I help startups, founders, and enterprises build scalable AI-powered web and mobile applications—from MVPs to enterprise SaaS platforms. With 12+ years of experience, $80K+ earned on Upwork, and a Top Rated profile with 100% Job Success, I've successfully delivered products across AI, SaaS, FinTech, Healthcare, Logistics, Real Estate, E-commerce, EdTech, and Enterprise solutions. What I Can Help You Build AI-Powered Applications (OpenAI, ChatGPT, GPT-4, AI Agents) Full Stack Web Applications Mobile Apps (iOS & Android) SaaS Platforms Enterprise Software MVP Development AI Expertise OpenAI & ChatGPT Integration AI Assistants & AI Agents Generative AI Speech-to-Text & Text-to-Speech Image Generation & AI Automation Document Processing & AI Workflows RAG & Knowledge Base Solutions Mobile Development Native iOS (Swift / SwiftUI) Native Android (Kotlin) React Native Flutter Full Stack Development React.js Next.js Node.js Python (FastAPI, Django) Laravel (PHP) .NET PostgreSQL, MySQL, MongoDB Firebase & Supabase REST APIs & GraphQL AWS, Azure & Google Cloud Industries Healthcare FinTech Real Estate Logistics Construction Education Sports E-commerce AI Products Enterprise Solutions Why Clients Hire Me 12+ Years of Professional Experience Top Rated Freelancer 100% Job Success Clean & Scalable Architecture Strong Communication Fast Delivery Long-Term Technical Partner Business-First Approach Whether you're validating an idea, launching an MVP, scaling an existing platform, or integrating AI into your business, I can help transform your vision into a production-ready solution. Let's discuss your project and build something exceptional together. Raman (TOP RATED EXPERT)

Profile Achievements:- ✓ 100% Job Success Rate ✓ Top Rated Profile ✓ Over 7 years in Android + App Development ✓ Cross Platform & Native App Development With 7 years of experience in mobile app development, I have gained strong expertise in developing high-performance native applications for iOS (Swift) and Android (Kotlin/Java). I develop scalable, and robust apps that meet businesses needs while ensuring optimal user experience. I've worked with startups and enterprise-grade solutions, delivering robust and future-proof applications. Key Expertise:- ✅ Native iOS Development (Swift, Objective-C) ✅ Native Android Development (Kotlin, Java) ✅ UI/UX Optimization (Custom components, animations, accessibility) ✅ Backend Integration (Firebase, REST APIs, GraphQL, AWS Lambda) ✅ Real-Time Features (WebSockets, push notifications, Firestore) ✅ Payment & E-Commerce Integration (Stripe, PayPal, Apple/Google Pay) ✅ App Security & Data Protection (OAuth, JWT, biometric authentication) ✅ App Performance Optimization (Lazy loading, caching, memory management) Big 2 Projects:- FinTech Banking App: (iOS & Android) - Developed for a leading financial institution, handling transactions for 500K+ users. - Integrated real-time payments, multi-layer authentication, AI-driven financial insights. - Achieved 99.9% uptime and 40% faster transaction processing. Health & Fitness Application: (Swift & Kotlin) - Built an AI-powered fitness tracking app with personalized workout recommendations. - Developed a custom motion tracking algorithm using device sensors (Gyroscope & Accelerometer). - Successfully scaled the app to 250K+ active users, driving engagement with gamification features. Development Approach & Workflow 📌 Agile Development: Sprint-based execution with CI/CD pipelines (Jenkins, GitHub Actions). 📌 UI/UX Design: Prototyping in Figma, Sketch, followed by performance tuning. 📌 API-First Development: Seamless backend connections with REST, GraphQL, Firebase. 📌 Automated Testing & Deployment: Unit/UI testing with XCUITest, Espresso, Firebase Test Lab. 📌 Post-Launch Support: Monitoring, updates, scalability improvements for future growth. Tech Stack & Tools: Technologies: Swift, Kotlin, Java, Firebase, GraphQL, REST APIs, AWS, Google Cloud. Dev Tools: Git, Bitbucket, Docker, Fastlane, Postman. Frameworks: Jetpack Compose, SwiftUI, Alamofire, Retrofit, RoomDB. Platforms: iOS, Android, App Store, Google Play, AWS, Azure. Let's connect for a quick exploratory chat to kickoff with your idea into mobile app! Keywords: Mobile App Developer, Android, iOS, React Native, Flutter, Kotlin, Swift, Dart, Cross-Platform Apps, Native Development, Firebase, Firestore, Realtime DB, Node.js, Express.js, REST API, GraphQL, OAuth, SQLite, MongoDB, Stripe, PayPal, Apple Pay, Google Pay, Git, GitHub, CI/CD, Google Play, App Store, Agile, Scrum, App Optimization, ASO, Crashlytics, BLE, Geolocation, AR, Video Streaming, WebSockets, Social API Integration, Google Cloud, AWS, Jetpack Compose, Hilt, Dagger, Coroutines, Room DB, MVVM, Clean Architecture, Unit Testing, SDK Integration.

