Zina Youhan | Victoria, BC | _Email not available. Sign in: https://www.twine.net/signup_ | _Website not available. Sign in: https://www.twine.net/signup_ Dear Twine Hiring Manager, I'm excited to apply for the React Native Developer position. As a Permanent Resident based in Victoria, BC, with 3+ years of specialized React Native experience, I can contribute immediately without immigration constraints. At Rhino-partners, I developed high-performance mobile apps serving thousands of users across iOS/Android platforms. My expertise includes Redux Saga, Zustand, Expo, TanStack Query, and comprehensive Jest testing achieving 95%+ code coverage. I optimized app performance using Sentry monitoring, reducing crash rates by 30%. Key projects include Habitto (Japan-based digital banking app) and FuelBack (fuel savings platform), demonstrating my ability to build secure, scalable FinTech solutions. I manage complete CI/CD pipelines using CodeMagic and AppCenter for seamless App Store/Play Store deployment. Beyond technical skills, I'm currently a Part-time Visiting Lecturer at University of Kelaniya, teaching Mobile Development. I was recognized as 1st Runner-Up in the 2020 Ericsson Innovation Award for developing an AI-powered agricultural platform. I'm passionate about creating exceptional mobile experiences and ready to contribute to Twine's innovative team immediately.…

Zina Youhan

PRO

Zina Youhan | Victoria, BC | _Email not available. Sign in: https://www.twine.net/signup_ | _Website not available. Sign in: https://www.twine.net/signup_ Dear Twine Hiring Manager, I'm excited to apply for the React Native Developer position. As a Permanent Resident based in Victoria, BC, with 3+ years of specialized React Native experience, I can contribute immediately without immigration constraints. At Rhino-partners, I developed high-performance mobile apps serving thousands of users across iOS/Android platforms. My expertise includes Redux Saga, Zustand, Expo, TanStack Query, and comprehensive Jest testing achieving 95%+ code coverage. I optimized app performance using Sentry monitoring, reducing crash rates by 30%. Key projects include Habitto (Japan-based digital banking app) and FuelBack (fuel savings platform), demonstrating my ability to build secure, scalable FinTech solutions. I manage complete CI/CD pipelines using CodeMagic and AppCenter for seamless App Store/Play Store deployment. Beyond technical skills, I'm currently a Part-time Visiting Lecturer at University of Kelaniya, teaching Mobile Development. I was recognized as 1st Runner-Up in the 2020 Ericsson Innovation Award for developing an AI-powered agricultural platform. I'm passionate about creating exceptional mobile experiences and ready to contribute to Twine's innovative team immediately.…

Available to hire

Zina Youhan | Victoria, BC | Email not available. Sign in: https://www.twine.net/signup | Website not available. Sign in: https://www.twine.net/signup

Dear Twine Hiring Manager,
I’m excited to apply for the React Native Developer position. As a Permanent Resident based in Victoria, BC, with 3+ years of specialized React Native experience, I can contribute immediately without immigration constraints.
At Rhino-partners, I developed high-performance mobile apps serving thousands of users across iOS/Android platforms. My expertise includes Redux Saga, Zustand, Expo, TanStack Query, and comprehensive Jest testing achieving 95%+ code coverage. I optimized app performance using Sentry monitoring, reducing crash rates by 30%.
Key projects include Habitto (Japan-based digital banking app) and FuelBack (fuel savings platform), demonstrating my ability to build secure, scalable FinTech solutions. I manage complete CI/CD pipelines using CodeMagic and AppCenter for seamless App Store/Play Store deployment.
Beyond technical skills, I’m currently a Part-time Visiting Lecturer at University of Kelaniya, teaching Mobile Development. I was recognized as 1st Runner-Up in the 2020 Ericsson Innovation Award for developing an AI-powered agricultural platform.
I’m passionate about creating exceptional mobile experiences and ready to contribute to Twine’s innovative team immediately.

See more

Skills

Experience Level

TypeScript
Expert
JavaScript
Expert
React Native
Expert
Flutter
Expert
Android
Intermediate
FlutterFlow
Intermediate
iOS
Intermediate

Language

English
Advanced
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

Education

Bsc in Software Engineering at University of Kelaniya, Sri Lanka
February 15, 2018 - July 22, 2022
Specialised in Mobile App Development

Qualifications

Add your qualifications or awards here.

Industry Experience

Software & Internet, Computers & Electronics, Financial Services
    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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