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Vacancy catalog
Devox Software
Open roleUpdated>14 days

React Native Developer (Blockchain/Crypto)

Devox SoftwareRemote
Work model
Remote
Experience
Not specified
Employment
Not specified
Compensation
Not disclosed
Technology signal
15 tags

Technology context

15

Parsed from the vacancy text; ordered by relevance to this role.

JavaScriptReact.jsJavaCryptographyReliability EngineeringBackendC++CFrontendReact NativeKotlinSwiftRESTCI/CDPerformance Optimization

Full listing

Role description

01

Key Requirements

  • Deep experience with React and React Native (Expo)
  • Strong knowledge of JavaScript and ES6+, and familiarity with modern front-end tooling.
  • Experience with Redux and related React ecosystem fundamentals.
  • Proven background in crypto or wallet development (Bitcoin, Web3, wallets, private keys or similar technologies).
  • Understanding of decentralized systems and concepts like public/private keys, signing, transactions, and fees.
  • Strong experience integrating REST APIs and WebSockets; real-time data handling.
  • Experience with native modules (e.g. in C++) and low-level integrations.
  • Hands-on experience in Swift or Objective-C (iOS) or Kotlin or Java (Android) for low-level mobile integrations.
  • Familiarity with CI/CD pipelines for mobile deployments.
  • Good understanding of mobile security: secure storage, key management, encryption, secure communication.
  • Comfortable working in a remote, distributed team, communicating in English (written and spoken).

Nice to Have

  • Experience with hardware wallets or secure elements.
  • Knowledge of Layer 2 solutions, sidechains, or Lightning Network.
  • Background in cryptography or security engineering.
  • Experience with performance optimization and profiling for mobile apps

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02

Your Responsibilities

  • Development

Design, develop and maintain secure cross-platform mobile applications for iOS and Android using React Native (Expo).

Work closely with designers to ensure the UI is clean, fast and accessible.

Write clean, testable, and well-documented code, following best practices.

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Integration

Integrate JavaScript SDKs, crypto wallet libraries, backend services and low-level native modules into mobile applications

Work with Bitcoin / Web3 / blockchain APIs and wallet backends.

Implement and manage wallet functionality: addresses, balances, transactions, seed phrases, private keys (with secure handling only).

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Collaboration

Work closely with backend, product and design teams to deliver innovative crypto wallet and DeFi features.

Participate in architecture discussions, code reviews and technical decision-making.

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Security & Reliability

Implement mobile security best practices : secure storage, encryption, device integrity checks, protection from common attack vectors.

Contribute to performance optimization, monitoring and reliability of mobile apps used at global scale.

03

We Offer

  • Transparent strategy and thoughtful management that keep everyone aligned
  • Space for personal growth and career development without limits
  • A culture of continuous learning: internal courses, workshops, and English classes twice a week
  • Skill up events where we share experience and stay on top of trends
  • Competitive perks: flexible schedule, a strong compensation package, support for professional certifications, and generous vacation policy
  • Team spirit that thrives through regular events, gatherings, and celebrations