25 years in mobile, 700+ apps shipped, and products used by 5M+ users. I build and scale high-performance iOS, Android, Flutter & React Native apps - from native architecture and BLE/IoT integrations to monetization, optimization, and store launch. I specialize in native iOS (Swift, SwiftUI, Objective-C) native Android (Kotlin, Java), as well as Flutter, React Native, and Kotlin Multiplatform Mobile (KMP) - delivering elegant, stable, and maintainable mobile apps from the ground up. I’ve built 700+ apps across 20+ industries, from social networks and fintech to healthcare and smart IoT. My apps have ranked in the top charts, driven 80% user engagement increase, and reduced crash rates by up to 70%. I bring deep expertise in mobile architecture, native UI/UX implementation, performance optimization, device-level integration (BLE, GPS, sensors), CI/CD pipelines, and App Store / Google Play delivery. 🏆 Why Clients Choose Me ✔️ 25 years of hands-on experience in mobile development ✔️ 700+ mobile apps shipped across Android, iOS, Flutter & React Native ✔️ Reduced crash rate by 70% and improved app speed by 50% on key projects ✔️ Proficient in full mobile stack - UI, business logic, APIs, storage & deployment ✔️ Delivered cross-platform apps used by 5M+ users worldwide ✔️ Led app modernization projects that cut legacy codebase by 40% ✔️ Built KMP-based solutions for unified Android/iOS delivery and faster release cycles ✔️ Experience working with startups, enterprises, and Fortune 500s 📱 Native Mobile Development (iOS & Android) - Native Android apps with Kotlin, Java, Jetpack Compose, Material Design 3 - Native iOS apps with Swift, Objective-C, SwiftUI, UIKit, Combine - Extensive work with platform SDKs, sensors, cameras, biometrics, and BLE - Modular and scalable architecture: MVVM, Clean Architecture, VIPER - App Store & Google Play deployment, TestFlight & Firebase testing - Dependency injection, Jetpack libraries, Swift Package Manager, CocoaPods - Reduced app launch time by 50% through UI/threading optimization - Built multi-language apps with full localization and accessibility support 🔁 Cross-Platform Mobile Development - Flutter (Dart) for beautiful, performant mobile UIs across iOS and Android - React Native with custom native module bridging (Java/Obj-C) - Kotlin Multiplatform Mobile (KMM) to share business logic between platforms - Cross-platform codebases reduced development time by 40–60% - Custom platform views, adaptive UI layouts, and native plugin integrations - Delivered consistent performance & UX across devices 🔧 Backend & API Integration - Firebase (Auth, Firestore, Realtime DB, Cloud Functions, Analytics, Crashlytics) - RESTful API & GraphQL integration, token management, caching - Offline sync & local storage: Room, SQLite, Core Data, Realm - Advanced data parsing & security with Retrofit, Moshi, GSON, Alamofire - Push notifications: FCM, APNS, OneSignal, custom schedulers - Built mobile apps powering live sports stats, geolocation trackers, and health dashboards ⚙️ DevOps, CI/CD & Testing - Fastlane, GitHub Actions, Bitrise, Xcode Cloud, Firebase App Distribution - Unit testing, Espresso, XCTest, UI Automator, and snapshot testing - Optimized delivery pipeline for 2x faster release cycles - Code linting, crash analytics, beta testing, and staged rollout strategy - Crash-free session rates increased to 99.8% on enterprise mobile apps 📊 Mobile Analytics & Monetization - Analytics: Firebase, Amplitude, Google Analytics, Mixpanel - Monetization: in-app purchases, subscriptions, AdMob, Facebook Ads - Real-time event tracking and funnel optimization - Improved retention and session time by 60% using data-driven iteration 🔌 Hardware & Native SDK Integrations - Core Bluetooth, Core Motion, HealthKit, Google Fit, PassKit, Apple Pay - Camera, audio, video processing with AV Foundation & CameraX - Third-party SDKs: Twilio, Sendbird, Stripe, Agora, Mapbox, OpenCV - Built IoT control panels, BLE device dashboards, and voice-command apps 🌍 Industries Served - Fintech & Banking (KYC, payments, secure auth) - Healthcare & Fitness (wearables, telemedicine, step tracking) - E-commerce & Retail (catalogs, product scanners, loyalty apps) - Smart Home & IoT (remote control, Bluetooth integration) - Education, Social Networking, Travel, Utilities, Entertainment ✅ Let’s Build a Mobile App That Delivers From native Android/iOS development to efficient cross-platform delivery - I bring full-cycle mobile expertise to help you design, build, scale, and optimize your app. 📩 Ready to launch something impactful? Text me!

