Hire the Best Hybrid App Developers

More than 3,000 reviews on G2
Rating is 4.5 out of 5.
4.5/5
of Upwork by G2 peer reviewers
Viraj M.

Surat, India

$15/hr
5.0
80 jobs

Are you a founder with an app idea but no clue where to start? I've helped 90+ Clients go from rough concept to live products, and I can do the same for you. ๐ˆ'๐ฆ ๐•๐ข๐ซ๐š๐ฃ ๐Œ๐จ๐ซ๐š๐๐ข๐ฒ๐š, a Mobile App Developer with ๐Ÿ”+ ๐ฒ๐ž๐š๐ซ๐ฌ ๐จ๐Ÿ ๐ž๐ฑ๐ฉ๐ž๐ซ๐ข๐ž๐ง๐œ๐ž building mobile apps across industries like health & fitness, food delivery, ecommerce, AI tools, and more. ๐Ÿ† ๐Š๐ž๐ฒ ๐š๐œ๐ก๐ข๐ž๐ฏ๐ž๐ฆ๐ž๐ง๐ญ๐ฌ: โ†’ 90+ apps delivered with 100% Job Success and consistent 5-star client ratings โ†’ Ranked among the top 2% of Mobile App Developers on Upwork โ†’ Helped clients launch apps that reached 500k+ downloads โ†’ Reduced project delivery times by up to 30% for multiple clients ๐–๐ก๐š๐ญ ๐ฆ๐š๐ค๐ž๐ฌ ๐ฐ๐จ๐ซ๐ค๐ข๐ง๐  ๐ฐ๐ข๐ญ๐ก ๐ฆ๐ž ๐๐ข๐Ÿ๐Ÿ๐ž๐ซ๐ž๐ง๐ญ? โ†’ I keep things simple and transparent. Before any code is written, we agree on milestones, timelines, and costs, so there are no surprises along the way. You get regular updates, honest feedback, and an app that's ready for real users when we're done. โœจ ๐‡๐จ๐ฐ ๐ˆ ๐–๐จ๐ซ๐ค: I keep things transparent and simple from day one: 1. Discovery โ†’ I learn your idea, goals, and users deeply before writing a single line of code 2. Planning โ†’ I break the project into clear milestones with timelines and costs agreed upfront, no moving goalposts 3. Build โ†’ Clean, scalable Flutter code with regular updates so you're never left wondering what's happening 4. Launch โ†’ Full App Store & Play Store submission, tested and ready for real users No ghost updates. No surprise costs. Just a working app, delivered as agreed. โœจ ๐–๐ก๐š๐ญ ๐ˆ ๐จ๐Ÿ๐Ÿ๐ž๐ซ: โ†’ End-to-end app development: MVPs, SaaS solutions, and fully custom mobile apps โ†’ Expertise in Flutter, Firebase, Supabase, custom APIs, AI/ChatGPT integrations, in-app purchases, and advanced API systems โ†’ Fast, secure, and user-friendly apps tailored to your business goals โœจ ๐ˆ๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ข๐ž๐ฌ & ๐€๐ฉ๐ฉ ๐ƒ๐จ๐ฆ๐š๐ข๐ง๐ฌ ๐ˆโ€™๐ฏ๐ž ๐–๐จ๐ซ๐ค๐ž๐ ๐ˆ๐ง:โ€จ โœ” AI-Powered Mobile App โœ” Social Media Mobile App โœ” Ecommerce/marketplace Mobile App โœ” Finance and budget management Mobile App โœ” Health, Fitness & Wellness Mobile App โœ” Education app development, edTech Mobile App โœ” On-Demand Service Mobile App (Laundry, Salon, Home Care, etc.) โœ” Food Delivery