+49 6196 400 893

Menu

Holger

Software Architecture,
Enterprise Architecture,
IT Consulting

Holger: An Integrative Approach to Software Development

Holger is an experienced senior software architect and the deputy chairman of iSAQB e.V.,
distinguished by his sense of responsibility, pragmatism, and professionalism.

He has led numerous successful projects, including the development of innovative cloud solutions,
the digitalization of business processes, and the implementation of microservices architectures.

Among his outstanding projects are the digital transformation of an online health insurance fund,
the integration of more than 3,000 schools through the Ministry of Education in Lower Saxony,
and the development of a secure web system for managing construction and facility handbooks.

Holger is a passionate trainer and mentor who shares his knowledge with the next generation of software architects
through trainings and workshops.

Personal Philosophy

Holger follows an integrative and collaborative approach to software development.

He is convinced that the key to success lies in close collaboration with stakeholders and in understanding their needs.

He places great importance on continuous learning, agile working practices, and fostering open communication within the team.

His philosophy emphasizes the combination of technical expertise with social skills to develop sustainable and innovative solutions.

Personal Style

Holger is characterized by a structured and analytical working style.

He fosters a creative and trusting work environment in which team members can actively contribute their ideas.

His collaborative leadership style encourages personal responsibility and the development of innovative solutions.

As an active communicator, he conveys technical concepts in a clear and understandable way and supports teams in implementing complex projects.

Special Achievements

  • Digital transformation of an online health insurance provider: Designed the architecture enabling the connection
    and accessibility of all services via the internet.
  • Development of a distributed system architecture for the Ministry of Education in Lower Saxony:
    Central integration and management of more than 3,000 schools.
  • Optimization of a DevOps approach: Improved the “flow” through all phases of software delivery
    with a focus on scalability, maintainability, and reliability.
  • Leadership of the technical implementation of a microservices‑based portal:
    Provided consulting for the introduction of Scrum of Scrums and trained developer teams.

    • Certifications and Accreditations

    AccreditationsTrainer for:

    🎓 iSAQB® CPSA-Foundation Level (CPSA-F)

    🎓 iSAQB® CPSA-Advanced Level – Modul ADOC

    🎓 iSAQB® CPSA-Advanced Level – Modul CLOUDINFRA

    🎓 iSAQB® CPSA-Advanced Level – Modul DDD

    🎓 iSAQB® CPSA-Advanced Level – Modul FLEX

    🎓 iSAQB® CPSA-Advanced Level – Modul IMPROVE

    🎓 iSAQB® CPSA-Advanced Level – Modul SOFT

    🎓 iSAQB® CPSA-Advanced Level – Modul WEB

    Certifications:

    🎓 iSAQB® CPSA-Foundation Level (CPSA-F)

    🎓 iSAQB® CPSA-Advanced Level – Modul ADOC

    🎓 iSAQB® CPSA-Advanced Level – Modul CLOUDINFRA

    🎓 iSAQB® CPSA-Advanced Level – Modul DDD

    🎓 iSAQB® CPSA-Advanced Level – Modul FLEX

    🎓 iSAQB® CPSA-Advanced Level – Modul IMPROVE

    🎓 iSAQB® CPSA-Advanced Level – Modul SOFT

    🎓 iSAQB® CPSA-Advanced Level – Modul WEB