ITRex Group

React Native Engineer

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SeniorZdalnieFull-time

#466417·Dodano 19 dni temu·37

Źródło: ITRex Group

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Tech Stack / Keywords

React Native TypeScript Web3WalletConnectEVMRPCsmart contractsFabricTurboModulesCI/CD

Podsumowanie oferty

Build and maintain high-performance React Native applications for iOS and Android, including Web3/crypto functionality. Work spans third-party integrations, mobile security, performance, testing, and CI/CD.

Wymagania

React Native & Mobile Development:

5+ years of experience in mobile development with a focus on React Native.
Deep understanding of React Native architecture; exposure to Fabric and TurboModules is preferred.
Proven ability to architect, build, and maintain high-performance, scalable mobile applications.
Expertise in application performance optimization, debugging, and profiling.
Strong knowledge of TypeScript and experience enforcing strict typing practices.
Experience publishing and maintaining apps in the App Store and Google Play.

Processes:

Expertise in identifying, analyzing, and resolving application bottlenecks and performance issues.
Experience building and maintaining robust testing strategies (unit, integration, E2E).
Ability to research, evaluate, and introduce new technologies and best practices.
Strong understanding of mobile security principles, secure data storage, and anti-fraud mechanisms.
Experience operating in fast-paced environments and making informed decisions under uncertainty.
English: Upper-Intermediate or higher.

Nice to have:

Hands-on experience in crypto and blockchain development, including crypto wallets, signing, and transactions.
Strong understanding of Web3 technologies: WalletConnect, EVM networks, RPC, and smart contract interaction.
Experience with secure key storage, seed phrase handling, encryption, private key management, and cryptography best practices.
Experience integrating complex SDKs/APIs, bridging native iOS/Android SDKs, and working with Web3/crypto libraries.
Understanding of ERC standards and token metadata structures.

Obowiązki

Architect, build, and maintain high-performance, scalable React Native applications for iOS and Android.
Collaborate with Product, Design, and Backend teams to define requirements and deliver new features.
Communicate and collaborate with external partners, including banks, SDK vendors, and third-party providers, to support integrations, resolve issues, and ensure technical alignment.
Integrate and maintain third-party SDKs, native modules, and Web3/crypto libraries.
Implement Web3 functionality, including wallet features, signing, and smart contract interactions.
Ensure secure handling of sensitive data, including private keys and seed phrases, and enforce mobile security best practices.
Ensure application performance, responsiveness, and overall app quality.
Identify and resolve performance bottlenecks, defects, and reliability issues.
Implement and maintain comprehensive test coverage (unit, integration, E2E).
Work with CI/CD pipelines to support automated build, testing, and deployment processes.
Research, evaluate, and introduce new technologies and best practices to improve product quality and development efficiency.
Participate in the full application development lifecycle, from initial concept to production deployment.

Benefity

English classes.
Professional development.
Well-being support.
Regular meetups and tech talks.

Kursy językowe

Spotkania integracyjne

Inne informacje

Remote position for candidates in Poland.

ITRex Group

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