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Senior Next.js / React Frontend Engineer

Ubique Systems — France · Posted ~1 hour ago

Senior

Skills

React 19+ Advanced TypeScript Next.js Reusable component development Web performance optimization Caching CDN optimization Core Web Vitals REST APIs GraphQL Unit testing Integration testing Git Agile TypeScript REST GitLab Jenkins Jira Confluence

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Summary ✨ AI‑Generated

A senior frontend engineer is needed to build reusable, strongly typed interfaces using modern React, Next.js, and TypeScript. You will focus heavily on web performance, integrate REST and GraphQL APIs, contribute to a design-system approach, improve delivery automation, and maintain strong unit and integration testing practices.

Highlights

Work on modern frontend engineering with React, TypeScript, and Next.js, emphasizing reusable architecture and strong web performance. The role includes API integration, design-system-oriented development, CI/CD, automated testing, and Agile collaboration.

Description

The role requires deep React 19+ and advanced TypeScript skills to build reusable, strongly typed components, plus strong web performance expertise (caching, CDN optimization, Core Web Vitals). You will integrate REST/GraphQL APIs, contribute to a design-system-oriented styling approach, and industrialize delivery with Git/GitLab/Jenkins CI/CD and solid unit/integration testing in an Agile environment. Media/video streaming, accessibility, and Jira/Confluence are valued extras; occasional on-call/evening/weekend interventions may be needed.