Senior React Engineer (with React Native experience)

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.
• Experienсe with React Native 1+ year
• Experience with NextJS
• 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.