Skip to content
BackNov 7
Muhammad Ubaid K.

Muhammad Ubaid K.

React Native Engineer | Mobile App Developer | Android | iOS

I help startups and businesses engineer high-performance, crash-free iOS and Android apps. From rapid MVP launches to scaling complex ecosystems, I leverage React Native and advanced AI-Accelerated Workflows to deliver scalable results faster than traditional development cycles. With over 6 years of experience in Mobile App Development, I specialize in creating mobile solutions that not only meet business goals but also deliver seamless user experiences across iOS and Android platforms. ⭐Why clients hire me: • Architecting scalable, crash-free mobile ecosystems for high-growth startups • Accelerating release velocity using advanced AI-driven workflows • Ensuring 100% App Store & Google Play compliance (Zero Rejections) • Delivering strictly typed, industrial-grade code for long-term stability • Transforming complex business requirements into intuitive user experiences 🚀 My technical expertise includes: • Cross-Platform Development with React Native for both iOS and Android • State Management using Redux for efficient and predictable app behavior • Smooth In-App Navigation with React Navigation • Reanimated 3 & Skia (60fps UI) for animations • Secure Payment Integrations including Stripe, PayPal and in-app purchases • Location-Based Features such as Google Maps, GPS tracking and geofencing • RESTful API & Third-Party Service Integration for dynamic data and functionality • Firebase Services (Authentication, Database, Analytics, Cloud Functions) • Push Notifications & In-App Messaging to boost user engagement • Social Media Integrations for login and content sharing • Unit & Integration Testing to ensure reliability and robustness • Performance Optimization for speed, scalability and reliability • App Deployment & Maintenance on both App Store & Google Play • Agile Methodologies for streamlined, transparent and efficient project execution • Firebase/Supabase Integration for secure authentication, scalable databases, cloud functions and real-time app updates 🏆 Projects I commonly work on: • SaaS Mobile Companions: Extending web platforms to native mobile experiences. • AI-Native Apps: Integrating LLMs directly into mobile interfaces. • App Rescue: Fixing crashes, performance lag and technical debt in legacy apps. • High-Scale MVPs: Launching secure, scalable products for funding rounds. Whether you need a full-featured app built from scratch or enhancements to an existing one, I focus on delivering solutions that combine high performance, modern design and outstanding usability. Let’s bring your vision to life with a mobile app that stands out in today’s competitive market. Cheers, Ubaid K.

🇵🇰Karachi, Pakistan$32/hr100% JSS5.00 (4)Since Dec 2020

Earnings and projects

MRR
$0

Last 6 months ÷ 6

World#18,976 / 412k
🇵🇰Country#1,392 / 52.9k
Revenue, last 30 days
$0
Total earnings
$174k

Billed in all: $178k

World#18,976 / 412k
🇵🇰Country#1,392 / 52.9k
Per project
$43k
Projects, last 6 months
0
World#209,850 / 412k
🇵🇰Country#32,103 / 52.9k
Projects in all
4
50% fixed50% hourly
World#283,741 / 412k
🇵🇰Country#43,856 / 52.9k

Earnings, last 30 days

$178kNothing earned in the last 30 daysBilled in all, before Upwork's fee · drag across the chart to see what was earned in any stretch
$174k$176k$178k$180kOct 8Oct 23Nov 7

Skills