๐ Hi, I'm Fahad Khan
I build high-performance Flutter apps, native iOS & Android applications, and professional websites for startups and growing businesses that need to launch fast โ without sacrificing scalability, security, or code quality.
With 100+ projects delivered and a 100% Job Success Score, I help founders, product teams, and businesses turn ideas into reliable, revenue-generating digital products โ whether that's a cross-platform mobile app, a native iOS/Android application, or a conversion-optimized website.
๐ฑ Mobile App Development (Flutter | iOS | Android)
Most mobile apps fail not because of UI โ but because of weak backend logic and poor system design. That's where my background becomes a strength.
I build Flutter, native iOS (Swift/SwiftUI), and Android (Kotlin/Java) apps that integrate with secure backends, REST APIs, and admin dashboards โ making your app the execution layer of a complete product, not just a standalone front end.
โ Flutter โ cross-platform iOS & Android from a single codebase
โ Native iOS โ Swift, SwiftUI, Xcode, App Store deployment
โ Native Android โ Kotlin, Java, Google Play deployment
โ Startup MVPs โ validate your idea fast
โ Business & internal apps with real workflows
โ Customer-facing production-ready apps
โ Firebase, Supabase, Node.js & Laravel backend integration
โ Push notifications, payments (Stripe, in-app purchases), maps & more
โ App Store & Google Play submission & optimization
โ Clean, scalable architecture built for long-term growth
๐ Web Development & Design
I'm also a full-stack web developer with deep expertise across modern web technologies โ delivering fast, secure, and visually compelling websites that rank on Google and convert visitors into customers.
My web stack includes:
WordPress โ custom themes, plugins, WooCommerce, e-commerce migrations
Laravel & PHP โ robust backend systems, custom web applications
React.js โ dynamic, component-driven frontend development
Webflow โ pixel-perfect no-code/low-code builds with complex interactions
HTML, CSS, JavaScript โ clean, standards-compliant code across every project
โ Website cloning, redesigns & brand refreshes
โ E-commerce stores (WooCommerce, Shopify migration)
โ SEO-optimized, mobile-responsive layouts
โ Speed optimization & Core Web Vitals improvement
โ Complex Webflow features & custom interactions
โ API integrations & third-party service connections
๐ฏ What You Get Working With Me
๐ฆ Clean, maintainable code โ easy to hand off or scale
๐๏ธ Scalable architecture that grows with your business
๐ Clear milestones, realistic timelines, zero surprises
๐ SEO best practices built into every web project
๐ฒ App Store & Play Store optimization (ASO)
๐ค A product-focused partner โ not just a task executor
๐ฅ Industries I've Served
E-commerce โข SaaS โข Healthcare โข Real Estate โข Education โข Hospitality โข Fintech โข Retail
Whether you need a Flutter app that scales, a native iOS or Android app, a WordPress site that ranks, or a complete digital product from idea to launch โ
Let's build something that actually works in the real world. LET'S TALK! ๐
Flutter
Dart
Mobile App Development
Mobile App Design
iOS Development
Android App
In-App Advertising
AI App Development
App Development
REST API
Firebase
User Authentication
Payment Gateway Integration
App Design
In-App Subscription
Tomas M.
Little Rock, Arkansas
$50/hr
5.0
51 jobs
Senior mobile and full-stack developer with 25+ years of experience building production-grade web and mobile applications. I specialize in React, React Native/Expo, TypeScript, Next.js, and Node.js on the frontend and backend, with deep hands-on experience in Supabase/PostgreSQL and Firebase/Firestore for data and auth.
On the mobile side, I led the migration of a real-world offline-first delivery app from Xamarin to React Native โ handling state management with MobX, CI/CD pipelines via CircleCI and Fastlane, and full app store deployment for both iOS and Android. On the web side, I've built and maintained large-scale multi-tenant platforms with monorepo architectures serving hundreds of white-label clients across separate web, admin, and customer-facing apps.
I've also carried engineering leadership responsibilities โ managing teams of up to five developers, establishing PR workflows (video demos required, bug fixes paired with reproducing tests), and owning CI/CD infrastructure on GitHub Actions and CircleCI.