Mobile App Development with Real-Time Tracking โœ” Marketplace Mobile Apps with Stripe/PayPal Integration โœ” Productivity, To-Do & Task Management Mobile Applications โœ” Travel, Hotel & Ticket Booking Mobile Applications โœ” Real Estate Mobile Apps & Property Listing Mobile Apps โœ” Sports, Events & Entertainment Mobile Applications โœ” MVP Mobile App Development for Startups & Businesses โœ” Health & Fitness Mobile App โœ” Video Streaming Mobile App ๐ŸŒŸ ๐–๐ก๐š๐ญ ๐‚๐ฅ๐ข๐ž๐ง๐ญ๐ฌ ๐’๐š๐ฒ ๐€๐›๐จ๐ฎ๐ญ ๐Œ๐ฒ ๐–๐จ๐ซ๐ค: ๐•๐ข๐ค ๐Œ๐š๐ง๐ง๐ž โญโญโญโญโญ "Viraj was responsive and paid attention to the details and turned around the project on time. Recommend him and wouldn't hesitate to re-hire. Unlike some freelancers who think they know it all and have an attitude, Viraj is easy to work with." ๐Œ๐š๐ฅ๐œ๐จ๐ฆ ๐‰๐ž๐ง๐ค๐ข๐ง๐ฌ โญ๏ธโญ๏ธโญ๏ธโญ๏ธโญ๏ธ "Awesome experience - we completed the app in the timeframe originally agreed upon and it was live on the app store as promised. From the concept to the design to the actual app build, it was a smooth experience." โœจ ๐‹๐ž๐ญ'๐ฌ ๐๐ฎ๐ข๐ฅ๐ ๐˜๐จ๐ฎ๐ซ ๐๐ž๐ฑ๐ญ ๐€๐ฉ๐ฉ Have a mobile app idea or an existing one to upgrade? Letโ€™s connect, Iโ€™ll share a short, clear plan. ๐Ÿšจ Send me your app idea and I'll reply within 8 hours with honest feedback Best Regards, Viraj Moradiya ๐Ÿ”‘ ๐…๐ข๐ง๐ ๐Œ๐ž ๐”๐ฌ๐ข๐ง๐  ๐“๐ก๐ž๐ฌ๐ž ๐Š๐ž๐ฒ๐ฐ๐จ๐ซ๐๐ฌ: Flutter developer | Mobile app developer | App development | App development company | Mobile app development company | Android app development | Mobile application development | Freelance app developer | Flutter app development | Flutter app | Flutter mobile app | Flutter application | Flutter mobile application | Flutter mobile app developer | Full stack flutter developer | Flutter app | Flutter app developer | AI app developer | Flutter Supabase | Mobile app development | MVP app development | MVP App developer | application developer | Ai application developer | Full stack developer flutter | Flutter expert | MVP developer | MVP app developer | Fitness app developer | AI mobile app developer | Hire Mobile app developer | Hire iPhone developer | Android app developer | iOS app developer | iPhone app developer | Swift | iPad app developer | iOS development | Fitness app developer | App developer | Ai Mobile app developer | Mobile application develper | AI App developer | App developer | MVP App developer | Real estate app development | Healthcare app development | App Development | AI App developer