Looking to build a high-performance iOS app that’s elegant, stable, and App Store ready? I'm a Top Rated iOS Developer with over 13 years of hands-on experience creating world-class iPhone and iPad apps using Swift, Objective-C, and SwiftUI. I help startups and enterprises transform their app ideas into functional, scalable, and visually stunning solutions. Whether you need to modernize legacy code, build from scratch, or debug a complex issue, I’m here to help. Services I Offer: Custom iOS App Development (iPhone & iPad) App Store Submission & Maintenance Legacy Code Refactoring (Objective-C → Swift) REST/GraphQL API Integration Firebase Integration (Realtime DB, Firestore, Auth) Payment Gateway Setup (Stripe, Apple Pay, Razorpay, etc.) UI/UX Design using SwiftUI or UIKit Performance Optimization, Crash Fixing & Debugging TestFlight Beta Testing Setup Consulting & Code Review My Tech Toolbox: Languages: Swift, Objective-C, SwiftUI UI/UX: Auto Layout, Storyboards, Animations, Interface Builder APIs: REST, GraphQL, OAuth, JSON, XML Databases: Core Data, Realm, Firebase, SQLite Tools: Xcode, Git, CocoaPods, Carthage, Fastlane, Jenkins Testing: XCTest, TestFlight, Crashlytics Project Tools: Jira, Trello, Asana, Agile/Scrum Industries I’ve Built Apps For: Healthcare: Telemedicine apps, fitness trackers, EMR systems Fintech: Secure payment apps, expense trackers, digital wallets E-commerce: Product catalogs, order tracking, cart & checkout Education: Learning apps, quiz games, LMS integrations Social: Chat apps, forums, event-based platforms Others: Real estate, travel, entertainment, logistics Why Clients Choose Me: - 13+ years in iOS development — reliable, scalable solutions - Pixel-perfect UI with smooth, native experience - Deep integration of third-party SDKs & custom APIs - Excellent communication — no guesswork or delays - Full support from planning to App Store submission and beyond Let’s build a high-quality iOS app your users will love. Message me now to discuss your idea.

