wordpress Development : 🔶 𝐂𝐮𝐬𝐭𝐨𝐦 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 𝐰𝐞𝐛𝐬𝐢𝐭𝐞 development and theme customization 🔶 WordPress 𝐩𝐥𝐮𝐠𝐢𝐧 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 and custom functionality 🔶 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐬𝐭𝐨𝐫𝐞 𝐝𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 and advanced store customization 🔶 𝐇𝐞𝐚𝐝𝐥𝐞𝐬𝐬 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 integrations for modern front-end applications 🔶 𝐓𝐡𝐢𝐫𝐝-𝐩𝐚𝐫𝐭𝐲 𝐀𝐏𝐈 𝐢𝐧𝐭𝐞𝐠𝐫𝐚𝐭𝐢𝐨𝐧𝐬 for payments, shipping, CRM, ERP, and external systems 🔶 𝐖𝐞𝐛𝐬𝐢𝐭𝐞 𝐩𝐞𝐫𝐟𝐨𝐫𝐦𝐚𝐧𝐜𝐞 𝐨𝐩𝐭𝐢𝐦𝐢𝐳𝐚𝐭𝐢𝐨𝐧 (Core Web Vitals, speed improvements) 🔶 𝐖𝐨𝐫𝐝𝐏𝐫𝐞𝐬𝐬 & 𝐖𝐨𝐨𝐂𝐨𝐦𝐦𝐞𝐫𝐜𝐞 𝐦𝐚𝐢𝐧𝐭𝐞𝐧𝐚𝐧𝐜𝐞, updates, and security hardening Feel free to reach out to me. I would be happy to discuss your project in detail.

Full-Stack Developer | React, Node, React Native | AI Integrations & Automation Expert Transforming Ideas into Scalable, Smart, and Seamless Applications I am Krupal, a Full-Stack JavaScript Developer with 8+ years of experience building fast, scalable, and intelligent digital products from web applications to mobile apps and AI-powered SaaS platforms. I specialise in React, Node.js, Next.js, and React Native, delivering clean, production-ready solutions that balance performance, user experience, and scalability. What do I Bring to the Table? ✅ End-to-End Full Stack Expertise: From backend logic to frontend design, I develop robust, maintainable systems using: - Frontend: React.js, Next.js, Redux, Tailwind, HTML, CSS, Bootstrap - Backend: Node.js, Nest.js, Express.js, TypeScript - Mobile: React Native (cross-platform Android & iOS apps) - Databases: PostgreSQL, MySQL, MongoDB, Firebase ✅ AI & Automation Integrations: I’ve built AI-enabled web and mobile apps integrating GPT and automation tools like: - OpenAI & LangChain for chatbots, summarisation, and internal AI agents - Zapier, n8n & Webhooks for workflow automation and process efficiency - LLM-powered systems for document parsing, customer support, and insights ✅ Clean Code, Better UI: - I believe great UX starts with great structure. - I write modular, readable, and efficient code, ensuring every interface is pixel-perfect, responsive, and smooth, across web and mobile. ✅ Scalable Architecture: Designing modular backends and API layers with Nest.js, Express.js, and TypeScript, following best practices for authentication, performance, and data security. Technical Skillset: - Frontend: React, Next.js, Redux, Tailwind, Bootstrap, HTML/CSS - Backend: Node.js, Express.js, Nest.js, TypeScript - Mobile: React Native, Expo, Firebase - Databases: PostgreSQL, MongoDB, MySQL - AI/Automation: OpenAI, LangChain, Python (basic), n8n, Zapier - DevOps & Tools: GitHub Actions, Docker, AWS, Vercel, Heroku Let’s Build What’s Next: Whether it’s a React web app, Node backend, or cross-platform mobile app, I bring clarity, speed, and transparent communication to every collaboration. Clients appreciate my ability to listen first, execute fast, and deliver exactly what’s promised. No fluff, just results! Let’s connect and bring your next product idea to life P.S. Flexible rates based on project scope and duration, let’s find what works best for you.

Hellllo, I'm Bhoomika🙂 I build AI powered mobile products from scratch - fast, clean, and production ready. If you have an idea that needs a real mobile app behind it, not a prototype, not a template, but a working product people can actually use, that's exactly what I do. I specialize in full-stack mobile + AI + backend development. Flutter, React Native, Node.js, Python - I own the entire stack, from the first screen to the server to the AI layer. No handoffs. No gaps. Just a complete, shippable product. What I've built 🚀 - 5+ years shipping production mobile apps across fintech, health, social, marketplace, and AI - Real time messaging, live location tracking, AI recommendations, voice agents, subscription billing - all from scratch, all production-grade - Every serious client has come back for the next build or stayed with me as a long-term technical partner What makes my work different 💡 - I help clients think through architecture early so they don't pay for rewrites later - I flag scope creep before it becomes a problem - I write clean, documented code so any developer can pick it up without confusion - I don't just ship features - I think about the product, the user, and the business behind it How I work with teams 🤝 - Comfortable as a solo builder owning the full product end-to-end - Can work embedded and dedicated within your existing team - I collaborate closely with designers, backend engineers, and product managers - Long term partnerships are something I genuinely enjoy - most of my best client relationships have grown that way I'm a great fit if you ✅ - Need a mobile app built from zero, Android, iOS, or both - Want AI features actually integrated into the product, not just bolted on - Need a strong backend supporting your app from day one - Want a developer who thinks about the full picture, not just the ticket - Are looking for someone to work dedicated and long-term with your team I'm not a fit if you ❌ - Need someone to fix or maintain an existing codebase - Are looking for the cheapest possible build - Want someone who just takes tickets and ships without thinking What I build with 🛠️ - Mobile: Flutter · React Native · Swift · Kotlin - Backend: Node.js · Python · Firebase · REST APIs - AI: OpenAI · Google Vertex AI · Gemini · AI Chatbots · Voice Agents - Database: MongoDB · MySQL · PostgreSQL - Tools: Figma · AWS · Docker · CI/CD I take on a focused number of projects at a time so every client gets my full attention. If you need a mobile product built right, and want someone who can grow with your product over time, let's talk. 🙂