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$15/hr
99%
Job Success
$100K+ earned
Available now
Offers consultations
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🏆 Upwork TOP RATED PLUS (Top 3%)
🏆 3500+ Hours on Upwork
🏆 Full-Stack Mobile Engineer
Are you building a mobile app that needs to perform in the real world — not just look good in a demo?
Most apps struggle after launch because the foundation isn’t built right.
I focus on building complete mobile products — where UI, backend, APIs, and integrations are designed together — so your app stays stable, scalable, and ready for growth from day one.
📱 Mobile App Development (Native + Cross-Platform)
Native
• iOS – Swift / SwiftUI
• Android – Kotlin / Java
Cross-Platform
• Flutter
• React Native
I choose the right approach based on performance, scalability, and product goals — not just trends.
⚙ Backend & System Architecture
• Node.js / Express
• Laravel (PHP)
• Firebase / Firestore / Supabase
• REST APIs & WebSocket-based systems
• Authentication (JWT, OAuth, secure flows)
Backend systems are built to support real users, not just testing environments.
🔗 Integrations & Advanced Capabilities
• Payment systems (Stripe, Razorpay, PayPal)
• Push notifications & real-time communication
• Google Maps, geolocation & tracking
• Media upload, compression & streaming
• Third-party APIs & enterprise integrations
🤖 How I Use AI (Practically)
I use AI where it actually improves outcomes — not just for hype:
1️⃣ AI-powered features inside apps (chat, automation, personalization)
2️⃣ AI-assisted development tools:
• Claude – architecture & debugging
• GitHub Copilot – faster, cleaner coding
• Cursor – real-time code refinement
• ChatGPT / OpenAI – testing, logic validation
• Replit – rapid working prototypes
This results in faster delivery, cleaner builds, and fewer issues later.
🎯 Product Thinking & UI/UX
• Figma to production-ready apps
• Scalable design systems
• Smooth animations & micro-interactions
• User flows built for engagement and retention
🚀 What You Get
✔ End-to-end ownership (Idea → Launch → Scale)
✔ Clean, scalable, and maintainable codebase
✔ Reliable performance across iOS & Android
✔ App Store & Play Store deployment support
✔ Long-term collaboration — not just one-off delivery
If you’re looking for someone who can take full responsibility for your mobile app — from concept to scale — let’s connect.
📩 Open to discussing your project anytime.
🔑 𝐊𝐄𝐘𝐖𝐎𝐑𝐃: Flutter, Flutter App, Flutter Developer, Flutter Firebase, Dart, Firebase, Swift, Xcode, Interface Builder, UIKit, SwiftUI, Core Data, Auto Layout, App Store Connect, Cocoa Touch, Push Notifications, RESTful APIs, In-App Purchase, App Extensions, TestFlight, Mobile Apps, Firebase, Apple Pay, iPhone Apps, Android Apps, Hybrid Mobile Apps, Senior Mobile Developer, Mobile Apps Developer,Swift, Xcode, Interface Builder, UIKit, SwiftUI, Core Data, Auto Layout, App Store Connect, Cocoa Touch, Push Notifications, Cocoapods, HealthKit, Core Animation, Localization, mobile app development, mobile app design, mobile ui ux designer, mobile, android developer, android, android kotlin, android reverse engineer, ios developer, ios swift, ios app, flutter ios, flutter android, no SQL, rest apis php/laravel backend, Google Map, Google Map Api, Ios Android, Ios App Developer, Ios Developer
Krish C.
has worked
.
Associated with
Macrew Technologies Private Limited
$30/hr
100%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
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 decisions with clarity.