  • Mobile App
  • Dart
  • Flutter
  • App Development
  • Android
  • Mobile App Development
  • Mobile App Design
  • Hybrid App Development
  • Smartphone
  • Flutter Stack
  • Android App Development
  • iOS Development
  • User Profile Creation
  • AI Mobile App Development
  • Firebase
  • Android App
  • Mobile App Development Consultation
  • Swift
  • iPad App Development
  • iPhone & iPad Apps
Michael J.

West Bloomfield Township, Michigan

$100/hr
5.0
98 jobs

๐Ÿซก Extremely Reliable, Communicative and Fast ๐Ÿฅ‡ The Top 1% of Talent (Expert Vetted) ๐Ÿ’ฐ 60+ apps shipped, generating over 8 figures in revenue. โšก AI speed combined with 8 years of production experience to deliver code that ships fast, feels premium, and scales without cracking. (Available for 2 projects in April 2026) ๐Ÿ› ๏ธ Specializing in Mobile App Development | Flutter, Swift, or React | iOS and Android ๐Ÿ‡บ๐Ÿ‡ธ Honored as a Top Mobile App Developer for hire in the United States from 2020-2025. ๐Ÿ† Award Winning Mobile App Developer: previous app featured on Apple's List of Best Language Learning Apps. ๐Ÿ“ฐ Featured on Business Insider for my innovative contributions to mobile app development on Upwork. I've had the privilege of propelling clients to significant milestones, including achieving $2M in Annual Recurring Revenue (ARR). Some notable successes include: - A restaurant subscription app reaching $100K+ Monthly Recurring Revenue (MRR) - A fitness community app achieving $1.5M+ ARR. โญ๏ธ Client Testimonials: "Michael is a gem in the world of mobile app development..." "Among the top 3 developers I've worked with over the past three years..." "A quality developer and a quality human being..." Upwork Stats: ๐Ÿ… Top 1% of Mobile Developers ๐Ÿ… Top 1% of iOS Developers ๐Ÿ… Top 5% of Firebase Developers ๐Ÿ… Top 5% of Swift Developers ๐ŸŽ“ Proud Michigan State University Graduate with a Bachelor's Degree in Computer Science. With a solid eight-year trajectory as a Mobile App Developer, I've honed my skills across a plethora of projects that span iOS and Android platforms, utilizing Flutter and Swift to create high-impact applications. My forte lies in converting ideas into digital realities that propel businesses forward. From crafting engaging user interfaces to optimizing backend processes, my holistic approach ensures a robust and scalable app solution. I thrive in various development scenarios, whether its working with a team to deliver a project on a tight deadline or building an application from scratch all on my own. My experience extends to working with startups that have secured significant venture capital funding, as well as established enterprises aiming to expand their digital footprint. ๐ŸŒŸ Why Choose Me: Client Satisfaction: My reviews reflect the genuine value I provide. Effective Communication: I prioritize prompt and sincere interactions to ensure project fluidity. Mastery: I strive for flawless, visually appealing apps worthy of portfolio inclusion. ๐Ÿ˜ Excited to collaborate! Whether you're a startup aiming to elevate your product or an established enterprise looking to scale, I'm here to help. Letโ€™s kickstart our partnership with a complimentary 30 minute discussion to blueprint your pathway to success. Specialities: Full Stack Development, AI Systems Architect, AI SaaS Developer, SaaS MVP Development, Mobile MVP Development, Cross-Platform Mobile Apps, Mobile App Development, iOS Development, Scalable SaaS Architecture, AI-Powered SaaS, Flutter App Development, React Native App Development, Backend Development, Frontend Development,ย Mobile App Architecture,ย Cross Platform App Development, AI Powered Applications, API Integration, API-Driven Mobile Apps, Cloud Architecture, Production-Ready MVP, Secure APIs, OpenAI Integration, AI Workflow Automation, LLM Integration

  • Mobile App
  • Mobile App Development
  • iOS Development
  • Flutter
  • Swift
  • Android App Development
  • AI Mobile App Development
  • Full-Stack Development
  • AI Development
  • App Development
  • Mobile App Design
  • Dart
  • iOS
  • API Integration
  • Hybrid App Development
  • Android
  • Native App Development
  • Amazon Web Services
  • Smartphone
  • User Authentication
Yogesh M.

