Senior React Native Engineer

Posted 3 Days Ago
Be an Early Applicant
Hiring Remotely in Ukraine
Remote
Senior level
Information Technology • Consulting
The Role
Design, build, and maintain two React Native iOS/Android apps for EU and US markets. Collaborate with domain experts, integrate REST/GraphQL APIs and third-party SDKs, create native modules, implement CI/CD and app-store deployment, write unit and E2E tests, monitor production with Datadog/Crashlytics, enforce mobile security best practices, and contribute to design-system components using Storybook.
Summary Generated by Built In

As a  Senior Mobile React Native Engineer, you will be building and maintaining two React Native apps for the European and U.S. markets.
You will collaborate closely with domain experts across the organization to deliver high-quality, mobile-native solutions. We work in a decentralized model, embedding mobile engineers within domain-specific teams. This reduces bottlenecks, deepens domain expertise, and accelerates the delivery of mobile-first features.

This is your opportunity to contribute to a forward-thinking engineering culture and help redefine how we deliver mobile experiences. If you thrive in dynamic environments and enjoy tackling both technical and organizational challenges, we’d love to hear from you!

Requirements:

  • Experience: At least 3 years as a React Native developer, with a strong record of delivering high-quality, performant mobile applications for iOS and Android platforms, general experience 4-5+ years
  • Technical skills: Proficiency in React Native, React Hooks, Redux, Nx (or similar tools), and TypeScript, with the ability to build scalable, maintainable codebases
  • App lifecycle expertise: Hands-on experience with integration, testing, code signing, and deploying apps through app stores, along with familiarity with CI/CD pipelines like GitLab, Fastlane, and Expo EAS
  • API knowledge: Experience working with RESTful APIs and GraphQL, as well as integrating third-party SDKs and libraries into mobile applications
  • Monitoring and debugging: Familiarity with tools like Datadog or Firebase Crashlytics to monitor performance and debug production issues
  • Security practices: A strong understanding of mobile app security, including secure authentication (OAuth, JWT), encryption, and data privacy compliance
  • Native module management: Knowledge of creating and managing native modules for iOS and Android to enable seamless interaction between Native and React Native components
  • Testing: Experience with unit testing (or TDD) using Jest and Enzyme, with familiarity in E2E testing tools like Detox or Maestro as a plus
  • Design systems: Experience working with design systems and tools like Storybook to create consistent and reusable components
  • Soft skills: Excellent analytical and communication skills in English (B2+)
  • AI-assisted engineering: Proficiency in leveraging AI-powered coding assistants, such as Cursor or Claude code, to enhance development velocity and maintain high code quality standards

Responsibilities:

  • Building and maintaining two React Native applications for European and U.S. markets (iOS and Android)
  • Collaborating with domain experts across the organization to deliver mobile-native solutions
  • Integrating RESTful APIs and GraphQL endpoints into mobile applications
  • Integrating third-party SDKs and libraries
  • Creating and managing native modules for iOS and Android
  • Writing unit tests using Jest and Enzyme; contributing to E2E test coverage
  • Working with design systems and Storybook to build consistent, reusable components
  • Participating in CI/CD pipeline activities (GitLab, Fastlane, Expo EAS)
  • Monitoring and debugging production issues using tools such as Datadog or Firebase Crashlytics
  • Applying mobile app security best practices (OAuth, JWT, encryption, data privacy compliance)
  • Leveraging AI-powered coding assistants (e.g., Cursor, Claude Code) to enhance development velocity

What makes this opportunity unique:

  • Dynamic team evolution: Contribute to the transformation of mobile engineering, shaping the future of how we build mobile experiences
  • Career growth: Gain expertise in both centralized and decentralized team models, while deepening your domain-specific mobile development skills
  • Impactful work: Work on apps that serve diverse markets across Europe and the U.S., delivering mobile-first features that directly impact thousands of customers

We offer*:

  • Flexible working format - remote, office-based or flexible
  • A competitive salary and good compensation package
  • Personalized career growth
  • Professional development tools (mentorship program, tech talks and trainings, centers of excellence, and more)
  • Active tech communities with regular knowledge sharing
  • Education reimbursement
  • Memorable anniversary presents
  • Corporate events and team buildings
  • Other location-specific benefits

*not applicable for freelancers

Skills Required

  • At least 3 years as a React Native developer
  • General experience of 4-5+ years in software development
  • Proficiency in React Native and React Hooks
  • Proficiency with TypeScript
  • Experience with Redux and state management
  • Familiarity with Nx (or similar monorepo tools)
  • App lifecycle experience: integration, testing, code signing, app store deployments
  • Experience with CI/CD pipelines (GitLab, Fastlane, Expo EAS)
  • Experience integrating RESTful APIs and GraphQL
  • Experience integrating third-party SDKs and libraries
  • Knowledge of creating and managing native modules for iOS and Android
  • Familiarity with monitoring/debugging tools (Datadog or Firebase Crashlytics)
  • Strong understanding of mobile security practices including OAuth, JWT, encryption, and data privacy compliance
  • Unit testing experience with Jest and Enzyme
  • E2E testing familiarity (Detox or Maestro)
  • Experience with design systems and Storybook
  • Excellent analytical and English communication skills (B2+)
  • Proficiency using AI-powered coding assistants (e.g., Cursor, Claude Code)
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The Company
HQ: North Miami Beach, Florida
2,135 Employees
Year Founded: 2002

What We Do

N-iX is a global software solutions and engineering services company that helps world’s leading organizations turn challenges into lasting business value, operational efficiency, and revenue growth using advanced technology. Whether you need to build a custom solution, modernize your digital product or acquire extra tech expertise - we have the experience and capabilities to ensure your success. With over 2,000 professionals in 25 countries across Europe and the Americas, N-iX offers expert solutions in cloud, data analytics, embedded software, IoT, AI, machine learning, and other tech domains. Being in business for over two decades, we have worked with dozens of industry-leading enterprises and Fortune 500 companies creating value across a wide variety of sectors, including finance, manufacturing, supply chain, retail, e-commerce, healthcare, and more. Our unique combination of business domain expertise and technical know-how enables us to effectively collaborate with ISVs, tech companies, and enterprises of all sizes. Thanks to the strong tech ecosystem and partnerships with AWS, GCP, Microsoft, SAP, OpenText, Snowflake, and others, we bring extra speed, scale and efficiency to more than 160 organizations across the globe. N-iX is recognized by numerous industry awards, such as CRN Solution Provider 500, Global Outsourcing 100 by IAOP, ISG Provider Lens™, Modern Application Development services providers by Forrester, etc

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