Senior Software Developer – UI/UX and Software Architecture (m/f/d)

Safetec GmbH

Job Description

Safetec GmbH is an independent company of E.ON SE with headquarters in the beautiful city of Heidelberg.

Over the past 30 years, Safetec has developed into the market and technology leader in radiation protection and nuclear decommissioning. We provide our customers with expert advice and support throughout the entire life cycle of a nuclear facility, from construction and operation through to dismantling. With around 700 employees, innovative technologies and solutions, we make a decisive contribution to the success of nuclear decommissioning in Germany.

Are you looking for a new professional challenge in an industry with secure future prospects and high social relevance? We are looking for a Senior Software Developer - UI/UX and Software Architecture (m/f/d) to support our development team in Heidelberg as soon as possible.


  • Conception and further development of the UI and software architecture: Responsibility for the architectural decisions and ensuring a modular, scalable structure in collaboration with the team members
  • Coordination within the development team: Collaboration and technical coordination with other developers to ensure high quality standards and effective implementations
  • Development and implementation of UIs with Qt widgets and QML: Design of intuitive and user-friendly user interfaces that support and optimize complex workflows
  • Cross-project communication: Close coordination with colleagues and other teams, especially product owners, to ensure that technical solutions meet business requirements
  • Quality assurance and code reviews: Review and optimize code for long-term maintainability and efficiency, including active participation in code reviews and improving team standards

  • 5+ years of experience in front-end development and software architecture: Profound knowledge of UI development with Qt5 and C++ and a deep understanding of architecture and design principles
  • Strong communication and teamwork skills: Ability to provide technical guidance to the team, communicate technical decisions clearly and discuss with colleagues in the team to achieve the common objective
  • Solid CI/CD experience: Experience in building CI/CD pipelines and working with Git and CMake
  • Experience in technical applications, ideally in metrology and 3D visualization: Practical experience in developing software solutions for technical applications, preferably with knowledge in metrology and 3D algorithms and visualization (e.g. with VTK)
  • Confident in English and basic knowledge of German: Business fluent in written and spoken English; knowledge of German is an advantage
  • Structured way of working and entrepreneurial thinking: Strong sense of responsibility, solution-oriented work and high quality standards

  • Stability: You will receive a permanent employment contract with pay in line with the IG-Metall collective agreement, including vacation and Christmas bonuses
  • Work-life balance: 30 days' annual leave and a flexible working time account give you plenty of freedom
  • Strong company culture: You can expect flat hierarchies and an open working atmosphere characterized by real teamwork
  • Security for the future: We provide you with additional security with a company pension scheme and supplementary health insurance (visual aid, dentures, daily sickness allowance
  • Further goodies: JobRad, corporate benefits and much more
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