𝟏𝟎𝟎% 𝐉𝐨𝐛 𝐒𝐮𝐜𝐜𝐞𝐬𝐬 𝐒𝐜𝐨𝐫𝐞 | 𝐄𝐱 𝐈𝐁𝐌 𝐂𝐨𝐧𝐬𝐮𝐥𝐭𝐚𝐧𝐭 | 𝐓𝐨𝐩 𝐑𝐚𝐭𝐞𝐝 | 𝟑,𝟎𝟎𝟎+ 𝐡𝐨𝐮𝐫𝐬 𝐝𝐞𝐥𝐢𝐯𝐞𝐫𝐞𝐝 𝐨𝐧 𝐔𝐩𝐰𝐨𝐫𝐤 | 𝟏𝟎+ 𝐘𝐞𝐚𝐫𝐬 𝐨𝐟 𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩 𝐃𝐞𝐯𝐞𝐥𝐨𝐩𝐦𝐞𝐧𝐭 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞
𝐎𝐮𝐫 𝐃𝐞𝐚𝐥 𝐘𝐨𝐮 𝐇𝐚𝐯𝐞 𝐚𝐧 𝐢𝐝𝐞𝐚? We’ll convert it into a scalable, beautifully designed app that delivers real-world impact and revenue growth.
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.
Words from a recent client after working together (check more on my profile below):
𝐃𝐚𝐯𝐢𝐝 𝐄.
"Ashan is an amazing leader and app developer. He was my main point of contact for developing several projects. He has a very strong team that is able to understand requirements and consistently deliver on milestones. His team is able to help across the full product development process including wireframes, front end and back end development, and graphics design. "⭐⭐⭐⭐⭐
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 10+ 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
Ahsan W.
has worked
.
$50/hr
100%
Job Success
Offers consultations
Start of list.
End of list.
🌟 100% Job Success Ratio
👨💻 10+ Years in Mobile App Development
💼 30+ Successfully Completed Projects 🚀
Hello! I'm Vivek, a seasoned Senior Software Developer and passionate tech enthusiast. I'm eager to assist you in crafting top-tier, modular software that aligns with your requirements while prioritizing performance and security.
Why to hire me among thousands of other freelancers?
I distinguish myself through an unmatched commitment to work quality and professionalism. Establishing trust with clients and fostering effective communication are integral components of my skill set.
As a developer, I strive to keep up-to-date with the latest techs from Android and Apple, and use each standard introduced with ease while following the best guidelines in order to make my code readable and maintainable.
I thrive on challenges! With a positive mindset, I approach every task with determination, doing whatever it takes and never giving up.
IoT & Bluetooth Development: Experienced in Bluetooth Low Energy (BLE), ESP32 firmware development, IoT hardware integration, and AWS IoT services, with a strong focus on enabling smart device connectivity.
Skills:
-------
✔ Cross-platform app development,
✔ RESTful API integration,
✔ Android components (Activities, Services, Broadcast Receivers, Content providers)
✔ Fragments API, Intents, etc.
✔ Java Core, Threads, Collections.
✔ Payment and Social media SDKs integration
✔ Firebase, FreshChat, Socket.io for chat-based application
✔ Voice, Chat and Video calling integrations
✔ Google Map, Ads, In-App Purchase, In-App Billing implementation
Version control and Issue tracking
- Git, Bitbucket
- Trello, JIRA
My Working pattern:
- Following Complete agile methodology
- Trello/Pivotal Tracker implementation
- Implementation using best architecture patterns
But don't just take my word for it – let my work speak for itself. Check out my portfolio to see some of my past projects and success stories.
Don't hesitate to reach out! Your project deserves the expertise and commitment that I bring to the table.
Thanks,
Vivek
Vivek C.
has worked
.
$50/hr
100%
Job Success
$600K+ earned
Available now
Start of list.
End of list.
👋 Hi there ! Looking for an elite Senior Android Developer to architect, secure, and scale powerful Android applications? With 20+ years in native Android development, I've worked across every major SDK, library, and device evolution - delivering fast, secure, and maintainable apps that perform under pressure.
I’ve developed and launched 100+ Android apps with over 20 million total downloads and an average Google Play rating of 4.8+. My work has helped reduce crash rates by 70%, shrink APK sizes by up to 60%, and increase app startup speed by 45%. From startups to Fortune 500s, I’ve led 12+ dev teams in delivering mission-critical, high-ROI apps for fintech, defense, media, and beyond.
