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4.8/5
Based on 1,283 client reviews
Richard M.

Miami, Florida

$90/hr
5.0
36 jobs

๐Ÿ† With a "Top Rated Plus" and "100% Job Success Score", I ensure your project will be successful. My approach is focused on best practices and integrity along with complete transparency and outstanding communication. My services include: ๐Ÿ”ด Mobile app development. iOS and Android native. Cross-platform development (React-Native, Flutter) ๐Ÿ”ด Web development. Full web design and development solutions. ๐Ÿ”ด Expert Mobile UX/UI App Design. Figma. 14 years experience. UX/UI, user personas, brand guidelines, etc ๐Ÿ”ด Project Consulting/Management. Jira. 15 years experience. ๐Ÿ”ด Assemble development teams with senior level developers, artists and testers. I would love to speak with you about your project! Let's get to work! Thank you, Richard Markese

  • Mobile App Development
  • Mobile App Improvement
  • Android App Development
  • iOS Development
  • Mobile App Redesign
  • User-Centered Design
  • UX & UI
  • User Interface Design
  • User Experience Design
  • Mobile App Strategy
  • Web Development
  • User Experience
  • Project Management
  • Business Consulting
Bradley P.

Denver, Colorado

$150/hr
4.9
18 jobs

I am a highly skilled and experienced web and mobile full stack developer with a passion for creating innovative and user-friendly applications. With over 10 years of industry experience, I have successfully delivered a wide range of projects, from simple websites to complex web and mobile applications. Mobile Development: - Experience in building native mobile applications for iOS and Android using technologies like Swift, Kotlin, or React Native. - Knowledge of mobile app development frameworks, libraries, and tools, including Xcode and Android Studio. Frontend Development: - Proficient in HTML5, CSS3, JavaScript, and modern frontend frameworks such as React and Angular. - Experience in developing responsive web applications that work seamlessly across different devices and browsers. - Strong understanding of UI/UX principles to create visually appealing and intuitive user interfaces. Backend Development: - Expertise in server-side programming languages like Node.js, Python, or Ruby. - Familiarity with backend frameworks such as Express, Django, or Ruby on Rails. - Database design and implementation using SQL (e.g., MySQL, PostgreSQL) or NoSQL (e.g., MongoDB, Firebase). Additional Skills: - RESTful API development and integration. - Version control systems (e.g., Git) and collaborative development workflows. - Knowledge of cloud platforms like AWS, Azure, or Google Cloud for deploying and scaling applications. - Testing and debugging techniques to ensure high-quality code and robust applications. - Familiarity with Agile methodologies and project management tools. Throughout my career, I have been recognized for my strong problem-solving abilities, attention to detail, and commitment to delivering projects on time and within budget. I thrive in collaborative environments and enjoy working closely with cross-functional teams to translate business requirements into technical solutions. If you're looking for a dedicated and versatile full stack developer who can bring your ideas to life, I would love to discuss how I can contribute to your project. Feel free to reach out to me to discuss your requirements in detail.

  • Mobile App Development
  • Android App Development
  • iOS Development
  • Node.js
  • AWS Lambda
  • Objective-C
  • MongoDB
  • Swift
  • Push Notifications
  • AWS Cloud9
  • Flutter
  • React Native
  • Java
  • Svelte
  • Kotlin
  • Mobile App Design
Michael J.

West Bloomfield Township, Michigan

$100/hr
5.0
100 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 Development
  • Smartphone
  • Android App Development
  • API Integration
  • Hybrid App Development
  • iOS Development
  • Mobile App
  • Native App Development
  • Flutter
  • Swift
  • AI Mobile App Development
  • Full-Stack Development
  • AI Development
  • App Development
  • Mobile App Design
  • Dart
  • iOS
  • Android
  • Amazon Web Services
  • User Authentication
Murtaza M.

