Senior Frontend Engineer UI System (m/f/d)

Job Description

Any secunet Location
Involves infrequent travel

We're looking for a seasoned frontend engineer to pioneer our enterprise-wide design system as the team's first full-time member. In this highly impactful role, you'll lay the foundation for a scalable, resilient, and forward-looking UI component library built on React. You'll take ownership of the design system's architecture, maintenance, and strategic direction, shaping both its technical and cultural evolution.

Your work will bridge the gap between design and development: you'll collaborate closely with interdisciplinary teams within and beyond our organization to foster an open, inclusive, and collaborative design culture. This is your chance to drive long-term impact through systematic thinking and hands-on implementation—with plenty of autonomy and creative freedom.

The Software Factory is secunet's innovation program, designed to provide the technical means to develop entirely new product classes. It consists of a team of highly motivated software engineers focused on cutting-edge, security-focused shared components, and a DevSecOps platform that supports the entire lifecycle of our products. This dynamic and evolving team offers exciting challenges and opportunities for growth.

Technologies we use

• React is our UI home base; other UI frameworks are welcome
• Nix is the glue that keeps all our software together
• CSS, JS/TS, HTML
• Figma
• GitLab

Responsibilities

• Build and maintain the core infrastructure of our design system
• Develop a sustainable architecture for React-based UI components (HTML, CSS, JS/TS)
• Collaborate with design teams to identify needs early and deliver consistent solutions
• Foster a collaborative, open source-inspired culture around the design system
• Contribute to the long-term strategy and support the launch of new initiatives
• Research emerging UI trends to keep the framework future ready
• Align priorities across teams and moderate between different needs

Minimum Requirements

• Extensive experience in frontend development
• Experience with UI components and design systems
• Passion for clean, reusable, and well-documented UI components
• Background in maintainership and a strong affinity for open-source collaboration
• Excellent communication skills to align needs and co-create solutions
• Strategic mindset and interest in sustainable technology design
• Comfortable working across disciplines—from design to development to product
• Familiarity with the German language, while not strictly required, is an advantage

Bonus Points

• Experience with designing tokens and maintaining component libraries
• Familiarity with Figma and close collaboration with designers
• Knowledge of Nix build system is a plus—willingness to learn is expected

Company Culture: We value open communication, innovation, and teamwork, fostering a collaborative environment with flat hierarchies.

Work-Life Balance: Flexible working hours and remote work options support a balance between professional and personal life.

Career Growth: We offer ample opportunities for professional development, including coaching, mentoring, and leadership pathways.

Tech Stack: Work with cutting-edge technologies and help shape secunet's future by influencing the long-term technological vision.

Competitive Compensation: We provide an attractive salary, bonus structures, and a range of benefits, including health and wellness programs.

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