🏆 Why Work With Me for Android Development?
✔️ 20+ years of deep Android expertise with Java, Kotlin, Jetpack, and NDK
✔️ Delivered 100+ apps to production — 20M+ installs, 4.8+ average rating
✔️ Reduced load times by 45% through advanced performance profiling
✔️ Security-hardened apps using R8, ProGuard, LLVM, NDK, and SELinux policies
✔️ Scaled enterprise-grade apps with 99.99% uptime and real-time data sync
✔️ Played key roles in HIPAA-, FIPS-, and PCI-DSS-compliant mobile solutions
🚀 Core Android Development Services:
📌 Native Android App Development
🔹 Expert in Kotlin, Java, Android SDK, Jetpack Compose, View System
🔹 Responsive UIs across all screen sizes using ConstraintLayout, MotionLayout, Compose
🔹 Modular architecture (MVVM, Clean Architecture, MVI, VIPER)
🔹 Advanced state handling with LiveData, Coroutines, Flow, RxJava
🔹 CameraX, MediaCodec, ExoPlayer for media-heavy apps
🔹 Full device compatibility from Android 5.0+ through latest Android 14
📌 Android Security & Low-Level Optimization
🔹 Obfuscation, code hardening, and NDK-level protection
🔹 Reverse engineering mitigation via Frida/Root detection
🔹 Low-level optimization with ARM NEON, RenderScript, JNI, and custom kernels
🔹 SELinux customization for hardened AOSP builds
🔹 Hardware integration with sensors, gyroscopes, accelerometers, and BLE
📌 Multimedia, Games & Streaming
🔹 Real-time video/audio with FFmpeg, OpenGL, Vulkan, MediaCodec
🔹 Game engines: Unity3D, LibGDX, custom OpenGL renderers
🔹 Augmented Reality with ARCore, face tracking, 3D overlays
🔹 Advanced drawing tools, canvas-based animation, real-time filters
📌 Backend Integration & Architecture
🔹 REST, GraphQL, gRPC, WebSockets, Firebase, and custom socket protocols
🔹 Secure data sync, push notifications (FCM), and analytics (Firebase, Amplitude)
🔹 CI/CD pipelines using Jenkins, Bitrise, GitHub Actions, and custom Gradle workflows
🔹 Offline sync and caching strategies for resilient performance
📌 Scalable Architecture & Cross-Platform
🔹 Kotlin Multiplatform, Clean Architecture, modularized multi-feature apps
🔹 Deep understanding of Android App Bundles, Play Feature Delivery, and Instant Apps
🔹 Flutter experience for select cross-platform needs (Dart/Flutter SDK)
📌 Database & Networking
🔹 SQLite, Room, Realm, SQLDelight, Firebase Realtime/Firestore
🔹 JSON parsing with Gson, Moshi, org.json
🔹 API integration using Retrofit, OkHttp, Apollo Client
🌟 Results-Driven Impact
✅ 70% reduction in crash rates using advanced testing and monitoring
✅ 45% increase in startup speed through bytecode and resource optimization
✅ 60% smaller APK sizes using modularization and build optimization
✅ 50% faster delivery cycles using custom CI/CD pipelines
✅ 40–65% increase in user retention through performance and UX refinement
✅ 99.99% stability in live apps with over 1M monthly active users
💡 Focused On What Matters Most:
✔️ Clean, scalable, testable code that teams can maintain and extend
✔️ Proactive debugging and crash prevention strategies
✔️ User-first experiences built for performance and engagement
✔️ Modern, maintainable app structure that grows with your business
✔️ Full lifecycle support-from idea to Play Store launch and beyond
🚀 Ready to Build a High-Performance Android App? Let’s talk!
Whether you're starting from scratch, rebuilding a legacy app, or scaling for millions-I'll help you build it right, fast, and with precision.
Sergey K.
has worked
.
