Senior Frontend Engineer (React) (m/w/d)

5 months ago

Dortmund, GermanySenior

Responsibilities

Develop and scale the frontend architecture based on React.
Design and implement complex features with attention to user experience, performance, and maintainability.
Integrate REST APIs and collaborate with Laravel backend developers on interfaces.
Conduct code reviews and help ensure high code quality across the team.
Contribute to architecture decisions involving state management, component structure, and testing strategies.
Reduce technical debt and continuously improve existing systems.
Collaborate closely with product management and backend development.
Provide technical ownership beyond personal code through knowledge sharing and team support.
Optimize rendering and loading performance and improve accessibility.

Completed vocational training or university studies in computer science, or an equivalent qualification through practical experience.
At least 5 years of frontend development experience with a focus on React.
Strong knowledge of modern JavaScript, including ES6+, and solid experience with React, Hooks, and the component lifecycle.
Professional experience using TypeScript in production applications.
Experience developing and maintaining complex, long-term web applications rather than only marketing or landing pages.
Experience designing and evolving frontend architectures, including state management and component structure.
Experience with modern styling approaches, ideally utility-first CSS frameworks such as Tailwind CSS.
Experience with asynchronous data processing and REST API integration, such as through Fetch or Axios.
Experience with automated frontend tests, including unit and integration testing with Vitest or comparable tools.
Experience with modern build tools and development environments such as Vite, as well as Git.
Understanding of CI/CD processes and continuous software delivery.
Structured, quality-conscious, independent, and collaborative working style.

Hybrid work model with the option to work from home.
€60,000–€80,000 gross annual salary depending on experience and qualifications.
Employer-supported professional and personal development.
Company events, modern work equipment, and a professional development environment.
Short decision-making paths and meaningful technical scope for decision-making.
Company pension scheme and non-cash benefits such as vouchers or supplementary services.
Free drinks, free parking, and a casual dress code.
Small, focused development teams with close collaboration between engineering and product.

11-50 employees