Senior React Engineer (with React Native experience)

1 Month ago • All levels • Mobile Development

Job Summary

Job Description

The Senior React Engineer will be responsible for building responsive, visually appealing, and accessible user interfaces. They will write clean and maintainable code, optimize performance, integrate APIs, ensure cross-browser compatibility, write tests, collaborate with other teams, implement CI/CD pipelines, and adhere to security, accessibility, and SEO standards. The role also involves mentoring junior developers and staying updated with new technologies. The company is a global marketplace for savings and investments, and the engineer will contribute to its platform, working with a team of designers, backend engineers, and product managers.
Must have:
  • Strong React Expertise – Deep understanding of React, hooks, functional components, and performance optimization.
  • Monorepo Experience – Familiarity with tools like Turborepo, Nx, or Yarn Workspaces for managing monorepos.
  • JavaScript & TypeScript – Strong knowledge of ES6+ features and TypeScript for scalable applications.
  • API Integration – Expertise in RESTful and GraphQL APIs, including error handling and caching.
  • Performance Optimization – Experience in lazy loading, memoization, code splitting, and Webpack/Vite optimizations.
  • Testing – Knowledge of Jest, React Testing Library, Cypress, or Playwright for unit and integration testing.
  • CI/CD & Tooling – Familiarity with GitHub Actions, Jenkins, or GitLab CI for automated testing and deployments.
  • Styling & Design Systems – Experience with CSS-in-JS (Styled Components, Emotion) or utility frameworks like Tailwind CSS.
  • Accessibility & SEO – Knowledge of WCAG standards, ARIA roles, and SEO best practices.
  • Agile & Collaboration – Comfortable working in Agile teams and collaborating with designers, backend engineers, and product managers.
  • Version Control – Strong Git skills, including branching strategies and code review best practices.
Perks:
  • 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

Job Details

N-iX is looking for Senior React Engineer to join our team! Our customer is a global marketplace for savings and investments, providing savers with effortless access to high-yield savings accounts and investment options from over 400 partner banks worldwide. It eliminates geographic limitations, ensuring transparency, convenience, and competitive rates. For banks, it offers cost-efficient deposit funding and innovative Banking-as-a-Service solutions.

Requirements: 

  • Strong React Expertise – Deep understanding of React, hooks, functional components, and performance optimization.
  • Monorepo Experience – Familiarity with tools like Turborepo, Nx, or Yarn Workspaces for managing monorepos.
  • JavaScript & TypeScript – Strong knowledge of ES6+ features and TypeScript for scalable applications.
  • API Integration – Expertise in RESTful and GraphQL APIs, including error handling and caching.
  • Performance Optimization – Experience in lazy loading, memoization, code splitting, and Webpack/Vite optimizations.
  • Testing – Knowledge of Jest, React Testing Library, Cypress, or Playwright for unit and integration testing.
  • CI/CD & Tooling – Familiarity with GitHub Actions, Jenkins, or GitLab CI for automated testing and deployments.
  • Styling & Design Systems – Experience with CSS-in-JS (Styled Components, Emotion) or utility frameworks like Tailwind CSS.
  • Accessibility & SEO – Knowledge of WCAG standards, ARIA roles, and SEO best practices.
  • Agile & Collaboration – Comfortable working in Agile teams and collaborating with designers, backend engineers, and product managers.
  • Version Control – Strong Git skills, including branching strategies and code review best practices.

Responsibilities:

  • UI/UX Development – Build responsive, visually appealing, and accessible user interfaces.
  • Coding & Development – Write clean, maintainable code using modern frameworks (React, Vue, Angular).
  • Performance Optimization – Ensure fast load times, efficient rendering, and smooth interactions.
  • API Integration – Work with REST/GraphQL APIs and manage state effectively (Redux, Context API, etc.).
  • Cross-Browser Compatibility – Ensure consistent performance across all devices and browsers.
  • Testing & Debugging – Write unit and integration tests (Jest, Cypress) and fix bugs efficiently.
  • Collaboration – Work closely with designers, backend engineers, and product teams.
  • CI/CD & Deployment – Implement build tools, CI/CD pipelines, and monitor production applications.
  • Security & Best Practices – Follow security, accessibility (WCAG), and SEO standards.
  • Mentorship & Innovation – Guide junior developers and stay updated with new technologies.

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

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