Available to hire
I’m Rabbia Ijaz, an iOS developer with 4+ years of experience building app-store-ready, user-centric mobile apps in health tech and fintech. I enjoy turning complex requirements into polished, intuitive experiences and shipping features that users love.
I specialize in Swift, SwiftUI, Firebase, and scalable architectures like MVVM and VIPER. I collaborate with researchers and stakeholders to deliver data-driven, reliable products while continuously improving UX and retention.
Language
English
Fluent
Work Experience
iOS Developer & UI/UX Designer at Audicin
February 28, 2025 - September 21, 2025Redesigned and developed the complete user onboarding journey, improving conversion and driving a 10% increase in sales. Restructured the overall app flow beyond onboarding to enhance usability and boost user retention. Integrated HealthKit to collect biometrics from devices such as Apple Watch and Oura Ring and contributed to health-data research. Partnered with researchers and stakeholders to deliver a seamless, user-centric app experience.
OS Developer & UI/UX Designer (Freelance) at Upwork
January 1, 2024 - PresentShow Me - Fitness App: designed and developed a full-featured fitness app in Swift and SwiftUI for a US-based client, featuring workouts, calorie tracking, and weekly challenges, with in-app purchases; integrated REST APIs and launched on the App Store. HOLD (Kegel Training App): built a subscription-based Swift/SwiftUI app with guided workouts, progress tracking, and in-app purchases; designed interactive UI to boost engagement. Instant Temp Mail: developed App Store – launched app with instant email generation, spam filtering, and premium subscriptions; integrated Temp Mail API, Firebase, and Facebook SDK. Expiry Tracker App (Ongoing): designing Swift/SwiftUI app to track expiry dates of items and documents, with notifications and sharing options; focus on better UX.
iOS Developer at Telenor Microfinance Bank - Easypaisa
January 31, 2024 - September 21, 2025Developed core Easy Paisa iOS features in Swift/SwiftUI with MVC/MVVM architecture and API integrations, ensuring efficient Agile delivery. Contributed to 7+ live Easy Paisa App projects, delivering high-quality features to enhance the iOS experience. Launched an industry-first premium account type, resulting in a 4x increase in revenue and PKR 10 billion in customer deposits, growing the customer base to 1.2 million. Revamped the customer Account Migration journey, achieving an 8% reduction in drop-offs and improving user retention. Developed a Mini App Emulator, enhancing testing autonomy and reducing testing time by 30%. Delivered UI/UX improvements for Mobile Bundles and key features including e-Statement, Payment Scheduler, and International Remittance.
iOS Developer & UI/UX Designer at Upwork
January 1, 2024 - PresentFreelance iOS development and UI/UX design for US clients. Led design and development of iOS features, including onboarding flows and app redesigns; integrated REST APIs and deployed apps to the App Store; collaborated with clients to deliver user-centric experiences.
OS Developer & UI/UX Designer at Audicin
February 28, 2025 - September 22, 2025Redesigned onboarding journey and overall app flow to boost usability and retention. Integrated HealthKit data (Apple Watch, Oura Ring) for health data research; partnered with researchers and stakeholders to deliver seamless, user-centered experiences.
OS Developer at Telenor Microfinance Bank - Easypaisa
January 31, 2024 - September 22, 2025Developed core Easy Paisa iOS features in Swift/SwiftUI with MVC/MVVM and API integrations; contributed to 7+ live Easy Paisa app projects; launched an industry-first premium account type and led customer account migration, improving user adoption and revenue.
OS Developer & UI/UX Designer at Audicin
February 28, 2025 - September 22, 2025Redesigned and developed the complete user onboarding journey, improving conversions and driving a 10% sales increase. Restructured the overall app flow beyond onboarding to enhance usability and boost retention. Integrated HealthKit to collect biometric data (Apple Watch, Oura Ring) and contributed to health data research. Partnered with researchers and stakeholders to deliver a seamless, user-centric app experience.
OS Developer & UI/UX Designer (Freelance) at Upwork
January 1, 2024 - PresentDesigned and developed multi-feature iOS apps for clients, including a Show Me Fitness app with workouts, calorie tracking, and weekly challenges; a subscription-based training app with guided workouts and in-app purchases; an instant temp mail app with email generation, spam filtering, and premium subscriptions; and an expiry-tracker app with UX-focused improvements.
OS Developer at Telenor Microfinance Bank - Easypaisa
January 31, 2024 - September 22, 2025Developed core Easy Paisa iOS features in Swift/SwiftUI/Objective-C with MVC/MVVM and API integrations, ensuring efficient Agile delivery. Contributed to 7+ live Easy Paisa app projects, delivering high-quality features to enhance the iOS experience. Launched an industry-first premium account type, resulting in revenue growth and increased customer deposits; revamped customer account migration to reduce drop-offs and improve retention. Implemented a Mini App Emulator to speed up testing and delivered UI/UX improvements for core modules like e-statements, payment scheduling, and international remittance.
Education
Bachelor of Science at National University of Computer and Emerging Sciences
January 1, 2017 - January 1, 2021BSc in Computer Science at National University of Computer and Emerging Sciences
January 1, 2017 - December 31, 2021Bachelor of Science in Computer Science at National University of Computer and Emerging Sciences Islamabad, Pakistan
January 1, 2017 - January 1, 2021Qualifications
Industry Experience
Software & Internet, Healthcare, Financial Services, Professional Services, Computers & Electronics
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