I take on contract work only, I communicate clearly, and I don't disappear mid-project. If you need someone who can own a feature end-to-end โ schema design, backend logic, frontend integration, and deployment โ I'm the person.
React
React Native
Android App Development
iOS Development
Fastlane
Vue.js
Keith H.
Clovis, California
$17/hr
5.0
5 jobs
Iโm a mobile app developer with 8+ years of experience building, fixing, and maintaining apps for iOS and Android.
I specialize in Ionic, Capacitor/Cordova, React Native, and Flutter, and have published multiple apps to both the Google Play Store and Apple App Store.
I donโt just build apps โ I help solve problems when things arenโt working.
What I can help with:
Fixing build issues (Xcode, Android Studio, Gradle)
Debugging Cordova / Capacitor plugin problems
Creating or modifying custom plugins
API integration and backend connectivity
Firebase integration (auth, push notifications, database)
App Store / Play Store deployment and fixes
Migrating legacy Ionic / AngularJS apps to modern frameworks
Iโve developed custom solutions like a barcode + speech VIN scanner and have extensive experience working with device features and native functionality.
I also take on small or urgent tasks, whether itโs fixing a crash, resolving a plugin issue, or getting your app unstuck quickly.
My background in DevOps and backend systems (AWS, REST APIs, MySQL/Postgres) allows me to handle both frontend and backend issues when needed.
If your app is broken, stuck, or needs improvement, I can help get it working efficiently.
CSS
HTML5
JavaScript
Docker
AngularJS
PHP
jQuery
MySQL Programming
Swift
Objective-C
Angular 8
Android
Fastlane
Mubariz A.
Rosemount, Minnesota
$50/hr
4.8
27 jobs
Mobile App Developer and React Native Developer specializing in building scalable Android and iOS applications using React Native and Flutter.
I help startups and businesses develop high-performance mobile apps with clean architecture, smooth user experience, and production stability.
As a React Native Developer, I focus on building cross-platform mobile apps that are fast, maintainable, and production-ready. As an experienced Mobile App Developer, I understand how to structure applications that scale and perform reliably in real-world environments.
In addition to working as a React Native Developer and Flutter Developer, I also work as a Mobile App Developer, helping clients build and scale mobile applications for Android and iOS across different industries.
As a Mobile App Developer, I have experience building, optimizing, and scaling React Native and Flutter applications for Android and iOS platforms.
I also work as a Flutter Developer, creating modern, responsive mobile apps for Android and iOS with strong UI/UX and efficient performance.
What I specialize in:
React Native Mobile App Development (cross-platform apps for Android and iOS)
Flutter Mobile App Development (modern UI and scalable apps)
Android App Development (Kotlin, Java)
iOS App Development (Swift)
API Integration and backend connectivity
Bug fixing, performance optimization, and app restructuring
As a Mobile App Developer, I have worked on multiple applications across different industries, helping clients build, improve, and scale their mobile products.
My approach as a React Native Developer and Mobile App Developer is focused on:
Clean and maintainable architecture
Scalable and stable codebase
Smooth user experience across Android and iOS
Fast communication and reliable delivery
Whether you need a React Native Developer, Flutter Developer, or a complete Mobile App Developer for Android and iOS, I can help you design, build, and optimize your mobile application from idea to production.
JavaScript
Kotlin
Dart
React Native
Mobile App Development
Flutter
Android App Development
iOS Development
Firebase
API Integration
Swift
Expo.io
Twilio API
VoIP
iOS
REST API
Supabase
Node.js
App Development
Mobile App
Buyandelger B.
Centreville, Virginia
$175/hr
5.0
27 jobs
Is your website slow, losing customers, or not ranking on Google? I build fast, scalable, and revenue-driving web solutions for businesses that demand results โ not just code.
