Mobile Developer - React native /Typescript/Swift/ Kotlin
Join our enterprise client as a Mobile App Developer to build scalable iOS/Android apps using React Native, focusing on performance, security, and innovation.
Key Responsibilities:
- Develop clean, modular architecture using MVVM/MVI patterns and state management tools (Redux, MobX, etc.).
- Ensure quality through TDD, unit testing (Jest), end-to-end testing (Detox), and accessibility compliance.
- Implement secure storage, authentication (OAuth/OIDC), encryption, and app store compliance.
- Optimize performance for UI responsiveness, memory usage, offline-first strategies, and app size.
- Monitor apps with analytics tools (Datadog RUM, Firebase) and manage CI/CD pipelines with Fastlane.
Required Skills:
- Expertise in React Native with TypeScript; experience in native iOS (Swift) and Android (Kotlin).
- Proficiency in mobile security best practices, API integration (REST/GraphQL), and performance optimization.
- Familiarity with testing frameworks (Jest, Detox), observability tools (Datadog, Sentry), and CI/CD workflows.
- 4+ years of mobile development experience on iOS/Android platforms.
- 3+ years of React Native development; knowledge of app store deployment processes.
- Experience in mobile analytics, crash reporting, and production support.
- Familiar with AWS services for mobile, open-source contributions, or expertise in accessibility standards (WCAG).
- Short notice is a plus.
About the job
Contract Type: Temp
Specialism: Tech & Transformation
Focus: Software Engineering
Industry: Financial Services
Salary: medical
Workplace Type: On-site
Experience Level: Associate
Language: English - Professional working
Location: Central and Western District
TEMPORARYJob Reference: EWVJA9-A94CF7AC
Date posted: 19 November 2025
Consultant: Pinki Chan
hong-kong tech-transformation/software-engineering 2025-11-19 2025-12-19 financial-services hong kong Central and Western District HK Robert Walters https://www.robertwalters.com.hk https://www.robertwalters.com.hk/content/dam/robert-walters/global/images/logos/web-logos/square-logo.png true