Senior Mobile App Developer
@ SitePodOct 2024 – Oct 2025 · USA (Remote)
Hamza Zafar
Senior React Native Developer | Full Stack Mobile Engineer
Building Scalable Apps, One Commit at a Time 🚀
Senior React Native Developer & Full Stack Mobile Engineer. 5+ years building iOS and Android apps with React Native, TypeScript, and Node.js. 50+ production apps shipped—focused on performance, clean architecture, and on-time delivery.
Experience
Results-driven Full Stack Mobile Engineer with 5+ years of experience building high-performance cross-platform iOS and Android apps using React Native. Delivered 50+ production applications, improving stability by 70%+ and reducing load times by 50%+. Specialized in TypeScript, Redux/Zustand, Firebase/Supabase, and scalable backend systems (Node.js/NestJS, GraphQL). Proven track record of leading teams, maintaining 60 FPS performance, and shipping pixel-perfect, production-ready applications in fast-paced Agile environments.
Work Experience
Full Stack Mobile App Developer
@ D12 SolutionsFeb 2023 – Oct 2024 · Pakistan
Mobile App Developer
@ Teknovation.ioJul 2022 – Jan 2023 · Pakistan
React Native Developer
@ Hello World TechnologiesJan 2020 – Jul 2022 · Pakistan
Skills
Cross-platform mobile development, MERN stack, and end-to-end product delivery from architecture to App Store deployment.
Mobile & Frontend
React NativeExpoTypeScriptReact.jsNext.jsReduxZustandContext APITailwind CSSReact Navigation
Backend & Integrations
Node.jsNestJSExpress.jsGraphQLREST APIsFirebaseSupabaseMongoDBSQLWebSocketsStripeIn-App PurchasesOpenAI / GenAIClarifaiPush NotificationsBluetooth / Smart Devices
Tools & DevOps
AWSVercelNetlifyGitCI/CDJestSentryXcodeAndroid StudioJiraFastlane
Other
Performance OptimizationUnit / E2E TestingApp Store & Play DeploymentAccessibilityAgile / ScrumTechnical LeadershipCode Review & Mentoring
Projects
Production apps and side projects built with React Native and modern stack.
Nomadz
Nomadz stands as the ultimate marketplace crafted by and for outdoor enthusiasts, delivering a user-friendly platform for nature lovers.
TypeScriptReact $ React NativeNode JSFirebase
Aheev Performance
Acheev empowers athletes with cutting-edge performance tracking and personalized training insights, optimizing their journey to peak fitness.
GraphQLReact $ React NativeNode JSFirebase
SwimtoFly - Learn how to Swim
A mobile learning platform for SwimtoFly® that provides structured video lessons to help users learn swimming techniques and build confidence in the water.
React | React NativeJavaScriptFirebaseIn-App Purchases
Obsavia
A next-generation crypto payment app that enables users to send, receive, and manage digital assets with instant global transfers and secure wallet features.
React | React NativeJavaScriptCryptoSecure Wallet
TAS Dating
Whether you're seeking a casual fling or a long-term commitment, TAS Dating caters to all relationship types. Simply create a profile and let our system do the rest.
React | React NativeJavaScriptFirebaseHTML5
Mangia Rewards | Dining Offers
Introducing Mangia Rewards: Explore local restaurants and get a free drink, appetizer, or dessert with every entree purchase, 7 days a week.
React & React NativeFirebaseJavaScriptStripe
Winelikes
An engaging wine app that will change the way you drink wine. Whether you are about to take your first sip, or on the road to becoming a sommelier, Winelikes is for you.
React & React NativeLaravelFirebaseTypeScript
ICR - IT Centre RYK
ICR provides a cutting-edge learning environment, offering hands-on experience and skills development for success in the evolving IT industry.
JavaScriptLaravelReact & React NativeOneSignal
Barcelona Guide
Unlock Barcelona's treasures with our comprehensive travel guide app. Explore attractions, historic sights, and travel details seamlessly in one place.
React & React NativeJavaScriptPHPFirebase
CRBO Inc.
A taxi App where people can rent thier cars with drivers for short and Long Trips. If Sign Up as a User, people can use this Uber like service
React & React NativeFirebaseJavaScriptStripe
Quran Urdu Audio Translation
Your Gateway to Luxury Bags and Accessories Step into a world of opulence with LUXURIAN, the premier app designed exclusively for those who appreciate luxury.
React & React NativeCodeigniterAudio Play
Luxurian KW
Your Gateway to Luxury Bags and Accessories Step into a world of opulence with LUXURIAN, the premier app designed exclusively for those who appreciate luxury.
React & React NativeCodeigniterOneSignal
Education
Academic background and continuous learning.
Khawaja Fareed University of Engineering and Information Technology
Bachelors in Software Engineering
- •My academic journey includes in-depth studies of core subjects like Data Structures, Database Management Systems (DBMS), Security, and Software Engineering.
- •Complementing this, I've successfully completed various courses focusing on Backend, Web, and Mobile App Development
- •Applying the knowledge gained from my Software Engineering course, I've successfully implemented several projects showcasing practical application of these concepts
Highlights
Key metrics and achievements from real projects.
30+
Production apps
70%
Stability improvement
50%
Faster load times
5+
Years experience
60 FPS
Target performance