Coimbatore South, India

$20/hr
5.0
44 jobs

Are you looking for a reliable mobile app partner who can build, improve, or scale your application while delivering quality results on time? I'm Yogesh, a Mobile App Developer with 13+ years of experience. I've shipped iOS, Android, Flutter, and React Native apps for businesses ranging from on-demand delivery startups to enterprise SaaS platforms. My work has reached over a million end users across multiple countries. I don't disappear mid-project. I don't move goalposts. And I don't hand over apps that fall apart after launch. ๐Ÿ† ๐’๐จ๐ฆ๐ž ๐จ๐Ÿ ๐ฐ๐ก๐š๐ญ ๐ˆ'๐ฏ๐ž ๐›๐ฎ๐ข๐ฅ๐ญ: โ†’ A ride-hailing platform now serving 1M+ customers and 7,000+ drivers across multiple cities in South India โ†’ A vault facility management system with QR-triggered electromagnetic door control and Bluetooth proximity detection for automatic customer identification โ†’ Multiple white-label apps built from a single codebase using app flavour architecture, each released as a separate branded app on both stores โ†’ Payment-integrated apps with Stripe, Razorpay, and PayPal including subscriptions and in-app purchases โ†’ Full App Store and Google Play deployments with CI/CD pipelines using Fastlane โœจ ๐‡๐จ๐ฐ ๐ˆ ๐ฐ๐จ๐ซ๐ค: โ€ข Discovery & Planning โ€“ Requirements, user flows, success metrics โ€ข Scope & Roadmap โ€“ Clear milestones, timelines, estimates โ€ข Agile Delivery โ€“ Sprint-based development with demos & feedback โ€ข Quality Assurance โ€“ Testing, optimisation, bug fixing โ€ข Release Management โ€“ App Store & Play Store deployment โ€ข Post-Launch Support โ€“ Maintenance, enhancements, scaling My goal is simple: Deliver a maintainable, production-ready application with clear visibility into progress, timelines, and costs throughout the project lifecycle. โœจ ๐“๐ž๐œ๐ก๐ง๐ข๐œ๐š๐ฅ ๐ฌ๐ค๐ข๐ฅ๐ฅ๐ฌ: ๐…๐ฅ๐ฎ๐ญ๐ญ๐ž๐ซ & ๐‘๐ž๐š๐œ๐ญ ๐๐š๐ญ๐ข๐ฏ๐ž โœ… 5+ years building production Flutter apps โœ… State management with Bloc, Riverpod, Provider, and Redux โœ… Multi-flavour architecture for white-label and multi-tenant deployments ๐ˆ๐Ž๐’ โœ… Swift, SwiftUI, Objective-C, UIKit โœ… StoreKit, Apple Sign-In, CoreLocation, Push Notifications ๐€๐ง๐๐ซ๐จ๐ข๐ โœ… Kotlin, Jetpack Compose, Android Jetpack components โœ… Google Play Billing ๐๐š๐œ๐ค๐ž๐ง๐ & ๐‚๐ฅ๐จ๐ฎ๐ โœ… Firebase, Supabase, AWS Amplify โœ… RESTful APIs with token-based authentication โœ… WebSocket and real-time data implementations โœ… Amazon and Walmart Marketplace API integration ๐๐š๐ฒ๐ฆ๐ž๐ง๐ญ๐ฌ โœ… Stripe, Razorpay, PayPal