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Claas H.

Release Train Engineer (SAFe)

Hamburg, Germany

Experience

Jan 2023 - Present
2 years 8 months
Germany

Release Train Engineer (SAFe)

Volkswagen / Cariad / DX.One

  • Servant leader for an Agile Release Train (~60 people).
  • Close collaboration with Product Management and system architecture.
  • Focus on remote management and cross-functional coordination.
Jan 2021 - Dec 2023
3 years
Germany

Senior Scrum Master & Agile Coach (SAFe)

Volkswagen / Cariad

  • Leading international teams.
  • Supporting PI planning.
  • Fostering cross-functional collaboration.
  • Working with the RTE and Scrum of Scrums.
  • Mentoring Scrum Masters.
Jan 2020 - Dec 2021
2 years
Hamburg, Germany

Agile Coach

Serrala Group GmbH

  • Coaching Scrum Masters, Product Owners, and tech leads.
  • Facilitating workshops.
  • Creating an Agile workbook.
  • Supporting the CTO in the agile transformation.
Jan 2019 - Dec 2020
2 years
Germany

Senior Scrum Master

Arvato Supply Chain Solutions

  • Leading teams in B2C and B2B projects.
  • Tasks included shop migration and app development.
Jan 2018 - Dec 2019
2 years

Agile Team Lead

Barclays Bank Ireland PLC

  • Scrum Master for the German development team.
  • Coordinating cross-country communication.
  • Supporting the program manager.

Summary

With over 19 years of experience in project management and deep expertise in the Scrum and SAFe frameworks, I guide agile transformations across industries—combining strategic clarity with operational strength. My style blends visionary thinking with hands-on execution to effectively establish agile ways of working.

As a Certified SAFe Practice Consultant (SPC 6.0) and Release Train Engineer (RTE 6), I have successfully implemented and scaled SAFe in teams and organizations. My focus is on building and leading Agile Release Trains (ARTs), promoting cross-functional collaboration, and coaching agile teams.

I complement my operational role as an RTE and Senior Scrum Master with skills in agile coaching, systemic organizational development, and workshop facilitation.

Languages

German
Native
English
Advanced

Certifications & licenses

Scrmbt

Certified Agile Coach

Certified Agile Leadership 1 (CAL 1)

Certified Project Manager

Certified SAFe Advanced Scrum Master (SASM 6)

Certified SAFe Practice Consultant (SPC 6.0)

Certified SAFe Release Train Engineer (RTE 6)

Certified Scrum Professional Scrum Master (CSP-SM)

Systemic Business Coach

Train the Trainer

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