๐ Top Rated Plus | 100% Job Success Score | 15+ Years Experience
โ Trusted by IHOP, Applebee's, Cisco, and 20+ other clients
โโโโโโโโโโโโโโโโโโโโโ
WHY CLIENTS CHOOSE ME
โโโโโโโโโโโโโโโโโโโโโ
โญโญโญโญโญ "Buya exceeded all expectations on our project. His level of responsiveness, attention to detail and expertise was beyond comparison. He absolutely went above and beyond โ we'd recommend him without hesitation for any project." ~ Jil Molloy
I don't just write code โ I solve business problems. Whether you need a blazing-fast React app, a headless WordPress site, or AI integrated into your product, I deliver solutions that work and last.
โโโโโโโโโโโโโโโโโโโโโ
WHAT I BUILD
โโโโโโโโโโโโโโโโโโโโโ
๐ Full-Stack Web & Mobile Apps (React, Next.js, Vue.js, React Native)
๐ WordPress & WooCommerce (custom themes, plugins, headless CMS)
๐ AI Integration (OpenAI API, LangChain, chatbots, automation)
๐ E-commerce Platforms & Payment Systems
๐ API Development (REST & GraphQL)
๐ Core Web Vitals & Performance Optimization
๐ Cloud Infrastructure (AWS, DigitalOcean, Google Cloud, Vercel)
๐ CI/CD Pipelines & DevOps
โโโโโโโโโโโโโโโโโโโโโ
TECH STACK
โโโโโโโโโโโโโโโโโโโโโ
โ๏ธ React.js, Next.js, Vue.js, Nuxt.js, TypeScript
โ๏ธ Node.js, Express.js, Django, Laravel, PHP
โ๏ธ GraphQL, Apollo, REST APIs
โ๏ธ WordPress, WooCommerce, Headless CMS, Elementor
โ๏ธ Tailwind CSS, Bootstrap, Material UI
โ๏ธ AWS, Google Cloud, Vercel, Netlify, DigitalOcean
โ๏ธ OpenAI API, LangChain, AI Automation
โโโโโโโโโโโโโโโโโโโโโ
RESULTS I'VE DELIVERED
โโโโโโโโโโโโโโโโโโโโโ
๐ฅ Boosted Core Web Vitals score from 42 โ 94 for a national franchise
๐ฅ Built AMP delivery systems for IHOP & Applebee's (thousands of daily users)
๐ฅ Integrated complex API ecosystems for Cisco enterprise workflows
๐ฅ Delivered 30+ projects with 100% client satisfaction on Upwork
โโโโโโโโโโโโโโโโโโโโโ
HOW WE WORK TOGETHER
โโโโโโโโโโโโโโโโโโโโโ
โ๏ธ Understand your needs.
โ๏ธ Deliver your solution.
โ๏ธ Exceed your expectations.
If you're not satisfied for any reason, I offer a refund policy. ๐ฏ
Ready to get started? Send me a message and let's hop on a quick discovery call โ I'll give you a clear proposal within 24 hours. ๐
WordPress
Next.js
React
PHP
GraphQL
Vue.js
NGINX
Node.js
Django
TypeScript
Tailwind CSS
REST API
Amazon ECS
Progressive Web App
Apollo.io
React Native
Ubuntu
WooCommerce
Favour E.
Wilmington, Delaware
$20/hr
4.9
19 jobs
Want to build a mobile app that actually ships on time, on budget, and engineered to last?
๐ 20+ Successfully Delivered Projects in Mobile App Development and Product Development
๐ช Over 5 years of experience in Android, iOS Development, and Web Development
โ 100% Job Success | Rated 5.0 by 15+ Clients โญ๏ธ
Iโm Favour Etunwoke, a Top Rated Upwork mobile, web, and automation engineer helping startups, founders, coaches, consultants, and service businesses build production-ready apps, web platforms, APIs, CRM systems, and workflow automations.
I specialise in Flutter, React Native, React, Firebase, API integrations, n8n, GoHighLevel, Zapier, and AI-powered automation. My focus is straightforward: to build reliable digital products and business systems that help clients save time, enhance operations, and launch more efficiently.