Associated with
Ixobit Corporation (DBA Sibers)
$20M+
earned
$25/hr
97%
Job Success
Available now
Offers consultations
Start of list.
End of list.
⭐️ Top Rated Plus – Top 2% on Upwork
✅ Official FlutterFlow Expert Partner
✅ Published on the FlutterFlow Marketplace
✅ 6+ years building scalable mobile apps
🕒 100+ apps delivered | 6+ years | 6,000+ hours
You have an app idea, a product that needs fixing, or a feature that needs shipping. I build it in Flutter or FlutterFlow, faster than you expect, cleaner than you hoped, and ready for the App Store and Google Play from day one.
I have delivered 100+ mobile apps across health, fintech, marketplace, SaaS, and AI verticals. Three of my apps are live in the stores right now. I am one of the few developers with a published component on the official FlutterFlow Marketplace, which means I do not just use the platform, I build for it.
📱 Flutter and FlutterFlow Development:-
Cross-platform iOS and Android apps from a single codebase. Pixel-perfect UI that matches your designs. Rapid FlutterFlow MVPs or fully custom Flutter builds. Complex animations, responsive layouts, and production-ready architecture. Apps that look great, load fast, and do not break in production.
🔥 Firebase and Supabase Backend:-
Firestore data modelling, Firebase Auth, Firebase Storage, Cloud Functions, real-time listeners, offline persistence, and push notifications via FCM. Supabase for relational backends, row-level security, real-time subscriptions, and Edge Functions. I have built backends that scale quietly and never surprise you.
🤖 AI-Powered Features:-
OpenAI GPT-4o integrations, AI chatbots, image recognition, Whisper speech-to-text, voice assistants, smart recommendations, personalised feeds, AI search, and embeddings. I have shipped AI features across 50+ projects. Real intelligence, not buzzwords.
💳 Payments and Subscriptions:-
Stripe, Stripe Connect, RevenueCat, Apple IAP, and Google Play Billing. Subscription paywalls, one-time purchases, marketplace split payments, escrow flows, and in-app purchase restore. I have implemented payments on 100+ projects and know every edge case.
🔌 Integrations I have shipped many times:-
REST and GraphQL APIs, Node.js backends on Vercel, WebSocket and real-time socket integrations, Google and Apple sign-in, Auth0, OAuth 2.0, FCM push notifications, deep linking, Xano, Airtable, Twilio SMS, Google Maps, Mapbox, and third-party SDKs of all kinds.
🚀 App Store and Google Play:-
Full submission, metadata, screenshots, compliance, and approval management for both stores. I handle the entire process so you do not have to learn App Store Connect or Play Console to ship your app.
🏆 Why 100+ founders have trusted me:-
Top Rated Plus with a 100% Job Success Score. MVPs delivered in 4 to 8 weeks. Daily written updates and Loom walkthroughs so you always know where things stand. I challenge bad assumptions early so your budget does not get wasted later. I have never missed a milestone without telling you in advance. Long-term clients refer their friends because the work holds up.
🎯 I am the right fit if you are:-
A startup founder building your first Flutter or FlutterFlow app and need it done right the first time. A product team adding AI features to an existing mobile app. A founder who has been burned by a previous developer and needs someone reliable to take over and ship. A business that needs Firebase or Supabase architecture designed properly before it causes problems at scale.
📩 Send me a message or invite me to your job. I respond within a few hours and I will tell you honestly whether I am the right fit before we start.
Amit G.
has worked
.
$10/hr
91%
Job Success
$100K+ earned
Available now
Start of list.
End of list.
Mobile apps rarely fail at launch. They fail when they scale, break, or stop delivering value to users.
***That is where the real work begins***
I work with startups and businesses to build mobile applications that are not just launched, but are stable, scalable, and built to perform under real user demand. From idea to App Store and Google Play, the focus stays on reliability, speed, and long-term usability.
Over the past 10+ years, I have delivered 50+ mobile apps across iOS and Android, covering everything from early-stage MVPs to production-scale platforms used by growing user bases.
