Senior React Developer (m/f)

ARHS Group, part of Accenture, is looking for a Senior React Developer (m/f) to join one of our client teams onsite in Luxembourg within a European institutional environment.

In this role, you will contribute to the development of modern web applications and user\-facing platforms, helping deliver intuitive, scalable, and high\-quality digital solutions. You will work closely with business analysts, developers, testers, and technical leads in an Agile environment.

THE WORK:

• Design, develop, test, and maintain frontend web applications using React and JavaScript.


• Build reusable components and contribute to the evolution of shared UI libraries and design systems.


• Collaborate with business analysts, technical leads, and development teams to translate requirements into high\-quality user interfaces.


• Ensure applications are responsive, accessible, and optimized for performance.


• Develop and maintain automated tests to ensure reliability and quality.


• Participate in code reviews and promote frontend development best practices.


• Deploy, monitor, and support applications running in containerized environments, both on\-premises and in the cloud.


• Contribute to continuous improvement initiatives across development and delivery processes.

Onsite at client site: This role requires an onsite presence with our clients and partners to support project delivery and strengthen client relationships.

Our roles require in\-person time to encourage collaboration, learning, and relationship\-building with clients, colleagues, and communities. As an employer, we will be as flexible as possible to support your specific work/life needs.

HERE’S WHAT YOU’LL NEED:

• Strong experience in frontend development using React and JavaScript.


• Solid knowledge of:


• React (functional components, hooks, Context API)


• JavaScript


• HTML5 and CSS3


• REST APIs and JSON


• Experience building reusable components and contributing to shared design systems.


• Experience with frontend testing tools such as Jest and React Testing Library.


• Familiarity with modern build and package management tools such as NPM and Vite.


• Experience working with CI/CD pipelines, ideally using Azure DevOps.


• Understanding of responsive design principles and modern frontend development practices.


• Strong communication and collaboration skills.


• Fluency in English (written and spoken).

*As part of our security and compliance procedures, candidates will be required to undergo a criminal background check prior to employment.*

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