Harris County, Texas

$20/hr
5.0
2 jobs

Top 1% Mobile App Developer on Upwork | Flutter, iOS & Android | AI-Powered Apps | 100% Job Success ๐—ง๐—ถ๐—ฟ๐—ฒ๐—ฑ ๐—ผ๐—ณ ๐—บ๐—ผ๐—ฏ๐—ถ๐—น๐—ฒ ๐—ฎ๐—ฝ๐—ฝ๐˜€ ๐˜๐—ต๐—ฎ๐˜ ๐—ฐ๐—ฟ๐—ฎ๐˜€๐—ต ๐˜‚๐—ป๐—ฑ๐—ฒ๐—ฟ ๐—ฟ๐—ฒ๐—ฎ๐—น ๐˜‚๐˜€๐—ฒ๐—ฟ๐˜€, ๐—ผ๐—ฟ ๐—ฑ๐—ฒ๐˜ƒ๐—ฒ๐—น๐—ผ๐—ฝ๐—ฒ๐—ฟ๐˜€ ๐˜„๐—ต๐—ผ ๐—ฑ๐—ถ๐˜€๐—ฎ๐—ฝ๐—ฝ๐—ฒ๐—ฎ๐—ฟ ๐—บ๐—ถ๐—ฑ-๐—ฝ๐—ฟ๐—ผ๐—ท๐—ฒ๐—ฐ๐˜? I have solved that exact problem for 60+ founders and businesses. My clients launch apps that hold up on Day One, clean Flutter/native code, App Store & Google Play ready, and AI features that actually work. 100% Job Success, Top Rated, 9+ years of experience, 30+ apps live in the market. โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐ŸŽฏ ๐—ช๐—›๐—”๐—ง ๐—œ ๐—•๐—จ๐—œ๐—Ÿ๐—— โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โ–ธ FULL-CYCLE MOBILE APP DEVELOPMENT From idea to App Store/Play Store launch. Flutter, Android, and iOS apps built for real users from day one. โ–ธ CROSS-PLATFORM APPS (FLUTTER + REACT NATIVE) One codebase, native performance on both iOS and Android. Faster delivery without sacrificing quality. โ–ธ NATIVE ANDROID & iOS DEVELOPMENT Platform-specific builds when performance or deep OS integration matters most. โ–ธ AI-POWERED MOBILE APPS OpenAI API integration for smart features chat, recommendations, automation implemented cleanly, no over-engineering. โ–ธ ON-DEMAND & MARKETPLACE APPS Ride booking, food delivery, real estate listing, e-commerce Uber/Airbnb-style apps built end-to-end. โ–ธ BACKEND & API DEVELOPMENT Node.js, Python (FastAPI/Flask/Django), REST & GraphQL APIs, connected to Firebase, MySQL, MongoDB, or your stack of choice. โ–ธ CODE AUDIT & APP STABILIZATION Inherited a buggy app? I audit performance, crashes, and architecture, then deliver a fix plan fast. โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿ’ฌ ๐—–๐—Ÿ๐—œ๐—˜๐—ก๐—ง ๐—™๐—˜๐—˜๐——๐—•๐—”๐—–๐—ž โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” Review 1: Great experience working with Murtaza Moiz on our mobile app project. He's skilled in Flutter, Dart, Node.js, and API Integration, and delivered clean, functional code on time. Communication was smooth, and he was open to feedback. Highly recommended for Mobile App Development. Review 2: Murtaza Moiz is professional and responsive, with strong skills in Cross Platform and iOS/Android App Development using Flutter. He delivered a well-designed app with smooth UI and RESTful API integration, even adding some AI features. โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿ† ๐—–๐—ฅ๐—˜๐——๐—˜๐—ก๐—ง๐—œ๐—”๐—Ÿ๐—ฆ โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” - Top 1% Talent on Upwork Mobile App Development - 100% Job Success, 60+ Projects Delivered - 30+ Apps Live on App Store & Google Play - 9+ Years of Experience - AI Mobile App Development (OpenAI Integration) โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿš€ ๐—›๐—ข๐—ช ๐—ช๐—˜ ๐—ฆ๐—ง๐—”๐—ฅ๐—ง โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” โœ‰๏ธ MESSAGE ME ON UPWORK Have a mobile app idea, or an existing app that needs fixing? Message me for a free consultation and a clear plan to launch faster. How I Work Full-cycle mobile apps in Flutter, Android, iOS, with clean backend and API integration. Figma designs turned into pixel-perfect UI, progress tracked in Jira/Trello, communication through clear updates, and delivery with long-term support after launch. โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” ๐Ÿ› ๏ธ ๐—ง๐—ข๐—ข๐—Ÿ๐—ฆ & ๐—ง๐—˜๐—–๐—›๐—ก๐—ข๐—Ÿ๐—ข๐—š๐—ฌ โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ”โ” Mobile Development Flutter, Dart, React Native, Android (Kotlin/Java), iOS (Swift) Backend & Databases Node.js, Python (FastAPI, Flask, Django), Firebase, Firestore, MySQL, MongoDB, SQLite APIs & Integrations REST API, GraphQL, OpenAI API, Firebase Cloud Functions Cloud & Deployment AWS, Google Cloud, Firebase Design & Collaboration Figma, Adobe XD, Material Design, Cupertino Widgets, Git, GitHub, GitLab, Bitbucket, Jira, Trello Solutions Delivered Ride/Booking Apps, Real Estate Apps, Social Media Apps, Sports Apps, Food Delivery Apps, E-commerce Apps, Learning Management Apps, Appointment Booking Apps, CRMs, On-demand Apps Mobile App Developer, Flutter Developer, iOS Developer, Android Developer, AI Mobile App Development, Cross-Platform App Development ๐Š๐ž๐ฒ๐ฐ๐จ๐ซ๐๐ฌ: Flutter, Dart, OpenAI API, Full Stack Developer, Back End Developer, API Integration, Node.js, SQL, Mobile App Development, Mobile App Developer, Android App Development, Android App Developer, AI Mobile App Development, AI Mobile App Developer, Mobile App Design, Mobile App UI Design, Responsive Design, UI/UX Designer, Prototyping, Mobile App API Integration, iOS App Developer, iOS App Development, Hybrid App Development, Cross Platform App Development, Express.js, RESTful API, Machine Learning App Integration, Senior Mobile App Developer, Software Designer #Flutter #Dart #OpenAIAPI #FullStackDeveloper #BackEndDeveloper #APIIntegration #Nodejs #SQL #MobileAppDevelopment #MobileAppDeveloper #AndroidAppDevelopment #AndroidAppDeveloper #AIMobileAppDevelopment #AIMobileAppDeveloper #MobileAppDesign #MobileAppUIDesign #ResponsiveDesign #UIUXDesigner #Prototyping #MobileAppAPIIntegration #iOSAppDeveloper #iOSAppDevelopment #HybridAppDevelopment #CrossPlatformAppDevelopment #Expressjs #RESTfulAPI #MachineLearningAppIntegration #SeniorMobileAppDeveloper #SoftwareDesigner