🔹Technology Stack:
- Mobile Apps: React Native, iOS (Swift, SwiftUI), Android (Kotlin, Java), Flutter
- AI/ML: ChatGPT, GPT-4o, Claude, RAG, NLP
- Backend: Node.js, Python, Firebase, REST APIs
- Cloud & Database: AWS, Google Cloud, MySQL, MongoDB
- UI/UX Design: Figma, Adobe XD
Important Note: All discussed ideas and project details are protected under a strict NDA.
🏆𝗔𝗰𝗵𝗶𝗲𝘃𝗲𝗺𝗲𝗻𝘁𝘀:
- 10+ Years of Experience in mobile app development
- 50+ Successful App Launches on App Store & Google Play
- Fluent English & Client-Verified Communication Skills
- 𝐂𝐥𝐢𝐞𝐧𝐭-𝐅𝐢𝐫𝐬𝐭 Philosophy: Quality, Satisfaction & Long-Term Partnerships
🌐 𝐈𝐧𝐝𝐮𝐬𝐭𝐫𝐲 𝐄𝐱𝐩𝐞𝐫𝐢𝐞𝐧𝐜𝐞:-
𝐌𝐨𝐛𝐢𝐥𝐞 𝐀𝐩𝐩𝐬: Dating Apps | Taxi Booking | Food Delivery | Health & Fitness | Education | E-commerce | Social Chat Apps | Music | Restaurant Apps
🔹𝐒𝐤𝐢𝐥𝐥𝐬 & 𝐄𝐱𝐩𝐞𝐫𝐭𝐢𝐬𝐞:-
- AI & Chatbots: ChatGPT, OpenAI, AI-powered real-time chat
- Backend & APIs: Node.js, Python, Firebase, REST API integration
- Payments & Subscriptions: PayPal, Stripe, Razorpay, Google Pay, Apple Pay, In-App Purchases
- Real-time & Media: Chat, Audio/Video Calls, Live Streaming
- Location Services: Google Maps, Real-time Tracking, Geolocation
- App Deployment: App Store & Play Store
- AI and Chatbot Development: AI-powered chat, ChatGPT, OpenAI, Gemini, Deepseek, Replit, n8n
🔹𝐂𝐎𝐍𝐒𝐔𝐋𝐓𝐀𝐓𝐈𝐎𝐍 –
• The best technology stack
• App architecture & scalability strategies
• Cost & timeline estimates tailored to your needs
• Solutions for API integration, UI/UX, real-time features, and more
Message me now to schedule a consultation!
#MobileAppDeveloper #MobileAppDevelopment #AppDevelopment #iOSAppDevelopment #AndroidAppDevelopment #NativeAppDevelopment #CrossPlatformDevelopment #Flutter #ReactNative #Swift #Kotlin #Java #SwiftUI #AndroidSDK #Dart #APIIntegration #RESTAPIs #BackendDevelopment #Firebase #NodeJS #CloudServices #UIUXDesign #PushNotifications #RealTimeChat #InAppPurchases #PaymentGatewayIntegration #LocationServices #AppStoreDeployment #PlayStoreDeployment #AppOptimization #PerformanceTuning #AIIntegration #ChatGPTAPI #MachineLearningMobile #ARMobileApps #EcommerceApp #SocialAppDevelopment #FinTechMobile #HealthTechApp #OnDemandApps
Manjeet K.
has worked
.
Associated with
Techwin Labs LLP
$30/hr
88%
Job Success
$100K+ earned
Available now
Offers consultations
Start of list.
End of list.
✅ Upwork Top Rated Plus & Verified Mobile App Developer
AI-Powered React Native & Flutter Developer | BLE Hardware + LLM Integration Specialist
Most mobile apps fail not because of bad code but because the developer couldn't handle what came after the screens. BLE sync breaks. The AI feature needs to talk to real hardware. The App Store review gets rejected. That's exactly the gap I've built my career around closing.
