Senior React Native Developer (Crypto-wallet)
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Key skills for this role
About the Role
We are looking for a Senior React Native Developer to build and evolve a high-performance non-custodial crypto wallet. You will own core features like transactions, swaps, and bridges, and work on advanced financial products.
Key Skills for This Role
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
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
- Strong collaboration and communication skills in cross functional, product driven teams
- Comfortable working in an autonomous environment with end to end ownership
- Upper intermediate English proficiency (Russian fluency is a plus)
Full Job Posting
Role Overview
- This role sits at the intersection of mobile engineering, fintech innovation, and blockchain technology, focused on building and evolving a high performance non custodial crypto wallet.
- You will take ownership of core user facing features such as sending and receiving assets, transaction history, swaps, bridges, and on ramp flows.
- The role also extends into advanced financial capabilities, including crypto cards, IBAN based payments, subscriptions, and multi provider integrations across different geographies.
- You will work in a fast moving, product driven environment where engineering decisions directly impact real user funds and global financial interactions.
- Ownership is end to end, covering architecture, development, testing, production monitoring, and continuous improvement based on real user feedback.
- You will collaborate closely with Product, Design, Backend, and QA teams in a highly autonomous, international setting.
Accountabilities
- 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.
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.
- Strong collaboration and communication skills in cross functional, product driven teams.
- Comfortable working in an autonomous environment with end to end ownership.
- Nice to have: experience with WalletConnect, Reanimated, Skia, Sentry, Firebase, or similar tooling.
- Strong interest in AI assisted development and automation to improve engineering productivity.
Benefits
- Fully remote work in an international, agile team shaping the future of decentralized finance.
- Competitive salary based on experience and performance.
- High ownership and autonomy over technical and product decisions.
- Strong engineering culture focused on modern tools and continuous innovation.
- Career growth opportunities in a fast scaling fintech environment.
- Transparent feedback culture with clear impact visibility.
- Opportunity to work on cutting edge blockchain and crypto wallet technologies.
- Collaborative environment with product influence at the engineering level.
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