FRONTEND DEVELOPER React.js and/or Angular

Keoni; Paris; Hybrid; EUR 42,000 - 62,000; Full time

Job summary

Keoni in Paris is looking for a Frontend Developer skilled in React.js and/or Angular to build modern, high-performance user interfaces within agile teams.

You will translate UX/UI designs, integrate REST/GraphQL APIs, and work closely with backend developers to deliver responsive, accessible interfaces using TypeScript, HTML5, and CSS3.

The role involves writing documentation, participating in code reviews, and operating in a DevOps environment with CI/CD pipelines and Docker.

Qualifications

• Proficiency in React.js and/or Angular for developing dynamic interfaces.
• Excellent understanding of TypeScript, JavaScript ES6+, HTML5, and CSS3.
• Experience with state management (Redux, NgRx, Context API).
• Experience with modern build tools: NPM, Webpack, etc.
• Knowledge of frontend testing (Playwright, React Testing Library, Cypress).
• Integration of REST and/or GraphQL APIs.
• Knowledge of UX/UI principles, responsive design, and accessibility (ARIA, WCAG).
• Experience with containerization using Docker and Docker Compose for development or testing environments.

Responsibilities

• Design and development of responsive and maintainable user interfaces.
• Participation in ergonomic design and continuous improvement of the user experience.
• Integration of UI/UX mockups provided by designers.
• Collaboration with backend developers for API integration.
• Writing technical documentation.
• Participation in code reviews, agile sprints, and demos.

Skills

React.js

Angular

TypeScript

JavaScript ES6+

HTML/CSS

Tools

NPM

Webpack

Docker

Git/GitLab CI

Job description

# FRONTEND DEVELOPER React.js and/or Angular* FRONTEND DEVELOPER React.js and/or AngularContext: The candidate will be involved in high-value web development projects within agile or multidisciplinary teams. They will participate in the design of modern and high-performance user interfaces, integrating functional, technical, and security constraints. The role involves collaboration with UX/UI designers and backend and development teams within a DevOps framework.MISSIONS Main Activities: • Design and development of responsive and maintainable user interfaces. • Participation in ergonomic design and continuous improvement of the user experience. • Integration of UI/UX mockups provided by designers. • Collaboration with backend developers for API integration. • Writing technical documentation. • Participation in code reviews, agile sprints, and demos.Profile & Technical Requirements: • Proficiency in React.js and/or Angular (components, hooks, services, routing) for developing dynamic interfaces. • Excellent understanding of TypeScript, JavaScript ES6+, HTML5, and CSS3. • Experience with state management (Redux, NgRx, Context API). • Experience with modern build tools: NPM, Webpack, etc. • Knowledge of frontend testing (Playwright, React Testing Library, Cypress). • Integration of REST and/or GraphQL APIs. • Knowledge of UX/UI principles, responsive design, and accessibility (ARIA, WCAG). • Experience with containerization using Docker and Docker Compose for development or testing environments. Proficiency with Git, GitLab/GitHub CI, and CI/CD pipelines.**Work location:** Europe