Senior React Native Engineer — Remote, Ownership & Web3

ITRex Group

United States

Remote

USD 140,000 - 190,000

Full time

5 days ago

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Benefits offered by this job

Remote flexibility

Competitive salary

Medical benefits

Wellness programs

Learning and development

Career progression

Ownership opportunities

AI tools to assist

Team meetups

Supportive culture

Job summary

ITRex Group in the United States is seeking a Senior React Native Engineer to design and deliver high-performance mobile apps for iOS and Android. You will collaborate with Product, Design, and Backend teams to define requirements and ship features.

You will integrate Web3 capabilities, ensure security, and maintain test coverage while working in a remote-friendly environment that values fast, practical solutions and strong engineering discipline.

Qualifications

5+ years of experience in mobile development with a focus on React Native.
Deep understanding of React Native architecture, preferably exposure to Fabric and TurboModules.
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 strict typing practices.
Experience publishing and maintaining apps in App Store and Google Play.

Responsibilities

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 with external partners, including banks, SDK vendors, and 3rd-party providers, for integrations.
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 and enforce mobile security best practices.
Ensure top-level 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.
Participate in the full application development lifecycle, from concept to production.