Senior Frontend Developer with German

We are looking for a Senior Frontend Developer fluent in German and English to join our team for a leading client in the energy and critical infrastructure sector. The ideal candidate has strong experience building data-heavy web applications with React , Next.js and TypeScript , and has worked with headless CMS platforms such as Sitecore XM Cloud in an enterprise environment.

The successful candidate will help build a modern web application that gives users better access to technical asset information. The work covers frontend development, a backend-for-frontend layer and integration with a headless CMS. The application is data-heavy and includes bulk import and export of structured data (for example from Excel), validation, filtering and visualisation.

Responsibilities:

• Design, build and maintain frontend features using React, Next.js and TypeScript.
• Build and maintain a backend-for-frontend (BFF) layer using Nest . js.
• Integrate the application with Sitecore XM Cloud or a similar headless CMS.
• Build features for bulk import and export of structured data (e.g. Excel), including validation and error handling.
• Implement filtering, search and data visualisation for large datasets.
• Integrate with REST and GraphQL APIs .
• Contribute to a microfrontend architecture and help keep the frontend scalable and maintainable.
• Build accessible, responsive user interfaces with Tailwind CSS and modern component libraries such as Radix UI.
• Set up and maintain CI/CD pipelines in Azure DevOps and deploy to Microsoft Azure .
• Improve frontend performance and code quality.
• Work closely with architects, backend developers and business stakeholders in an agile team.

Requirements:

• 5+ years of professional frontend development experience.
• 3+ years of hands-on experience with React, Next.js and TypeScript.
• 1+ year of experience with headless CMS platforms, preferably Sitecore XM Cloud, or a comparable platform.
• Proven experience with microfrontend architectures.
• Proven experience building backend-for-frontend layers with Nest.js.
• 3+ years of experience with REST and GraphQL APIs .
• Strong HTML and CSS skills in modern web applications.
• Experience with Tailwind CSS and modern UI component frameworks (Radix UI or similar).
• Experience developing data-intensive web applications, including bulk data processing.
• Experience with Microsoft Azure and Azure DevOps , including CI/CD pipelines.
• Fluent German (B2 or higher) and very good English , both mandatory.

Nice to have / Preferred Qualifications:

• Experience working in monorepo-based development environments.
• Experience designing scalable frontend architectures in enterprise environments.
• Experience with frontend performance optimisation.
• Experience in energy, utilities or other critical infrastructure environments.

About Computacenter

Computacenter is a leading independent technology and services provider, trusted by large corporate and public sector organisations. We are a responsible business that believes in sustainable long-term value creation.

We help our customers to source, transform and manage their technology infrastructure to deliver digital transformation, enabling people and their businesses.

Computacenter plc is a public company quoted on the London Stock Exchange (CCC.L) and a member of the FTSE 100. Computacenter employs over 21,000 people worldwide.