Core Expertise
โ Flutter & Dart Cross-platform iOS & Android apps
โ React.js / Next.js: High-performance web applications
โ Node.js / REST APIs: Backend architecture & data flow
โ App Store & Play Store Publishing: Compliance, ASO, metadata optimisation
โ Authentication & Security: Firebase, AWS Cognito, GDPR-compliant systems
โ AI & Image Recognition: OCR, ChatGPT, and third-party API integrations
โ Debugging & Performance Tuning: Crash-free launches, smooth UX
Track Record
โ Led engineering teams of 8+ devs, shipping complex fintech and e-commerce platforms on time
โ Architected systems handling 2000+ concurrent users with zero downtime
โ Published production apps with ASO strategies that boosted organic rankings and discoverability
โ Integrated advanced APIs (Solana blockchain, ChatGPT, inventory systems) for secure, real-time data
โ Delivered Flutter apps with 90% code reuse, achieving native-like performance across iOS & Android
Why clients work with me:
โข Top Rated on Upwork with 100% Job Success
โข 4.9-star client rating across completed projects
โข Experience building apps and platforms used by real users
โข Strong understanding of both product engineering and business automation
โข Clear communication, structured delivery, and practical technical decisions
โข Ability to handle frontend, backend, APIs, deployment, and automation workflows
What You Get
โ A mobile app built to scale, not just launch
โ ASO-optimised App Store listings that rank higher and drive downloads
โ Daily progress updates (Slack/email) so you're never left guessing
โ Clean, maintainable code your future team can work with
โ Launch-ready apps with security audits, crash-free performance, and full compliance
I take on a limited number of projects at a time to give every client my full focus. If you're building something real and need a senior engineer who can own it from end to end, let's talk.
Send me a message with your project idea, and I'll give you a straight assessment within 24 hours.
Mobile App Development | Mobile Application Developer | Flutter App Developer | Flutter Developer | Flutter & Supabase | Flutter & Dart | Flutter Stack Development | Cross-Platform Mobile Development | iOS App Development | Android App Development | React Native Developer | React Native App Development | Native Mobile Apps | Swift | SwiftUI | Kotlin | SDK Development | Apple HealthKit | Apple Watch Application Development | Android Smartphone Apps | UI/UX Design | App Design | Responsive App UI | Figma to App | Pixel-Perfect Flutter UI | API Integration | REST API Development | GraphQL | Database Architecture | Backend Integration | Laravel + Flutter | Supabase + Flutter | Node.js | Full Stack Development | Web App + Mobile App Integration | SaaS App Development | App Marketplace Development | Social Media App Development | Dating App Development | On-Demand App Development | Food Delivery Application Development | Travel App Development | EdTech Platform Development | Enterprise App Development | QA Testing | Manual Testing | Automated Testing | App Debugging & Optimization | Version Control (Git/GitHub) | Mobile App Maintenance | Website Maintenance | SEO | App Store Optimization (ASO) | App Ranking Optimization | App Store & Play Store Submission | Localization & Multilingual Apps | HIPAA Compliance | Secure Authentication | Business Applications Development | API Development | ChatGPT API Integration | ChatGPT Prompts | AI-Powered Apps | AI Speech-to-Text | AI Text-to-Image | AI App Development | AI Marketplace | Artificial Intelligence | Machine Learning Integrations | Health Coaching Apps | Nutrition Tracker Apps | Blockchain Development | Solana | NFT Marketplace Development | Web3 Applications | Copyright & IP Management | Finance & Banking Applications | Asset Management Systems | SaaS Startups | MVP Development | Startup Company Solutions | Enterprise Software Development | Sports Apps | Health & Fitness Apps | Transportation Apps | eCommerce Mobile App | Social Networking Service | Social Networking Development | UI/UX Strategy | HTML | CSS | Firebase | AWS | Supabase | App Performance
Smartphone
Mobile App Development
App Development
Mobile App
AI Mobile App Development
Flutter
Web Development
JavaScript
Mobile App Design
Android
Node.js
React Native
Kotlin
Swift
User Profile Creation
Hybrid App Development
AI App Development
Native App
Web Design
Web Development Consultation
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Emerald Tiger
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Kinetic Investments
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Summa Linguae
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