React Native + TypeScript Developer

Industry: IT, Technology industry.

• Experience in developing and shipping production-level React Native + TypeScript apps.
• Solid understanding of mobile platform fundamentals, especially for Android.
• Ability to work with native modules and tackle build issues in both Android and iOS environments.
• Hands-on mobile security practices and familiarity with OWASP MASVS.
• Strong experience with REST API integration and JWT authentication.
• Experience in quality assurance and performance optimization for mobile apps.
• Background in fintech or high-trust domains where security is paramount.

Nice to have:

• iOS production experience and knowledge of the wallet or mobile-money sector.
• Familiarity with Flutter or other cross-platform mobile development frameworks.
• Experience with multi-brand theming and white-label solutions.
• Comfort in a team utilizing AI for development process enhancement.

• Develop and maintain a mobile application with core features like onboarding, wallet top-up, payments, and transaction history.
• Collaborate with backend teams to ensure seamless REST API integration and enforce money rules server-side.
• Implement device-level security measures, ensuring secure token storage and biometric support.
• Optimize application performance on low-end devices and poor network conditions.
• Integrate third-party SDKs for enhanced functionalities, such as eKYC and push notifications.
• Participate in the complete lifecycle of mobile app deployment, including testing, CI/CD processes, and submission to app stores.
• Adapt the app to multiple country/brand wallets through a white-label codebase.

Only candidates located in Poland considered. Work is 100% remote. Contract type: B2B.