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Julian

Green Software, Software Architecture,
IT Consulting

Julian:
Sustainable Software Architecture
and Green IT with Vision

Julian is an experienced software architect, consultant, and trainer with extensive expertise in sustainable software development and modern software architectures.

He is a Green Software Champion of the Green Software Foundation and brings deep knowledge in the design and implementation of resource-efficient software solutions.

Throughout his career, Julian has been involved in the development and architecture of numerous cloud-native applications in the FinTech sector – including projects related to payroll systems, the establishment of sustainable IT infrastructures, and the modernization of web applications.

His core areas include Green Software Engineering, test-driven development, and full-stack technologies such as Java, Spring Boot, Angular, and GraphQL.

He also has strong expertise in building CI/CD pipelines, cloud operations (Docker, Kubernetes), and quality assurance using automated testing and code analysis tools.

In addition, Julian teaches at the Baden-Württemberg Cooperative State University (DHBW), where he shares his knowledge in mathematics, application development, and Green IT in a hands-on, practical manner.

Personal Philosophy

Julian takes a forward-looking approach to software architecture that combines technical excellence with environmental awareness.

For him, good software means not only functional quality but also sustainability, maintainability, and social responsibility.

He makes deliberate use of agile methods such as TDD, BDD, and mob programming, combined with a clear communication culture and team empathy.

His goal is to design technical solutions that are not only scalable but also resource-conscious and built for the long term.

Personal Style

Julian is known for his structured and scientifically grounded working style.

He combines analytical thinking with practical implementation and has a talent for inspiring teams around technical excellence and sustainable software development.
His leadership style is characterized by openness, transparency, and trust in his colleagues’ self-responsibility.

Julian fosters a learning environment where continuous improvement, constructive feedback, and deep technical expertise are actively encouraged.

Special Achievements

  • Founded and led an internal Green IT community at DATEV

  • Led a research initiative on measuring resource consumption of architecture and coding patterns

  • Developed sustainable web applications in the area of HR and payroll

  • Migrated legacy applications to modern cloud-native infrastructure

  • Advised internal teams on adopting green software practices and energy-efficient API design