โœ… Subscriptions, in-app purchases, multi-currency support ๐‹๐จ๐œ๐š๐ญ๐ข๐จ๐ง & ๐Œ๐š๐ฉ๐ฌ โœ… Google Maps, Mapbox, real-time GPS tracking โœ… Geofencing, ride-sharing flows, logistics tracking ๐‡๐š๐ซ๐๐ฐ๐š๐ซ๐ž & ๐’๐ฉ๐ž๐œ๐ข๐š๐ฅ๐ข๐ฌ๐ญ ๐ˆ๐ง๐ญ๐ž๐ ๐ซ๐š๐ญ๐ข๐จ๐ง๐ฌ โœ… Bluetooth Low Energy for proximity detection and device communication โœ… QR code hardware triggers for physical access control โœ… WebView-to-native communication bridge โœ… Internal app distribution outside public app stores ๐ƒ๐ž๐ฏ๐Ž๐ฉ๐ฌ โœ… CI/CD with GitHub Actions, Bitbucket Pipelines, Fastlane โœ… TestFlight, Firebase App Distribution, App Store and Play Store โœจ ๐ˆ๐ง๐๐ฎ๐ฌ๐ญ๐ซ๐ข๐ž๐ฌ ๐ˆ'๐ฏ๐ž ๐ฐ๐จ๐ซ๐ค๐ž๐ ๐ข๐ง: โœ” Fintech & Payments โœ” Ride-Sharing & Real-Time Logistics โœ” E-commerce & Marketplace โœ” On-Demand Services โœ” SaaS & Business Intelligence โœ” Facility & Access Management โœ” Health, Fitness & Wellness โœ” Media & Video Streaming โœ” Education & EdTech โœ” Social Networking โœ” Assistive Technology โœ” IoT & Hardware-Integrated Apps โœ” Retail & Inventory Management ๐–๐ก๐ฒ ๐œ๐ฅ๐ข๐ž๐ง๐ญ๐ฌ ๐œ๐จ๐ฆ๐ž ๐›๐š๐œ๐ค: 13+ years means I've already run into the problems that catch out less experienced developers. I know where projects go wrong and I know how to keep them on track. I handle the full lifecycle from architecture decisions through third-party integrations to store submissions and post-launch support. Clients don't need to manage me. They just need to tell me what they're trying to build. ๐Ÿšจ ๐†๐จ๐ญ ๐š๐ง ๐š๐ฉ๐ฉ ๐ข๐๐ž๐š ๐จ๐ซ ๐š๐ง ๐ž๐ฑ๐ข๐ฌ๐ญ๐ข๐ง๐  ๐š๐ฉ๐ฉ ๐ญ๐ก๐š๐ญ ๐ง๐ž๐ž๐๐ฌ ๐ฐ๐จ๐ซ๐ค? Send me a message and I'll come back within 8 hours with honest feedback and a clear plan. Best Regards, Yogesh โญ๏ธ ๐’๐ž๐ซ๐ฏ๐ข๐œ๐ž๐ฌ ๐ˆ ๐๐ซ๐จ๐ฏ๐ข๐๐ž: Flutter developer | React Native developer | Mobile app developer | iOS developer | Android developer | Swift developer | Kotlin developer | SwiftUI | Jetpack Compose | Cross-platform app development | Firebase developer | Supabase developer | MVP app developer | Fintech app developer | Ride-sharing app developer | Food delivery app developer | On-demand app developer | Real-time GPS tracking app | Payment gateway integration | Stripe integration | E-commerce app developer | Social media app developer | Video streaming app | App Store deployment | Google Play deployment | CI/CD mobile | Fastlane | Enterprise mobile app developer | Hire Flutter developer | Hire React Native developer | Hire iOS developer | Hire Android developer | Multi-flavour app development

