Senior ReactJS Developer

Engineering Vietnam (Remote/Hybrid) (Remote) Contract

Position Summary

We are seeking a Senior ReactJS Developer to create seamless UI/UX experiences. You will be responsible for translating design wireframes into high-quality code, optimizing for performance, and leveraging the Next.js framework.

Key Responsibilities

Develop scalable web applications using React.js and Next.js (App Router experience preferred).
Build reusable, accessible components and comprehensive design systems.
Manage complex application state using Redux Toolkit, Zustand, or React Query.
Optimize Core Web Vitals (LCP, CLS, FID) and SEO performance.
Write unit and end-to-end tests using Jest and Cypress/Playwright.
Collaborate with UI/UX designers to implement pixel-perfect responsive layouts.

Qualifications

5+ years of frontend development experience.
Deep understanding of React.js internals (Hooks, Context, Fiber) and Next.js features (SSR, ISR, SSG).
Strong proficiency in TypeScript and modern CSS (Tailwind, CSS Modules, or Styled Components).
Experience with frontend performance optimization and build tools (Webpack/Vite/Turbopack).
Familiarity with RESTful APIs and modern authorization mechanisms.

About GTEMAS

GTEMAS is a global engineering partner powered by an integrated ecosystem - uniting elite talent, continuous learning, and rigorous delivery management to build stable, scalable, and world-class digital products.

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