🔌 Powering 3.5M+ connected devices worldwide. I deliver end-to-end IoT and AI-powered solutions from firmware to cloud for Smart Home, Automotive, Energy, and Healthcare industries. 📊 WHY CLIENTS CHOOSE ME: • 3.5M+ IoT devices connected in production (Geeni smart home ecosystem) • 10+ years building IoT products, from PoC to mass production • 599+ hours on active firmware contract (Zephyr RTOS, Nordic, BLE) • AI-powered development: agentic pipelines, intelligent automation, ML integration for IoT • HIPAA-certified team for medical IoT projects • Top Rated Plus, 100% Job Success Score 🔧 WHAT I BUILD: → Firmware Development: Zephyr RTOS, FreeRTOS, ESP32, STM32, NRF, ARM Cortex. SPI, UART, I2C, Modbus, GPIO → Wireless Connectivity: BLE 5.3, Matter, Thread, Zigbee, LoRa, MQTT, LTE-M, NB-IoT, WiFi → IoT Cloud Platforms: AWS IoT Core, Azure IoT Hub, Google Cloud IoT, Firebase, InfluxDB → AI & ML for IoT: predictive maintenance models, anomaly detection, sensor data pipelines, edge AI, agentic workflows → Mobile IoT Apps: React Native, Flutter, Swift, Kotlin — companion apps for connected devices → Security & Compliance: TLS, OAuth2, JWT, Secure Boot, OTA updates, HIPAA compliance 🤖 AI ENGINEERING: I integrate AI across the full IoT stack from edge inference on embedded devices to cloud-based ML pipelines. I build agentic AI systems, intelligent automation workflows, and enterprise-grade AI pipelines that go beyond simple chatbots into production-ready infrastructure. 🏗 INDUSTRIES WE SERVE: • Smart Home — built app ecosystem for 3M+ devices (smart bulbs, cameras, sensors, switches) • Automotive — OBD-II fleet management, connected car platforms, predictive maintenance • Energy — Smart Grid management, EV charging, HVAC telematics with cellular IoT • Healthcare IoT — ECG monitoring wearables, Remote Patient Monitoring (RPM), HIPAA-compliant platforms 👥 TEAM: I also lead a dedicated team of 20+ engineers: embedded/firmware, AI/ML, mobile (iOS + Android), backend, QA, DevOps, and project management. We can work as your extended engineering team — same timezone overlap, daily standups, transparent communication. 💬 MESSAGE ME with your IoT or AI project details — I'll respond with relevant case studies and a preliminary architecture within 24 hours.

I bring 11+ years of experience in Mobile and Web Development, specializing in backend PHP/Laravel systems and native mobile apps using Kotlin, Swift, Objective-C, and Java. I build scalable, secure, and high-performance solutions tailored to your business needs. Our Agency Since 2016, my dedicated team and I have delivered top-quality digital solutions worldwide. ✔️ 150+ apps and platforms launched in the last year ✔️ $500K+ earned on Upwork ✔️ 122+ projects completed, 9,500+ hours logged ✔️ Nearly 100% client satisfaction ✔️ Experience working with startups and 7-9 figure enterprises My Expertise Backend & Web Development • PHP (Laravel, Symfony), MySQL, PostgreSQL, REST APIs, OAuth2, JWT Mobile App Development • Native Android (Java, Kotlin), iOS (Swift, Objective-C) • Cross-platform and API integrations Cloud & DevOps • AWS, Docker, CI/CD pipelines, scalable infrastructure Security & Authentication • Secure user authentication, SSO, role-based access control Why Work With Us? ✅ Custom solutions aligned to your goals and budget ✅ Agile development with clear milestones and communication ✅ Robust, well-tested, and maintainable code ✅ Competitive pricing with no surprises ✅ Proven success across fintech, eCommerce, logistics, and more Industries Served Finance, HealthTech, Logistics, E-commerce, SaaS, Real Estate, and more. What Clients Say "Fast, reliable, and communicative — delivered exactly what we needed on time." – Alexey Levashev, ZOOM International 𝗪𝗼𝘂𝗹𝗱 𝘆𝗼𝘂 𝗯𝗲 𝗮𝘃𝗮𝗶𝗹𝗮𝗯𝗹𝗲 𝗳𝗼𝗿 𝗮 𝟑𝟎-𝟔𝟎 𝗺𝗶𝗻𝘂𝘁𝗲 𝗳𝗿𝗲𝗲 𝗰𝗼𝗻𝘀𝘂𝗹𝘁𝗮𝘁𝗶𝗼𝗻? During this meeting, we will: ✔️ Discuss your project goals, challenges, and priorities ✔️ Outline a clear roadmap and cost estimate ✔️ Identify the best tech approach for your vision Send me a message to schedule your session. Looking forward to building something great together! Best regards, Stas

