Frontend React Engineer (Hybrid – Porto)

KCS iT · Porto

Hybrid Senior 🇬🇧 English

React.js Next.js JavaScript TypeScript Redux Zustand MobX Context API HTML5 CSS3 SCSS Tailwind CSS Bootstrap Material UI Chakra UI GraphQL code splitting lazy loading caching Git CI/CD Node.js Webpack Babel Jest React Testing Library Cypress accessibility Agile Scrum SSR SSG Web3 blockchain AI Docker Kubernetes Figma Sketch Adobe XD

Job description

About the role

We are seeking a senior Frontend React Engineer to join our team in Porto on a hybrid basis. You will work on cutting‑edge web applications for a variety of clients, collaborating closely with designers, backend developers, and product owners.

Key responsibilities

Develop and maintain responsive web interfaces using React.js and Next.js.
Integrate RESTful and GraphQL APIs, ensuring optimal performance.
Implement state management solutions such as Redux, Zustand, MobX, or Context API.
Apply best practices for accessibility, code splitting, lazy loading, and caching.
Participate in Agile/Scrum ceremonies and contribute to continuous delivery pipelines.

Required profile

5+ years of professional frontend development experience.
Strong proficiency in JavaScript (ES6+), TypeScript, HTML5, CSS3/SCSS.
Experience with modern UI frameworks (Tailwind CSS, Bootstrap, Material UI, Chakra UI).
Solid understanding of Git, CI/CD workflows, and testing frameworks.
Ability to work independently and within cross‑functional teams.

Required skills

React.js, Next.js
JavaScript (ES6+), TypeScript
Redux, Zustand, MobX, Context API
HTML5, CSS3, SCSS
Tailwind CSS, Bootstrap, Material UI, Chakra UI
RESTful APIs, GraphQL
Performance optimization (code splitting, lazy loading, caching)
Git, CI/CD pipelines
Node.js, Webpack, Babel
Jest, React Testing Library, Cypress
Accessibility (a11y) best practices
Agile/Scrum methodology
Micro‑frontends architecture (plus)
SSR & SSG with Next.js (plus)
Web3, blockchain, AI applications (plus)
Docker, Kubernetes (plus)
Figma, Sketch, Adobe XD (plus)

What we offer

Personalized career development and training programs.
Opportunities to work on international projects, especially in the Benelux region.
Flexible hybrid work model with options for remote or onsite assignments.
Support for well‑being, including free nutrition programs.

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Published 3 months ago

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KCS iT

Porto

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