I'm a results-driven Lead Mobile Engineer with 11+ years of hands-on experience delivering production-grade mobile apps across Flutter, iOS (Swift/Obj-C), and Android (Kotlin/Java). I've led mobile architecture for large-scale platforms and steered teams to ship reliable, scalable experiences for millions of users. I enjoy building cross-functional teams, driving CI/CD and automated testing, and mentoring engineers to grow. My work includes Pampers Rewards (2M+ users) and the Danube E-Commerce Super App, with a focus on clean architecture, performance, and delightful user experiences.

UBAID UR RAHMAN

I'm a results-driven Lead Mobile Engineer with 11+ years of hands-on experience delivering production-grade mobile apps across Flutter, iOS (Swift/Obj-C), and Android (Kotlin/Java). I've led mobile architecture for large-scale platforms and steered teams to ship reliable, scalable experiences for millions of users. I enjoy building cross-functional teams, driving CI/CD and automated testing, and mentoring engineers to grow. My work includes Pampers Rewards (2M+ users) and the Danube E-Commerce Super App, with a focus on clean architecture, performance, and delightful user experiences.

Available to hire

I’m a results-driven Lead Mobile Engineer with 11+ years of hands-on experience delivering production-grade mobile apps across Flutter, iOS (Swift/Obj-C), and Android (Kotlin/Java). I’ve led mobile architecture for large-scale platforms and steered teams to ship reliable, scalable experiences for millions of users.

I enjoy building cross-functional teams, driving CI/CD and automated testing, and mentoring engineers to grow. My work includes Pampers Rewards (2M+ users) and the Danube E-Commerce Super App, with a focus on clean architecture, performance, and delightful user experiences.

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Experience Level

Expert
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Expert
Expert
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Language

English
Advanced
Urdu
Fluent

Work Experience

Engineering Lead – Mobile at MSE Technology
March 1, 2022 - Present
Architected and delivered 'My Perfect Fit' Flutter-in-native module embedded into live iOS and Android codebases, shipped globally across US, Canada, UK, and Japan for 2M+ active users. Built a cross-platform diaper-sizing survey and AI recommendation engine (Flutter app + standalone Flutter Web) with BLoC state management and Clean Architecture. Improved crash-free session rates by establishing modular, testable Flutter architecture and automated regression testing. Set up end-to-end CI/CD pipelines (GitHub Actions) for automated builds, test runs and App Store/Play Store submissions.
Engineering Lead – Mobile at MSE Technology
March 1, 2022 - Present
Danube E-Commerce Super App (Flutter · iOS · Android): Led a team of 8 mobile and backend engineers to deliver a scalable e-commerce super app for Middle East markets. Implemented real-time product feeds, cart sync, SADAD/PayPal payments, and loyalty features with optimized Flutter UI performance. Managed sprint planning, technical roadmap, resource allocation and App Store/Play Store release cycles.
Senior iOS Developer at Cooperative Computing
August 1, 2019 - February 1, 2022
Delivered pixel-perfect iOS apps (Swift, UIKit, SwiftUI) with seamless REST API integration, push notifications and deep linking across iPhone and iPad. Implemented secure authentication flows (JWT, OAuth, Apple Sign-In, Google Sign-In), Core Data persistence, and Keychain storage. Contributed to Android (Kotlin) feature development for cross-platform parity; mentored junior iOS developers and improved sprint delivery quality.
Mobile Development Lead at Digital Dividend
September 1, 2017 - July 1, 2019
Led a cross-platform mobile team of 6 engineers building interactive educational apps for iOS and Android. Designed a dynamic JSON-driven content engine, significantly reducing release cycle time. Implemented In-App Purchases (consumable, non-consumable, subscription) with backend receipt validation. Managed complete product lifecycle: architecture → development → QA → App Store / Play Store releases.
Senior Software Engineer at Right Solution
February 1, 2016 - September 1, 2017
Built native iOS (Swift/Obj-C) and Android (Java) apps meeting App Store/Play Store compliance and UX standards. Integrated real-time Socket.IO features, payment gateways and third-party SDKs into production mobile apps.
Software Engineer at Q3Logics
January 1, 2015 - January 1, 2016
Built enterprise .NET applications; TCP server handling 1,000+ concurrent connections for real-time IoT sensor data with SignalR streaming.

Education

Bachelor of Science in Computer Science (BSCS) at University of Karachi, Pakistan
January 1, 2012 - January 1, 2015
Bachelor of Science in Computer Science (BSCS) at University of Karachi
January 1, 2012 - January 1, 2015

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Professional Services, Media & Entertainment, Retail, Telecommunications