  • Swift
  • Flutter
  • Objective-C
  • Mobile App Development
  • iOS Development
  • Apple Xcode
  • Kotlin
  • Java
  • Google Analytics
  • Firebase
  • Android App Development
  • Dart
  • AWS Amplify
  • Hybrid App Development
  • Database Architecture
  • React Native
  • Food Delivery Application
  • Location-Based Service
  • SwiftUI
  • AI Mobile App Development
Oleg R.

London, United Kingdom

$40/hr
4.8
80 jobs

Full stack mobile app developer with 15+ years of experience in Mobile App Development, specializing in Flutter, React Native, React, IOS, Swift, Android, Python, and Java. I have successfully delivered 120+ mobile applications in different roles as flutter app developer, flutter full stack developer, flutter flow, ai mobile app developer, mobile app design, mobile ui ux designer, ios developer, android developer, react native developer, mobile game developer achieving a 5-star rating on Upwork and helping clients scale their businesses with high-performance solutions. ๐Ÿš€ Flutter Mobile App Developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer for Mobile app development project. Expert in Flutter mobile app development, delivering 30+ high-performance apps with pixel-perfect UI and smooth animations. Skilled in clean architecture and comprehensive testing for robust solutions. Experienced Mobile App Developer. ๐Ÿ”น Applied game mechanics for engaging experiences in mobile development where I was a Mobile Game Developer. ๐Ÿ”น Integrated real-time features, secure authentication, and cloud functions as Flutter Firebase Developer. ๐Ÿ”น Built seamless API integrations and data synchronization in mobile development in Flutter mobile app development as a Flutter Laravel Specialist. ๐Ÿš€ iOS app developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer in mobile app development: Developed and optimized 40+ iOS apps using Swift. Implemented complex features as iOS app developer, maintaining clean architecture and best practices. Leveraged extensive experience as iOS developer Swift to create intuitive user experiences and solve challenging technical problems. Collaborated with cross-functional teams as Swift iOS developer, utilizing Kotlin Swift expertise to deliver high-quality applications on time and exceed client expectations on iOS Swift smartphone platforms. ๐Ÿš€ Android Developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer in mobile app development: Built 30+ Android apps with adaptive UI, material design, and battery-friendly performance. Expert in Android Kotlin developer, leveraging Kotlin Swift and Kotlin Multiplatform for cross-platform solutions. Optimized security as Android reverse engineer and streamlined releases as Android app publisher, enhancing engagement and update efficiency. ๐Ÿš€React Native Developer | Mobile UI/UX Designer | Mobile Game Developer | Mobile Web Developer in mobile app development: Built 20+ cross-platform apps with responsive UI and seamless sync. Expert in React Native mobile, React Native Expo, and React Native Firebase for real-time features. Optimized communication with React Native WebRTC. Crafted interactive experiences as React JS and Front End React specialist. Developed hybrid solutions as Java React expert, maximizing code reuse. ๐Ÿ“ฑ Performance & Scalability: Built apps supporting 1M+ users, integrating real-time updates, gamification, and video streaming. ๐Ÿ’ฐ Business Impact: Helped startups and enterprises generate $10M+ in revenue through well-optimized and engaging mobile applications. iOS App Development Case Study ๐Ÿ“ฑ Developed a high-performance iOS app using iOS Swift that achieved 5 star rating and featured status in the App Store. Implemented Flutter iOS compatibility for future cross-platform expansion while maintaining native performance and security. Supported iOS app marketing efforts with analytics implementation and App Store optimization, resulting in 35% higher user retention than industry average. I am currently not accepting WordPress projects as I'm focusing exclusively on mobile app development. Professional Achievements ๐Ÿš€ Rewarded as ๐Ÿ† ๐—ง๐—ข๐—ฃ ๐—ฅ๐—”๐—ง๐—˜๐—— ๐—ฃ๐—Ÿ๐—จ๐—ฆ ๐Ÿ† ๐Ÿš€ 4154 mobile app development hours on Upwork and still counting ๐Ÿš€ 100% Job Success in mobile app development (Client Satisfaction Ratio) ๐Ÿš€ 54+ mobile app development jobs completed successfully โœ… 98% of Clients Recommended working with me as with AI Mobile App Developer โœ… 80% Long-term Repeat Clients โœ… 15+ Years Of Experience in mobile app development, 6 years experience in Flutter mobile app development, 7 years experience in Swift and Kotlin, 4 years experience in React Native. โœ… High-Quality Work โœ… Cost-Effective AI Mobile App Developer โœ… Fluent English Verified โœ… 93% on-time delivery rate across all mobile app development milestones Got an app idea that you think is ready to make a splash? Let's dive in and explore it together in a free intro call

  • Mobile App
  • Mobile App Development
  • Flutter
  • iOS Development
  • Android App Development
  • Kotlin
  • Generative AI
  • Large Language Model
  • AI Agent Development
  • React Native
  • Web Development
  • Smartphone
  • React
  • JavaScript
  • Laravel
  • Python
  • Node.js
  • AI Mobile App Development
  • Swift
  • Hybrid App Development
Navpreet K.

Kapurthala, India

$20/hr
4.4
221 jobs

I help startups and businesses build Flutter & React Native mobile apps for iOS and Android โ€” from idea to App Store and Play Store launch โ€” with clean code, clear communication, and reliable delivery. I specialize in end-to-end Flutter and React Native app development โ€” handling everything from architecture and UI to backend APIs, Firebase integration, testing, and deployment to App Store and Play Store. What I can help you with- โœ… Flutter & React Native mobile app development (iOS & Android) โœ… Swift (iOS) and Kotlin (Android) native app development โœ… Firebase, REST API & third-party integrations (Twilio, Google Maps, Push Notifications, Social Login, In-App Purchases) โœ… MVP development for startups โ€” from wireframe to live app โœ… Backend systems with Node.js, Laravel, or custom APIs โœ… Performance, security, and scalability improvements My approach- โœ… Clear requirements & realistic timelines โœ… Clean, maintainable architecture โœ… Regular updates & transparent communication โœ… Long-term thinking, not quick hacks Industries & platforms I've worked on ๐Ÿ‘‡ Mobile Apps (Flutter / React Native / Swift / Kotlin): Food delivery, taxi booking, health & fitness, education, e-commerce, social apps, music, restaurant management Web & Software Platforms: ERP, CRM, inventory systems, POS, booking platforms, marketplaces, real estate, SaaS products I've worked on 100+ projects, helping clients turn ideas into stable, production-ready apps that are easy to maintain and scale. If you're looking for a developer who takes full ownership of your product through the complete mobile app development lifecycle โ€” let's talk. All discussions are kept confidential and can be covered under NDA.

