Senior React Native Developer
New
Based in CzechiaFull-TimeSenior
Salary not disclosed
Apply NowOpens the employer's application page
Job Details
- Languages
- Upper-intermediate English proficiency (Russian fluency is a plus)
- Experience
- 5+ years of frontend development experience, including at least 3+ years building React Native applications
- Required Skills
- BlockchainGitJestReact NativeTypeScriptReactCI/CDGitHub Actions
Requirements
- 5+ years of frontend development experience, including at least 3+ years building React Native applications in production environments.
- Proven experience working on high-load fintech or crypto applications, ideally non-custodial wallets handling real user transactions.
- Strong expertise in React, React Native, and TypeScript, with solid testing practices using Jest and Detox.
- Experience with modern mobile ecosystems including Expo modules and React Native tooling.
- Familiarity with blockchain ecosystems, including EVM-compatible chains, Bitcoin-family networks, Tron, Solana, or TON.
- Strong understanding of secure software development, especially in environments involving financial transactions.
- Experience with Git workflows, CI/CD pipelines, and GitHub Actions for production deployments.
- Ability to evaluate technical trade-offs and make data-driven architectural decisions.
- Upper-intermediate English proficiency (Russian fluency is a plus).
Responsibilities
- Own and evolve core features of a non-custodial crypto wallet, including transactions, balances, swaps, bridges, onboarding flows, and transaction history.
- Lead the development of advanced financial products such as crypto cards, IBAN payments, subscriptions, and integrations with global card providers.
- Drive end-to-end feature delivery from architecture and implementation to testing, production monitoring, and iterative improvements based on user feedback.
- Collaborate with Product and Design teams to define user experience, clarify requirements, and co-create impactful fintech solutions.
- Work closely with Backend and QA engineers to ensure high-quality releases, robust testing coverage, and well-documented systems.
- Participate in on-call rotation to support production systems and ensure reliability of financial operations.
- Produce clear technical documentation, internal guides, and occasional product demonstrations for cross-functional teams.
- Contribute to architectural decisions and continuously improve system performance, scalability, and maintainability.
View Full Description & ApplyYou'll be redirected to the employer's site