I'm Muhammad. 7 years building production mobile apps, $100K+ earned across 38 contracts on Upwork, and a Top Rated Plus track record that speaks for itself.
WHAT I ACTUALLY BUILD:
✅ React Native apps, from blank repo to App Store, end-to-end
✅ Flutter apps with BLE/NFC hardware integration (custom protocols, firmware handshake, real-time sync)
✅ AI-powered mobile features with OpenAI, Claude, Gemini APIs wired directly into native UX (not bolted on top)
✅ LLM + RAG pipelines built into mobile, not web wrappers
✅ Node.js backends designed for mobile clients
✅ Native iOS (Swift) when cross-platform is the wrong call
SHIPPED & VERIFIED:
• Medalite: Flutter app with custom BLE light therapy mask. Real-time hardware sync, firmware handshake. $12,300. ⭐ 5 stars.
• Chaser: Long-term React Native engagement platform. $21K+. Client kept building.
• iOS Teleprompter App: High-complexity Swift + React Native, real-time text rendering. $6,500. ⭐ 5 stars.
• AI Analytics for iOS: LLM-powered insights wired into a native iOS app. 135 hours. ⭐ 5 stars.
• Audio App MVP: Full Flutter build. Client returned for more.
Industries: Healthcare · Fitness · Fintech · IoT · AI/ML
I respond within 10 to 15 minutes. I don't ghost milestones.
If the scope is clear, send it and I'll give you a number.
If it's complex, I'll ask the right questions and we'll figure it out together.
Muhammad I.
has worked
.
Associated with
TECHVADERS
$70K+
earned
$17.99/hr
100%
Job Success
$100K+ earned
Offers consultations
Start of list.
End of list.
✨ Top Ranked Freelance Worker
📱 8+ Years of Experience in Mobile App Development
⏳ 5,000+ work hours on Upwork completed | 90%+ success on jobs
💼 Trusted by Over 132 Clients | Client Recommendation Rate of 99%
🚀 Why Choose Me?
✅ Proven Expertise
🔹 Delivered high-quality, scalable applications in a variety of verticals of Fintech, E-commerce, Healthcare, IoT.
🔹 Proficient in cross-platform mobile app development with React Native and Flutter.
🔹 Advanced proficiency in iOS (Swift, SwiftUI) & Android (Kotlin, Jetpack Compose) for native app development.
🔧 Multi-Faceted Services
🛠️ Custom Android, iOS & Hybrid app development.
🔗 Backend API implementation with Node.js, MERN stack & Laravel.
📡 Seamless third-party API integration and microservices-based architecture on AWS & Firebase.
🎨 SEO-Optimized App Design
🎯 Expert in designing user-centric, responsive, and beautiful mobile app designs with Figma & Adobe XD.
📊 Results That Matter
🔹 90% Client Retention Rate – Building lasting connections.
💰 Cost-effective solutions that maintain quality.
🏆 Industries that I Specialize in
✔ Fitness & Well-being – Fitness exercise apps, food tracking apps.
✔ Healthcare – Telemedicine (HIPAA-compliant), records of health.
✔ E-commerce – Grocery shopping apps, food delivery, tracking technology.
✔ Fintech – Budgeting apps, payment gateways, crypto wallets.
✔ Social Networking – Social networking websites, dating websites.
✔ Transportation & Logistics – Ridesharing platforms, fleet operations.
✔ IoT & Smart Devices – Monitoring solutions based on NFC/Bluetooth technology.
✔ Blockchain – Smart contracts, decentralized applications, tokens.
🔍 Technical Skills
📱 Mobile App Development: React Native, Flutter, Kotlin, Swift, SwiftUI, Dart.
🖥️ Backend: Node.js, Express.js, Laravel, REST APIs, GraphQL.
📊 Databases: MySQL, PostgreSQL, MongoDB, Redis, Elasticsearch.
☁ Cloud Platforms: AWS, Firebase, Supabase.
🎨 Frontend: React.js, HTML5, CSS3, TypeScript.
🚀 Emerging Technologies: AI, IoT, AR.