  • Mobile App Development
  • Mobile App Bug Fix
  • Android App Development
  • API Integration
  • Hybrid App Development
  • iOS Development
  • AI Mobile App Development
  • Website to Mobile App Conversion
  • Mobile App Design
  • Mobile App Redesign
  • Mobile UI Design
  • Mobile App Testing
  • Back-End Development
  • Flutter
  • Node.js
  • ExpressJS
  • Dart
  • Firebase
  • Supabase
  • REST API
Faisal K.

Swampscott, Massachusetts

$20/hr
5.0
2 jobs

Iโ€™ve Delivered 50+ Mobile Apps Used by Thousands of Users Across iOS & Android. High-Performance Apps. Scalable Architecture. Built for Real Growth. ๐Ÿ“ฑ 50+ Mobile Apps Delivered startups, SaaS, and business platforms โœ… Apps reaching 100K+ downloads across app stores โšก Performance optimization improving speed & stability across production apps ๐Ÿง  Built AI-powered apps with chat features, automation, and smart workflows I develop fast, scalable, and user-focused apps for iOS and Android. From MVPs to full-scale platforms, I build products that are reliable, efficient, and ready for real-world growth. Client Feedbacks โ€œFaisal did an excellent job on our app FitTrack Pro. The performance improvements and UI quality were outstanding.โ€ โ€œFaisal did an excellent job on our app FitTrack Pro. The performance improvements and UI quality were outstanding.โ€ Founder @ FTPRO โ€œHe built our app QuickServe POS from scratch and delivered exactly what we needed. Highly reliable and professional.โ€ Product Manager @ Retail Tech Company โ€œGreat experience working on EduSmart Learning App. Clean code, fast delivery, and strong communication throughoutโ€. CTO @ EdTech Platform What I Do โœ… iOS & Android App Development (Native & Cross-Platform) โœ… Flutter & React Native App Development โœ… AI-Powered Apps (Chatbots, AI features, automation) โœ… SaaS Mobile Apps & MVP Development โœ… UI Implementation from Figma / Adobe XD โœ… API Integration & Backend Connectivity โœ… App Optimization, Bug Fixing & Performance Tuning โœ… App Store & Google Play Deployment โœ… Payment Integration, Push Notifications, Authentication Tech Stack (Latest Technologies) Flutter, React Native, iOS, Android Dart, Kotlin, Swift, JavaScript Firebase, REST APIs, Node.js OpenAI API, AI Chat Features, Automation Tools Git, Figma, App Store Connect, Google Play Console Why Clients Work With Me โœ” Clean, scalable, production-ready code โœ” Strong focus on performance & UX โœ” Fast communication & reliable delivery โœ” Experience across startups, SaaS, and business apps โœ” Long-term support and scalability mindset ๐Ÿ† Why Me Over Other Mobile App Developers on Upwork? Iโ€™ve been building mobile apps for over 15 years, working with startups, SaaS products, and growing businesses across multiple industries. The apps Iโ€™ve developed are used by real users in production, with a strong focus on performance, scalability, and long-term reliability. From MVPs to full-scale platforms, I understand what it takes to turn an idea into a successful mobile product. 50+ apps delivered and 100K+ downloads is proof that I can build and scale mobile applications that perform in real-world conditions. If you're serious about launching and scaling a mobile app that performs, letโ€™s talk.