🚀 Senior Software Engineer | Team Leader | iOS, macOS, visionOS, watchOS | Swift, Objective-C, C++ | AR, AI 🔹 11+ Years of Experience | Master's in AI & Bachelor's in CS | PhD Researcher in Applied Linguistics Passionate software engineer with 11+ years of professional experience in developing high-quality applications for iOS, macOS, visionOS, Windows, and Linux. I specialize in Swift, C, C++, Objective-C, Objective-C++, and Rust programming languages building efficient, scalable, and maintainable solutions. Holding a Master’s degree in Artificial Intelligence and currently pursuing a PhD in Applied Linguistics, where I research OCR for handwritten texts, I bring a unique combination of AI, NLP, and software engineering expertise to projects involving text recognition and automation. 🛠 Tech Stack & Expertise 🔹 Programming Languages 💻 Swift | Objective-C | Objective-C++ | C++ | C | Rust 🔹 Development Tools 🔧 Xcode | Instruments | Terminal | Qt Creator | MS Visual Studio | VS Code 🔹 Architectures & Design Patterns 📐 MVC | MVVM | MVVM+Coordinator | VIPER | TCA | UDF 🔹 iOS/macOS Frameworks & Technologies 📱 UIKit | SwiftUI | Combine | Observation | AVFoundation | CoreFoundation | CoreGraphics | CoreData | CoreBluetooth | CoreLocation | MapKit | PushKit | CallKit | WidgetKit | XCTest | SPM 🔗 Third-party: Realm | RxSwift | SQLite | Alamofire | WebRTC | Twilio | Vonage | Firebase | AWS | Stripe | Google Maps | MapBox | Cocoapods | CarPlay | SiriKit 🔹 Networking & Communication 🌐 TCP/IP | OSI | REST API | GraphQL | WebSockets | VOIP | WebRTC 🔹 Databases & Storage 🗄 MySQL | SQLite | CoreData | SwiftData | Realm 🔹 C++ Libraries ⚙ Qt | Boost | STL 🔹 Scripting & Automation 📜 Bash | Fastlane 🔹 Operating Systems 📂 iOS | macOS | visionOS | watchOS | Android | Windows | Linux (Ubuntu, CentOS) 🔹 CI/CD & Version Control 🔄 Git | GitFlow | SVN | Jenkins | TestFlight | Fastlane | CircleCI | Github actions 🔹 Project Management & Collaboration 📌 JIRA | Trello | Redmine 🔹 UML & Software Design 📊 UML diagrams for system architecture 🔹 Languages 🗣 Ukrainian (Native) | English (Fluent, C1 - CAE Certified) I’m excited to collaborate on challenging projects and build innovative software solutions. Let’s discuss how I can help bring your vision to life! 💬 Let’s Connect!

I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries. I am a Top-Rated Plus Web & Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin), PHP, Node.js, Angular, React.js and Full-Stack Application Development. I build AI-powered Web Applications, mobile apps, real-time video streaming platforms, SaaS products, MVPs and on-demand service applications with scalable backend architectures using Node.js, NestJS, Laravel and Firebase. ✅ I Can Help You With: - Mobile App Development with Web Admin Panel - MVP Development & SaaS Application Development - API Development & Third-Party Integrations - Node.js / NestJS Backend for Mobile & Web Apps - Laravel / PHP Backend Development - Firebase Integration (Auth, Firestore, Cloud Functions) - Payment Gateway Integration (Stripe, Razorpay, PayPal) - Real-Time Chat, Notifications & WebSocket Integration 💡 Having Expertise In: - AI-Powered Mobile Applications - Real-Time Video Streaming Apps - Dating Applications - Live Streaming & Video Sharing Platforms - E-Learning & EdTech Applications - E-Commerce & Marketplace Apps - On-Demand Service Apps (Taxi, Food, Delivery, Booking) - Chat & Social Networking Apps - SaaS & Subscription-Based Platforms - Gamified Mobile Applications - AR/VR Mobile App Development - IoT & BLE-Based Mobile Applications 🎯Key Milestones: 🚀 Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 𝗣𝗟𝗨𝗦 🏆 by Upwork (𝗧𝗼𝗽 𝟯%) 🚀 7000+ personal hours on Upwork and still counting 🚀 100000+ agency hours on Upwork and still counting 🚀 100% Job Success (Client Satisfaction Ratio) 🚀 500+ jobs completed successfully as an Agency 🎯 Checkout my portfolio of apps on Upwork: Over the past decade, I have honed my skills in developing a diverse array of iPhone and Android applications Development ✅ 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 🎯 Areas of Expertise ◉ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack ◉ Cross-Platform App Development: Flutter (Dart), React Native ◉ Backend Development: Node JS, Nest JS, Laravel, PHP, Express ◉ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3 ◉ API Development & Integrations: REST APIs, AWS Lambda, API Gateway ◉ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB ◉ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio ◉ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree ◉ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking ◉ Version Control & Collaboration: GitHub, Bitbucket, GitLab I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. Additional Services that i am offering: - 6 Months Free Maintenance once the apps goes live on apple store and Google play store - Ownership/iP rights from the day one uploaded on the Client Github - Regular Updates & Scrum meetings. - Following Agile Scrum Methodology from day one - Strictly adhering to the Apple Guidelines and Google Guidelines. - Taking Complete responsibility of Deployment on both Apple store and Google Play store. I specialize in no-code/low-code development and AI integrations, allowing you to launch faster while keeping costs low without compromising quality. I work with tools like Bubble, FlutterFlow, Webflow and integrate powerful AI solutions using Claude, GPT and OpenAI APIs to build smart, automated systems. 🔹 What I Do - Full Stack Web & Mobile App Development - No-Code / Low-Code Development (Bubble, FlutterFlow, Webflow) - AI App Development & Integration (Claude AI, GPT-4/5, OpenAI API, Chatbots, Automation) - SaaS Application Development (Subscription Models, Multi-Tenant Systems) - API Integration (Payment gateways, third-party services) - Dashboard & Admin Panel Development - Workflow Automation (Zapier, Make, AI Automation Systems)) - UI/UX Design (Figma) 👉 Let’s start with a FREE 15–30 minute consultation to discuss your project and define the best approach. Contact us today to discuss your project requirements.

WebRTC mobile apps, iOS, OTT, Smart TV, AR/VR – senior iOS, Android, and Smart TV developer. $600K+ earned across 14,700+ hours, 100% JSS, Top Rated Plus. 15 years building real-time video and AI mobile apps. I lead mobile on funded products. ⚡ 𝗙𝗿𝗲𝗲 𝗣𝗥𝗗. 𝗠𝗩𝗣 𝗶𝗻 𝟳-𝟭𝟰 𝗱𝗮𝘆𝘀. 𝗙𝗿𝗲𝗲 𝗰𝗼𝗱𝗲 𝗿𝗲𝘃𝗶𝗲𝘄 𝗼𝗿 𝗮 𝟮-𝘄𝗲𝗲𝗸 𝘁𝗿𝗶𝗮𝗹 𝗼𝗻 𝗮𝗻 𝗲𝘅𝗶𝘀𝘁𝗶𝗻𝗴 𝗰𝗼𝗱𝗲𝗯𝗮𝘀𝗲. ⚠️ Invite me to your job – I reply within 15 minutes. 𝗔𝗽𝗽𝘀 𝗜'𝘃𝗲 𝗦𝗵𝗶𝗽𝗽𝗲𝗱 → Meetric - AI sales video platform, $2.25M seed. Led 3,837 hours across iOS, WebRTC, Twilio, Node.js. Real-time speech analysis during calls and AI post-meeting reports. Automates 80–100% of CRM data entry. White-labeled by telecom and CRM partners in Europe. → Sprii - live shopping for 3,000+ European brands. iOS and Android. 72K+ live events, 21M products sold, €365M+ in sales. 20× higher conversion for sellers. → Nucleus - real-time UCaaS for 300K+ customers. Native iOS and Android with WebRTC and SIP calling. 600M+ AI call minutes a month. SOC II, GDPR, HIPAA. → TransLinguist - AI interpretation app for the UK NHS. Voice-to-voice translation in 16+ languages, captions in 22. Won the NHS national framework tender. 30,000+ certified interpreters. 