Senior React Native Developer
New
United StatesFull-TimeSenior
Salary not disclosed
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Job Details
- Languages
- Upper-Intermediate English; Russian
- Experience
- 5+ years of frontend engineering experience, including at least 3+ years in React Native
- Required Skills
- BlockchainJestReact NativeTypeScriptReduxReactCI/CD
Requirements
- 5+ years of frontend engineering experience, including at least 3+ years in React Native production applications.
- Strong background in fintech or crypto products, ideally with experience in non-custodial wallets and on-chain transactions.
- Expert-level proficiency in React, React Native, and TypeScript with solid testing practices (Jest, Detox).
- Experience with modern mobile tooling and libraries such as React Query, Redux Toolkit, Zustand, WalletConnect, Reanimated, Skia, Sentry, and Firebase.
- Strong understanding of blockchain ecosystems including EVM-compatible networks, Bitcoin, Tron, Solana, and TON.
- Comfortable working with Git workflows, CI/CD pipelines, and automated production release systems.
- Strong security mindset, particularly around applications handling real user funds.
- Ability to conduct technical research, evaluate trade-offs, and make data-driven architectural decisions.
- Comfortable using AI tools to improve development speed and quality in a practical, engineering-focused way.
- Upper-Intermediate English level; fluency in Russian is required.
Responsibilities
- Own and evolve core wallet functionality including send/receive flows, balances, transaction history, swaps, bridging, and on/off-ramp experiences.
- Lead development of extended product features such as crypto card integration, IBAN-like payment systems, subscriptions, onboarding, and multi-provider expansion.
- Drive full lifecycle ownership of features from architecture and planning to implementation, testing, deployment, monitoring, and iterative improvements.
- Collaborate closely with Product and Design teams to translate user needs into scalable, high-quality mobile experiences.
- Partner with QA and backend teams to ensure reliability through testing strategies, documentation, and reproducible workflows.
- Participate in on-call rotation and contribute to system reliability and incident resolution.
- Produce clear technical documentation and occasionally support internal demos for stakeholders and support teams.
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