Senior React Native Developer (Crypto Wallet & Card)

Accountabilities:

• 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 across regions.


• 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.

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.

• Fully remote work within an international and agile engineering environment.


• High-impact role with ownership over key product areas in a fast-growing fintech ecosystem.


• Strong engineering culture supporting modern tools, experimentation, and technical autonomy.


• Competitive salary based on experience and performance.


• Clear career growth opportunities in a forward-thinking product organization.


• Transparent feedback culture focused on ownership, collaboration, and measurable impact.

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