Frontend Developer, React

. Development of sophisticated, high-performance, and responsive Single Page Applications (SPA) using React and Vite .

Posted 4/21/2026full-timeRemote • 🇩🇪 GermanyMid-LevelSeniorWebsite

Tools & technologies

JavaScriptReactReduxSCSSTypeScript

Key responsibilities & impact

Development of sophisticated, high-performance, and responsive Single Page Applications (SPA) using React and Vite
Design and implementation of modern user interfaces with intensive use of DevExtreme React Components and SCSS
Integration of REST APIs (via Axios/MSW) and management of application state using Redux Toolkit
Use of professional tooling to ensure code quality (TypeScript, ESLint, Prettier, Husky, Commitizen)
Analysis and optimization of frontend performance as well as ensuring high usability and cross-browser compatibility
Maintenance, further development and continuous improvement of existing frontend applications, including analysis and optimization of frontend performance

What you’ll need

Solid professional experience in frontend development with React (SPA)
Excellent knowledge of JavaScript (ES6+) and TypeScript
Confident handling of modern state management (preferably Redux Toolkit)
Routing (React Router)
Deep understanding of modern HTML5 and CSS3 and strong experience with CSS preprocessors (especially SCSS/SASS)
Knowledge of modern software architecture and design patterns
Analytical mindset, high quality standards, strong team skills and enthusiasm for knowledge sharing
Ideally practical experience with DevExtreme React Components
Very good German and English skills, both written and spoken

Comp & perks

A permanent employment contract in a steadily growing company
Thorough and individual onboarding with a personal mentor
Regular feedback and development meetings to support your personal growth
Work remotely in a flex office arrangement or on-site in Langenfeld
Company gym, snacks, drinks and health-oriented offers (e.g., health month, WLP app)
Modern hardware — available in the Langenfeld office and for the flex office
€50 monthly voucher card top-up, company smartphone with mobile contract, business bike leasing, Corporate Benefits program, e-charging stations

ATS Keywords

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Hard Skills & Tools

ReactViteDevExtreme React ComponentsSCSSREST APIsAxiosRedux ToolkitJavaScriptTypeScriptHTML5

Soft Skills

analytical mindsethigh quality standardsteam skillsenthusiasm for knowledge sharing