I am a Senior Mobile Application Developer with over four years of experience in building secure and high-performance React Native applications for iOS and Android. I thrive in collaborative environments where I can work closely with product, design, and partner teams to deliver reliable customer workflows. I’m passionate about driving process improvements that enhance app performance and increase release speed.

Zina Youhan

I am a Senior Mobile Application Developer with over four years of experience in building secure and high-performance React Native applications for iOS and Android. I thrive in collaborative environments where I can work closely with product, design, and partner teams to deliver reliable customer workflows. I’m passionate about driving process improvements that enhance app performance and increase release speed.

Available to hire

I am a Senior Mobile Application Developer with over four years of experience in building secure and high-performance React Native applications for iOS and Android. I thrive in collaborative environments where I can work closely with product, design, and partner teams to deliver reliable customer workflows. I’m passionate about driving process improvements that enhance app performance and increase release speed.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate
Intermediate
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Language

English
Fluent
Sinhala, Sinhalese
Fluent

Work Experience

Senior Software Engineer at Rhino-partners
January 1, 2025 - Present
Developed and maintained high-performance mobile applications using React Native and Flutter, serving thousands of users across iOS and Android platforms Collaborated with cross-functional teams including product managers, UX/UI designers, and stakeholders to deliver project requirements aligned with business objectives Implemented pixel-perfect UI/UX designs with advanced features including push notifications (OneSignal), custom animations, and deep linking functionality Achieved 95%+ code coverage through comprehensive unit testing using Jest and Mockito frameworks Optimized application performance and scalability using monitoring tools like Sentry, resulting in 30% reduction in crash rates Led code reviews and mentored junior developers on best practices, contributing to improved team code quality standards Managed CI/CD pipelines using CodeMagic and AppCenter, enabling seamless deployment to App Store and Google Play Store Participated in Agile development processes including daily stand-ups, sprint planning, and retrospectives
Software Engineer at Rhino-partners
February 11, 2022 - December 31, 2024
Developed and maintained high-performance mobile applications using React Native and Flutter, serving thousands of users across iOS and Android platforms Collaborated with cross-functional teams including product managers, UX/UI designers, and stakeholders to deliver project requirements aligned with business objectives Implemented pixel-perfect UI/UX designs with advanced features including push notifications (OneSignal), custom animations, and deep linking functionality Achieved 95%+ code coverage through comprehensive unit testing using Jest and Mockito frameworks Optimized application performance and scalability using monitoring tools like Sentry, resulting in 30% reduction in crash rates Led code reviews and mentored junior developers on best practices, contributing to improved team code quality standards Managed CI/CD pipelines using CodeMagic and AppCenter, enabling seamless deployment to App Store and Google Play Store Participated in Agile development processes including daily stand-ups, sprint planning, and retrospectives
Software Engineer at FuelBack
February 1, 2024 - March 29, 2024
Developed mobile application features using React Native with Expo, Zustand state management, and TanStack Query Maintained high code quality standards through regular code reviews and adherence to industry best practices
Senior Software Engineer at Rhino-partners (Pvt) Ltd.
January 1, 2025 - Present
Architected and built enterprise-grade mobile apps with React Native and Flutter for over 50,000 users across production iOS and Android apps. Collaborated with product managers, designers, and stakeholders to deliver complex features, resulting in a 30% reduction in crashes and automated test coverage of over 95%.
Software Engineer at Rhino-partners (Pvt) Ltd.
February 1, 2022 - December 1, 2024
Worked on scalable coding practices while collaborating with backend teams to establish GraphQL/REST API contracts. Enhanced UI with advanced animations and reliable push notifications, and mentored junior developers to elevate team performance.
Software Engineer (Contract) at FuelBack S.A
February 1, 2024 - April 1, 2024
Rapidly developed mobile application features using React Native and Expo, maintaining zero critical security vulnerabilities and delivering features ahead of milestones.
Software Engineering Intern at WSO2 (Pvt) Ltd.
October 1, 2020 - April 1, 2021
Contributed to an enterprise-level Open Banking compliance accelerator implementation. Gained hands-on experience with various WSO2 products within microservices architecture environments.

Education

Bsc in Software Engineering at University of Kelaniya, Sri Lanka
February 15, 2018 - July 22, 2022
Specialised in Mobile App Development
Bachelor of Science (Honours) in Software Engineering at University of Kelaniya, Sri Lanka
January 1, 2018 - January 1, 2022

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Financial Services, Media & Entertainment
    paper Fuelback

    Developed mobile application features using React Native with Expo, Zustand state management, and TanStack Query
    Maintained high code quality standards through regular code reviews and adherence to industry best practices

    paper Habitto

    Japan-based FinTech Project
    Technologies: React Native, TypeScript, AWS, Node.js

    Frontend development for digital banking application focused on helping young adults achieve financial literacy and freedom
    Implemented features for savings, investment tracking, and personalized financial advisory services

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