💼 Services Offered
1️⃣ End-to-End Mobile App Development (iOS, Android & Hybrid).
2️⃣ UI/UX-Focused App Design powered by cutting-edge technology.
3️⃣ Backend/API Development & Seamless Integrations.
4️⃣ Ongoing Support & App Maintenance.
5️⃣ Quality assurance and bug fixing.
🤝 Let’s Work Together!
If you need a dedicated developer to make your app vision a reality with precision, ingenuity, and perseverance, let’s get in touch!
📩 Free Consultation:
To discuss your project details, click on ‘Invite to Job’.
Mobile App Developer, React Native Developer, Flutter Developer, iOS App Development, Android App Development, Hybrid App Development, Blockchain, IoT Mobile App, Fintech App Development, Healthcare Apps, Fitness Apps, Mobile App Design.
Jaydeep V.
has worked
.
Associated with
HashMob Technologies
$14/hr
100%
Job Success
$20K+ earned
Available now
Offers consultations
Start of list.
End of list.
I help startups, founders, and businesses turn ideas into scalable mobile applications that users actually love to use.
Over the last 7+ years, I have developed and launched mobile applications for startups, SaaS companies, IoT products, and growing businesses using React Native, Flutter, Node.js, AI integrations, and cloud technologies.
🎯Top 5% in app design & development on Upwork
🎯 100% Job Success (Client Satisfaction Ratio)
🎯Helped companies reduce operational time by up to 50%
🎯Rewarded as 🏆 𝗧𝗢𝗣 𝗥𝗔𝗧𝗘𝗗 🏆 by Upwork
Unlike developers who simply write code, I focus on building products that are:
✅ Launch-ready
✅ Scalable from day one
✅ Designed for growth
✅ Optimized for performance
✅ Built with long-term maintainability in mind
What I Can Help You Build
📱 Custom Mobile Applications
• React Native Apps
• Flutter Apps
• Native iOS & Android Apps
• Cross-Platform Applications
🤖 AI-Powered Applications
• ChatGPT Integrations
• AI Chatbots
• Recommendation Engines
• AI Content Generation
• NLP-Based Features
🌐 Startup MVP Development
• Product Architecture
• Rapid MVP Development
• SaaS Mobile Applications
• Marketplace Platforms
• Subscription-Based Apps
💳 Payment & Subscription Systems
• Stripe
• PayPal
• Apple Pay
• Google Pay
• In-App Purchases
• Subscription Management
📡 IoT & BLE Applications
• Smart Device Integration
• Bluetooth Low Energy (BLE)
• Wearables
• Real-Time Monitoring
• Sensor-Based Applications
☁ Backend & Cloud Infrastructure
• Node.js
• Express.js
• MongoDB
• PostgreSQL
• Firebase
• AWS
• REST APIs
• GraphQL
Why Clients Hire Me
✔ Clear communication throughout the project
✔ Product-focused approach
✔ Clean and maintainable code
✔ Fast turnaround without sacrificing quality
✔ Reliable project delivery
✔ Long-term support after launch
💚 Let’s connect and turn your app idea into a reality!
React Native | Flutter | iOS Development | Android Development | Mobile App Development | Cross-Platform Development | Hybrid App Development | Native App Development | Expo | FlutterFlow | JavaScript | TypeScript | React.js | Node.js | Full Stack Development | AI Integration | ChatGPT API | OpenAI API | Machine Learning | NLP | Chatbot Development | IoT | BLE | Bluetooth Low Energy | Payment Gateway Integration | Stripe | PayPal | Google Pay | Apple Pay | Firebase | AWS | App Store Optimization | App Store Deployment | Play Store Deployment | Push Notifications | REST API | GraphQL | Redux | Zustand | Next.js | MongoDB | PostgreSQL | MySQL | UI/UX Implementation | Dashboard Development | Admin Panel Development | Testing | Performance Optimization | API Integration | MVP Development | SaaS Development
#MobileAppDevelopment #ReactNative #Flutter #iOSAppDevelopment #AndroidAppDevelopment #CrossPlatformApps #AIIntegration #Firebase #StripeIntegration #PayPalIntegration #AppStoreRelease #PlayStoreRelease #UXDesign #MVPDevelopment #IoTIntegration #BLEApps #Chatbots #OpenAI #TensorFlowLite #TopRatedFreelancer #CI_CD #DevOps #Docker #PushNotifications #RealTimeApps #CustomMobileApps
Ankush C.
has worked
.
