Jan W.
Technical Consultant
Experience
Sep 2025 - Present
4 monthsTechnical Consultant
Various Clients
- AI-supported code creation and context engineering make changesets larger.
- Strong software engineering expertise, reviews, pipeline enforcement, and domain automated tests are becoming increasingly important.
- RAG evaluation for legal advisory (build or buy).
- RAG evaluation and POC for an ERP time-tracking module.
- Advising on foundation model selection.
- Set up AI development environment (eliminating shadow AI).
- AI strategy consulting.
Jul 2024 - Jul 2025
1 year 1 monthQuality Coach/Test Automation Engineer/DevOps/Release Manager
RWE AG
- Advising and coaching two development teams.
- Code and security reviews.
- Maintainable and sustainable test automation with Jest and Cypress at all test levels.
- Setting up and maintaining DevOps pipelines for CI/CD.
- Release management.
Jun 2023 - Jun 2024
1 year 1 monthSenior Tester/Agile Senior Tester/Senior Test Automation Engineer
ARRI
- Creating a new test framework based on pytest.
- Maintaining the legacy test framework based on Robot and Java 17.
Sep 2022 - May 2023
9 monthsSabbatical
- You see a gap in the resume – yes, it was awesome!
- ACE – Google Cloud Certified Associate Cloud Engineer.
- Professional Cloud Developer – Google Cloud Certified.
- Professional Cloud DevOps Engineer (exam pending).
Mar 2022 - Jul 2022
5 monthsQuality Coach
Flink SA
- Building a team and a pipeline.
- Setting up test automation with Node.js, TypeScript, Playwright, GraphQL, Jest, and PostgreSQL.
Jun 2020 - Feb 2022
1 year 9 monthsTest Automation Engineer
MediaMarktSaturn
- Browser UI test framework and end-to-end tests.
- High-level integration tests and dashboard development.
- Mock development, GitHub Actions, and performance test evaluation.
May 2019 - May 2020
1 year 1 monthTest Engineer/Agile Tester/Developer
Joyn GmbH
- Development of backend systems in content flow and content partner onboarding.
- License management and visibility settings.
Summary
Test automation / development / Ninja coach for agile development practices / build management (configuration management, continuous integration) / test management / test coordination / environment support (test administrator) / infrastructure / security engineer / Ninja coach for agile software development
Several years of experience as a test manager, including test planning, execution, coordination, analysis, and automation.
Experience in politically challenging environments. Team leadership experience.
Java, J2EE, web, and portal environments.
Performance testing (efficiency, load, stress tests)
19 years of Scrum project experience, 7 years of Kanban project experience, 2 years of XP project experience
Languages
German
NativeEnglish
AdvancedEducation
Oct 2008 - Jun 2014
FernUniversität in Hagen
Master of Science, Mathematics - Methods and Models · Mathematics - Methods and Models · Hagen, Germany
Oct 2003 - Jun 2008
FernUniversität in Hagen
Master of Computer Science · Computer Science · Hagen, Germany
Oct 1996 - Jun 2000
Fachhochschule München
Diploma in Business Administration (FH), focus on Business Informatics · Business Administration, focus on Business Informatics · Munich, Germany
Certifications & licenses
ACE - Google Cloud Certified Associate Cloud Engineer
AWS Certified AI Practitioner (AIF-C01)
Business Objects Designer/Administrator
Certified Scrum Developer (CSD)
Certified Scrum Master (CSM)
Certified Scrum Product Owner (CSPO)
ISTQB Certified Tester - Advanced Level Technical Tester
ISTQB Certified Tester - Advanced Level Test Analyst
ISTQB Certified Tester - Advanced Level Test Manager
ISTQB Certified Tester - Agile Tester (CAT)
ISTQB Certified Tester - Foundation Level (CTFL)
ISTQB Certified Tester - Full Advanced Level
Communication Trainer
Oracle Certified Professional Java Programmer (OCPJP 6.0/SCJP)
Oracle Certified Professional Java Programmer (OCPJP 7.0 upgrade)
Oracle Database Administration
Oracle PL/SQL/ SQL Access Optimization
Professional Cloud Developer
SpringSource (Pivotal) Certified Professional - Core Spring Framework
WhiteHat Certified Secure Developer (WCSD)
iSAQB Certified Professional for Software Architecture (CPSA)
Need a freelancer? Find your match in seconds.
Try FRATCH GPT More actions
Similar Freelancers
Discover other experts with similar qualifications and experience
- English
- Deutsch
2025 © FRATCH.IO GmbH. All rights reserved.