  • Mobile App
  • Mobile App Development
  • Android App Development
  • iOS Development
  • Flutter
  • React Native
  • App Development
  • AI Mobile App Development
  • Smartphone
  • In-App Purchases
  • User Authentication
  • User Profile Creation
  • Node.js
  • Hybrid App Development
  • Native App Development
  • Swift
  • Kotlin
  • Dart
  • Firebase
  • API Development
Harish K.

Mohali, India

$20/hr
4.4
349 jobs

I am a Full Stack Web & Mobile App Developer with expertise in Web Development, iOS & Android App Development (Top 3%), maintaining 100% Client Satisfaction on Upwork and successfully delivering hundreds of projects across industries. I am a Top-Rated Plus Mobile App Developer specializing in Flutter, React Native, iOS (Swift), Android (Kotlin) and Full-Stack Application Development. I build AI-powered 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 have had the opportunity to work with numerous startups, scale-ups and enterprises, helping them design, develop, launch and scale high-performance mobile and web applications that work flawlessly across devices. โœ… 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 ๐Ÿ’ก Having Expertise In: - AI-Powered Mobile Applications - Real-Time Video Streaming Apps - 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 ๐ŸŽฏKey Milestones: ๐Ÿš€ Rewarded as ๐Ÿ† ๐—ง๐—ข๐—ฃ ๐—ฅ๐—”๐—ง๐—˜๐—— ๐—ฃ๐—Ÿ๐—จ๐—ฆ ๐Ÿ† by Upwork (๐—ง๐—ผ๐—ฝ ๐Ÿฏ%) ๐Ÿš€ 7000+ personal hours on Upwork and still counting ๐Ÿš€ 100000+ agency hours on Upwork and still counting ๐Ÿš€ 100% Job Success (Client Satisfaction Ratio) ๐Ÿš€ 500+ jobs completed successfully as an Agency ๐ŸŽฏ 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 โœ… Health and Fitness Apps โœ… GPS/ Geo Location Apps โœ… Trade Apps โœ… Homeowner/Contractor App โœ… Artificial Intelligence based Apps โœ… Bluetooth / BLE Integration Apps โœ… Food Delivery Apps โœ… Nutrition Planning Apps โœ… Restaurant Search Apps โœ… Salon Booking Apps โœ… Gym Booking Apps โœ… Taxi Apps โœ… AI Powered Apps โœ… E-commerce Apps โœ… Dating and TikTok Style Apps โœ… Video Streaming, Voice Calling, Chat and Messaging Apps โœ… Real Estate Apps โœ… Driver Instructor Finding Application โœ… Hotel and Travel Booking Apps โœ… E-Learning Mobile Application โœ… Wellness & Meditation Application โœ… NDI's Industry Applications ๐ŸŽฏ Areas of Expertise โ—‰ Mobile App Development: Swift, Objective C, Kotlin, Java, Jetpack โ—‰ Cross-Platform App Development: Flutter (Dart), React Native โ—‰ Backend Development: Node JS, Nest JS, Laravel, PHP, Express โ—‰ Frontend Development: React JS, Next JS, Angular, HTML5, CSS3 โ—‰ API Development & Integrations: REST APIs, AWS Lambda, API Gateway โ—‰ Databases & Cloud Storage: MySQL, MongoDB, Firebase, DynamoDB โ—‰ Real-Time App Features: Socket IO, Firebase Real Time Database, Twilio โ—‰ Payment Gateway Integration: Stripe, Razorpay, PayPal, Braintree โ—‰ Maps & Location Services: Google Maps, Apple Map Kit, GPS Tracking โ—‰ 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. ๐Ÿ”น 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) ๐Ÿ‘‰ Letโ€™s start with a FREE 15โ€“30 minute consultation to discuss your project and define the best approach. Contact us today to discuss your projectย requirements.

  • Flutter
  • iOS Development
  • Smartphone
  • User Profile Creation
  • Android App Development
  • iOS
  • Mobile App Development
  • Chat & Messaging Software
  • User Authentication
  • Hybrid App Development
  • In-App Purchases
  • Web Development
  • React Native
  • Android
  • AI Chatbot
  • React
  • JavaScript
  • iPad App Development
  • API
  • API Integration

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