Associated with
ELYRIA SOFTWARE PRIVATE LIMITED
$900K+
earned
$9.99/hr
100%
Job Success
$20K+ earned
Available now
Offers consultations
Start of list.
End of list.
🕒6+ years of experience
✅ 150+ projects delivered
🔥 𝙒𝙞𝙩𝙝 6+ 𝙮𝙚𝙖𝙧𝙨 𝙤𝙛 𝙚𝙭𝙥𝙚𝙧𝙞𝙚𝙣𝙘𝙚, 𝙄’𝙫𝙚 𝙗𝙪𝙞𝙡𝙩 40+ 𝙢𝙤𝙗𝙞𝙡𝙚 𝙖𝙥𝙥𝙨 𝙩𝙝𝙖𝙩 𝙝𝙖𝙫𝙚 𝙜𝙚𝙣𝙚𝙧𝙖𝙩𝙚𝙙 𝙤𝙫𝙚𝙧 $500K 𝙞𝙣 𝙧𝙚𝙫𝙚𝙣𝙪𝙚 𝙛𝙤𝙧 𝙢𝙮 𝙘𝙡𝙞𝙚𝙣𝙩𝙨. 𝙇𝙚𝙩’𝙨 𝙘𝙧𝙚𝙖𝙩𝙚 𝙖 𝙝𝙞𝙜𝙝-𝙥𝙚𝙧𝙛𝙤𝙧𝙢𝙞𝙣𝙜 𝙖𝙥𝙥 𝙩𝙝𝙖𝙩 𝙙𝙧𝙞𝙫𝙚𝙨 𝙮𝙤𝙪𝙧 𝙗𝙪𝙨𝙞𝙣𝙚𝙨𝙨 𝙛𝙤𝙧𝙬𝙖𝙧𝙙. 📱
🚀 Bringing your ideas to life with 6+ years in Mobile and Web Development. Over 40+ successful projects delivered! Let’s elevate your digital presence together.
📱 𝗠𝗼𝗯𝗶𝗹𝗲 𝗔𝗽𝗽𝗹𝗶𝗰𝗮𝘁𝗶𝗼𝗻 𝗗𝗲𝘃𝗲𝗹𝗼𝗽𝗺𝗲𝗻𝘁 𝗘𝘅𝗽𝗲𝗿𝘁𝗶𝘀𝗲:
Mobile App Development: Flutter & React Native for seamless cross-platform apps.
Web Development: React.js for modern, engaging websites.
Backend Solutions: Node.js & Firebase for robust, scalable systems.
Database Management: SQLite, MongoDB, Firebase.
Cloud Integration: AWS, Google Cloud for reliable performance.
💡 𝗪𝗵𝗮𝘁 𝗬𝗼𝘂’𝗹𝗹 𝗚𝗲𝘁:
✅End-to-End Development: From design to deployment.
✅Ongoing Support: Maintenance, updates, and feature enhancements.
✅Consultation: Tailored strategies for your app’s success.
🎯 Your satisfaction is my priority with high-quality results, timely delivery, and clear communication. Let’s create something amazing together! 🔥
𝗥𝗲𝗮𝗱𝘆 𝘁𝗼 𝗕𝗿𝗶𝗻𝗴 𝗬𝗼𝘂𝗿 𝗔𝗽𝗽 𝗜𝗱𝗲𝗮 𝘁𝗼 𝗟𝗶𝗳𝗲?
🌐 Contact me today to discuss your project!
Kaamish K.
has worked
.