𝗪𝗵𝗲𝗿𝗲 𝗜'𝗺 𝗦𝘁𝗿𝗼𝗻𝗴𝗲𝘀𝘁 → WebRTC mobile apps - real-time video and voice calling, conferencing, and low-latency streaming on iOS and Android → Smart TV and OTT/IPTV - VOD and IPTV apps for Apple TV, Samsung Tizen, and LG WebOS. DRM, EPG, low-latency tune-in → AR, VR, and spatial computing - real-time face and object overlays, AR Quick Look, visionOS, and Vision Pro → AI on mobile, on-device and cloud - object detection, face and emotion recognition, speech-to-text → AI language interpretation - voice-to-voice translation, live multilingual captions, interpreter routing → Live commerce - in-app live shopping, product overlays, in-stream checkout, output to Facebook and Instagram → Enterprise UCaaS - secure WebRTC video and voice, AI phone agents, CRM and ERP-integrated dial plans 𝗦𝗽𝗲𝗰-𝗙𝗶𝗿𝘀𝘁 𝗔𝗴𝗲𝗻𝘁𝗶𝗰 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿𝗶𝗻𝗴 I work spec-first, not vibe-first. Spec and architecture come before any code. Then I drive AI agents against strict guardrails to produce production-grade output. The hard real-time work I handle or verify myself: WebRTC pipelines, sub-second video latency, and on-device ML. You get AI speed with senior-engineer stability. 𝗛𝗼𝘄 𝗜 𝗗𝗲𝗹𝗶𝘃𝗲𝗿 30-min discovery → spec, architecture, and a ±10% estimate → AI dev environment with guardrails → MVP with CI/CD and a 2-week demo cadence. App Store and Play Store submission included. 𝗛𝗼𝘄 𝗬𝗼𝘂 𝗖𝗮𝗻 𝗪𝗼𝗿𝗸 𝗪𝗶𝘁𝗵 𝗠𝗲 → New app from scratch - iOS, Android, Smart TV, or cross-platform → Senior lead on hard modules - video, AI, WebRTC, streaming → Rescue and modernize - fix unstable apps, refactor messy codebases, ship to production 𝗧𝗲𝗰𝗵𝗻𝗼𝗹𝗼𝗴𝗶𝗲𝘀 𝗜 𝗨𝘀𝗲 𝗗𝗮𝗶𝗹𝘆 → Mobile: Swift, SwiftUI, UIKit, React Native, Flutter, Combine, Alamofire, Kotlin, Jetpack Compose → Video and streaming: AVFoundation, ReplayKit, ExoPlayer, ARKit, SceneKit, Metal, CameraX, WebRTC, FFmpeg, Wowza, LiveKit, HLS/DASH, RTMP, DRM → AI and ML: Core ML, TensorFlow Lite, PyTorch, YOLOv8, CLIP, OpenCV, OpenAI API, Whisper, Deepgram → Backend and infra: Node.js, NestJS, Python (FastAPI), Go, PostgreSQL, MongoDB, Redis, AWS, GCP, Docker, Kubernetes → Payments and auth: Stripe, RevenueCat, PayPal, Firebase, OTP authentication → Quality and security: TestFlight, Crashlytics, Sentry, AES-256, GDPR, HIPAA 𝗪𝗵𝘆 𝗙𝗼𝗿𝗮 𝗦𝗼𝗳𝘁 The team behind me: 100% JSS · 914 jobs · $10M+ earned · 401K+ hours · 625+ projects since 2005 · 400+ clients across 17+ countries · Top WebRTC Developer 2022 and Top Telecom Developer 2024 · 1 of 400 devs passes our internal selection. 𝗖𝗹𝗶𝗲𝗻𝘁 𝗙𝗲𝗲𝗱𝗯𝗮𝗰𝗸 "We've been working together for 10 years and continue. Fora Soft planned and built our entire Wowza-based video surveillance SaaS from scratch across web, iOS and Android." — Dustin, CTO @ VALT (50,000 users, 770 orgs, 2,500 IP cameras) ⚠️ Press Invite or message me - I'll send back a PRD, architecture, and an estimate.

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, Flutter app, or AI-powered features to your product? - Individual | Big company | Startup who wants to build and create Android app or iOS app, Flutter app, or AI-powered mobile application from scratch? - Looking for a mobile app developer who can transform your idea into reality? 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, iOS SDK, Xcode - Backend Development | Node.js - Cross Platform Mobile App Development using Flutter, Dart - AI App Development, AI Integration - OpenAI API, ChatGPT API, Claude API, Google Gemini API & LLM Integration - UI/UX: Mobile design - Mobile app 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: - AI Mobile App Development - 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, RESTful API development 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. - 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 ----------------------------------------------------- AI Mobile App Development, AI App Development, Native Android App Developer, iOS App Developer, Cross-Platform Flutter App Developer, Top Flutter Developer, React Native, RESTful API Developer, API Integration, 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, AI Feature Integration, AI Chatbot Development, AI Assistant, OpenAI, Generative AI .