Senior Design Engineer (m/w/d).

Your mission

As a Senior Design Engineer, you combine frontend development with UX design to shape the user interfaces of our ERP solutions around APplus.
You work directly in the product codebase, using modern AI coding tools to create intuitive, functional and technically reliable user interfaces. You bring together your understanding of design, user experience and frontend technologies while taking responsibility for the quality of the solutions you deliver.
Working closely with our Product Managers, Developers and Designers, you help ensure that our applications are not only functional but also intuitive and enjoyable to use.

• Design and develop modern user interfaces across our ERP products and applications
• Build and optimize frontend solutions using AI coding tools such as Claude Code or Codex
• Create intuitive user flows and interaction concepts based on user requirements
• Contribute to the continuous development of our design system and reusable UI components
• Review and improve AI-generated code with a focus on quality, performance, maintainability and accessibility
• Perform testing, code reviews and quality assurance for developed user interfaces
• Collaborate closely with Product Management, Requirements Engineering and Software Development
• Continuously improve the user experience based on user feedback and usage data
• Actively contribute to AI-driven development workflows and support colleagues in adopting new technologies

Your profile

• Several years of professional experience in frontend development with a strong UX/UI design focus, or in product design with hands-on frontend experience
• Strong knowledge of HTML, CSS and TypeScript, as well as experience with React or Angular
• A strong sense of design, usability and consistent user experiences
• Hands-on experience with AI coding tools and enthusiasm for AI-driven development workflows
• Confidence working with Git, pull requests, code reviews and modern development practices
• Experience with design systems, component-based architectures and responsive interfaces
• Ability to understand, critically evaluate and improve existing and AI-generated code
• Independent, structured working style and a strong commitment to quality
• Strong communication skills, a collaborative mindset and openness to new technologies and change
• Very good English skills; German is a plus

Why us?

• Varied responsibilities in the continuous development of our ERP products and applications
• The opportunity to actively introduce modern AI technologies into our product development and shape new ways of working
• A collaborative environment where you can contribute your ideas and develop your potential over the long term
• Comprehensive onboarding and opportunities for professional and personal development
• Flat hierarchies and an open company culture where teamwork and enjoying what we do matter
• Flexible working hours based on trust, mobile working options and an attractive compensation package
• A range of benefits, including company events, team activities and additional location-specific perks - 
• Poland: additional benefits such as MultiSport, Luxmed and PZU

Contact us

Asseco Solutions
People & Culture
Amalienbadstraße 41c
76201 Karlsruhe
Deutschland
[email protected]