React Frontend Developer

October 22, 2026

Office

Senior

Berlin, Germany

Keep in mind

Original vacancy is in German
You will likely need German for the job. The employer can confirm
Office-only work

Also worth knowing

English is required
C1 level

Description

A German IT service provider founded in Koblenz in 2015 offers tailored IT services for business clients, supports their cloud migration and keeps their systems and applications running reliably. The team is hiring a React Frontend Developer to build modern, performant, accessible and internationalized web applications with React and TypeScript. The developer works closely with the design and backend teams, maintains the design system and takes part in architecture decisions and code reviews. The position is full-time and based in Berlin.

Responsibilities

Develop modern frontend applications with React, TypeScript and modern state management, using current React patterns such as Hooks, Context, Custom Hooks and Suspense
Design scalable frontend architectures focused on performance, accessibility and reusability and optimize large web applications with code splitting, memoization and suitable rendering strategies
Develop and maintain design systems and reusable UI components in close cooperation with the design team, including in Figma and Storybook
Build accessible and internationalized web applications according to current WCAG standards with a good user experience
Integrate API interfaces (REST / RPC) in close collaboration with the backend teams and work with React Router when needed
Ensure the quality of your development through Vitest and Playwright and work with Git, GitLab and GitLab pipelines
Contribute to technical concepts and architecture decisions, conduct code reviews and use AI-supported tools to improve development processes and code quality
Actively shape the frontends and bring in your own ideas instead of merely implementing requirements

Requirements

At least 2 years of experience in frontend development with React and TypeScript and a solid grasp of the React ecosystem
Confident use of modern frontend tools and technologies, especially Vitest, Playwright and Storybook
Familiarity with React Router and Tailwind CSS is desirable
Experience with design systems and reusable UI components and confident collaborative work in Figma
Strong knowledge of accessibility and experience with internationalization
Good knowledge of Git and GitLab and experience with GitLab pipelines
Reliable, committed and independent working style with genuine enjoyment of hands-on software development
Very good German and business-fluent English for internal and external communication

Conditions

Full-time employment
Modern workplaces in a centrally located office
Work in a team that shares knowledge, discusses on equal terms and makes technical decisions together
Short decision-making paths and room to take on responsibility
Details on benefits, the team and the hiring process are provided after clicking apply