  • Mobile App Development
  • Android App Development
  • iOS Development
  • Mobile App
  • Android App
  • Application Security
  • App Design
  • App Development
  • App Store Optimization
  • Flutter
  • React
  • React Native
  • Firmware Programming
  • AI App Development
  • Application Server
  • Kotlin
Serhii L.

Richardson, Texas

$40/hr
4.9
111 jobs

AI mobile apps have become the primary way businesses connect with customers, streamline operations, and accelerate growth. As a Mobile App Developer (React Native, Flutter, Kotlin, Swift), I help startups, growing companies, enterprises transform ideas into scalable mobile products that deliver measurable business value. Whether youโ€™re building a new application or modernizing an existing one, I focus on creating high-quality solutions powered by modern technologies and AI For more than 10 years, our team has been designing, developing, and scaling mobile products for iOS and Android for companies worldwide. We combine the expertise of Mobile App Developer specialists, React Native engineers, Flutter developers, iOS Developer professionals, and Android developers to build secure, scalable, and user-friendly mobile applications. Our experience also includes AI-powered features, backend development, API integrations, and cloud-native architectures Our company metrics: โ€ข 10+ years of full stack software development experience โ€ข 200+ successfully delivered projects โ€ข 20,000+ tracked hours on Upwork โ€ข 40+ software engineers and mobile specialists โ€ข $1M+ earned through successful client engagements โ€ข 5+ years average commercial experience per developer As a Mobile App Developer (React Native, Flutter), I work closely with founders to define product strategy, validate ideas, and deliver production-ready applications. Our team builds cross-platform solutions using React Native and Flutter, as well as native applications for iOS Developer (Swift) and Android (Kotlin) environments. We also integrate AI capabilities where they create real business value, helping companies automate workflows, personalize user experiences, and improve operational efficiency Our projects range from startup MVPs to enterprise platforms supporting thousands of users. Every Mobile App Developer on our team collaborates with experienced Flutter developers, React Native engineers, Android developers, iOS Developer specialists, Swift developers, Kotlin engineers, full stack developer teams, web developer professionals, and backend engineers to deliver reliable products from concept to launch We specialize in mobile app development across various industries. Whether the project requires Flutter, React Native, or native Android and iOS development, our focus remains the sameโ€”building applications that are fast, secure, intuitive, and ready to scale Our mobile app development expertise (iOS, Android) extends beyond coding. We help clients choose the right architecture, define product roadmaps, optimize user experience, and integrate AI-powered functionality into existing and new mobile products. Working alongside flutter developer, android developer, Swift iOS developer, web developer, full stack developer teams allows us to deliver complete end-to-end mobile solutions instead of isolated development services We regularly build AI mobile applications using React Native, Flutter, Java, Kotlin, Swift, React, Python, Kotlin, and Laravel, integrating secure APIs, cloud services, payment systems, authentication, push notifications, analytics, and AI-powered automation. Every Mobile App Developer on our team understands how to create applications that perform consistently across Android and iOS devices while maintaining excellent user experiences Every Mobile App Developer (Android, iOS) on our team focuses on building products that combine outstanding performance, scalability, and long-term maintainability. Using React Native, Flutter, Swift, native Android, and iOS Developer best practices, we create applications that support rapid business growth and evolving customer needs. Our web developer, flutter developer, android developer, iOS developer teams collaborate throughout the entire product lifecycle, while AI technologies help deliver smarter mobile experiences, personalized recommendations, intelligent automation, and data-driven decision making AI has become an important part of modern AI mobile app development. We help businesses integrate AI into mobile products (Android, iOS) through intelligent assistants, automation, predictive features, recommendation engines, and AI-driven user experiences. Instead of adding AI as a trend, we implement practical solutions that improve customer engagement and simplify business operations Whether you need an AI Mobile App Developer to launch a new MVP, migrate an existing application to React Native or Flutter, modernize an Android Kotlin application, improve an iOS Swift product, or expand your engineering team, we can help. If youโ€™re looking for a trusted Mobile App Developer with expertise in React Native, Flutter, iOS Developer, Android, Swift, Kotlin, and scalable mobile app development, letโ€™s discuss your project and build a solution that creates lasting business value

  • Mobile App Development
  • Android App Development
  • iOS Development
  • Native App Development
  • Flutter
  • Android
  • React Native
  • Node.js
  • JavaScript
  • Firebase
  • React
  • PHP
  • Java
  • Swift
  • HTML
  • iPhone & iPad Apps
  • Dart
  • Kotlin
  • iOS

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