Jan Wahler - Technical Consultant

Q: Where is Jan based?

Jan is based in Munich, Germany .

Q: What languages does Jan speak?

Jan speaks the following languages: German (Native), English (Advanced) .

Q: How many years of experience does Jan have?

Jan has at least 6 years of experience. During this time, Jan has worked in at least 6 different roles and for 6 different companies . The average length of individual experience is 1 year . Note that Jan may not have shared all experience and actually has more experience.

Q: What is Jan's latest experience?

Jan's most recent position is Technical Consultant at AI Beratung (KMU) .

Q: What companies has Jan worked for in recent years?

In recent years, Jan has worked for AI Beratung (KMU) , RWE AG , ARRI , Flink SA , and MediaMarktSaturn .

Q: Which industries is Jan most experienced in?

Jan is most experienced in industries like Media, Entertainment and Publishing , Retail , and Energy . Jan also has some experience in Manufacturing , Information Technology (IT) , and Professional Services .

Q: Which business areas is Jan most experienced in?

Jan is most experienced in business areas like Information Technology (IT) , Quality Assurance (QA) , and Product Development . Jan also has some experience in Research and Development (R&D) and Strategy and Planning .

Q: Which industries has Jan worked in recently?

Jan has recently worked in industries like Retail , Energy , and Manufacturing .

Q: Which business areas has Jan worked in recently?

Jan has recently worked in business areas like Information Technology (IT) , Quality Assurance (QA) , and Research and Development (R&D) .

Recommended expert

Munich, Germany

Experience

Sep 2025 - Present

7 months

Technical Consultant

AI Beratung (KMU)

Evaluation of RAG for legal advisory (build or buy)
Evaluation and POC of RAG for an ERP time tracking module
Consulting on foundation model selection
Setup AI development environment (eliminating shadow AI)
AI strategy consulting
AI-assisted code creation and context engineering make change sets larger
Strong software engineering expertise, code reviews and safeguarding through pipelines and domain-specific automated test cases

Jul 2024 - Jul 2025

1 year 1 month

Essen, Germany

Quality Coach/Test Automation Engineer/DevOps/Release Manager

RWE AG

Consulting and coaching two development teams
Code and security reviews
Maintainable and sustainable test automation with Jest and Cypress at all test levels
DevOps: set up and maintain CI/CD pipelines
Release management

Jun 2023 - Jun 2024

1 year 1 month

Munich, Germany

Senior Tester/Agile Senior Tester/Senior Test Automation Engineer

ARRI

Created a new test framework based on pytest
Maintained the legacy test framework based on Robot and Java 17

Mar 2022 - Jul 2022

5 months

Quality Coach

Flink SA

Built a team and a pipeline
Implemented test automation with Node.js, TypeScript, Playwright, GraphQL, Jest and PostgreSQL

Jun 2020 - Feb 2022

1 year 9 months

Test Automation Engineer

MediaMarktSaturn

Developed a browser UI test framework and end-to-end tests
High-level integration tests and dashboard development
Developed mocks and evaluated performance tests
Set up and operated GitHub Actions

May 2019 - May 2020

1 year 1 month

Munich, Germany

Test Engineer/Agile Tester/Developer

Joyn GmbH

Development of a backend system for Contentflow and ContentPartner onboarding as well as license management

Industries Experience

See where this freelancer has spent most of their professional time. Longer bars indicate deeper hands-on experience, while shorter ones reflect targeted or project-based work.

Experienced in Media and Entertainment (2 years), Retail (1.5 years), Information Technology (1 year), Energy (1 year), Manufacturing (1 year), and Professional Services (0.5 years).

Media and Entertainment

Retail

Information Technology

Energy

Manufacturing

Professional Services

Business Areas Experience

The graph below provides a cumulative view of the freelancer's experience across multiple business areas, calculated from completed and active engagements. It highlights the areas where the freelancer has most frequently contributed to planning, execution, and delivery of business outcomes.

Experienced in Information Technology (5.5 years), Quality Assurance (5.5 years), Product Development (1 year), Research and Development (0.5 years), and Strategy (0.5 years).

Information Technology

Quality Assurance

Product Development

Research and Development

Strategy

Skills

Agile Development Methods
Test Automation
Ai Tooling
Typescript
Java
Javascript
Aws
Nodejs
Python
Gcp
Ai
Kiro
Claude
Chatgpt
Test Pyramid
Copilot
N8n
Azure
Azure Devops
Gitlab
C++
Clojure
Erlang
Haskell
Java
Javascript
Jython
Perl
Pl/sql
Prolog
Python
Ruby
Scala
Shell
Solidity
Linux
Unix
Windows
Macos
Couchdb
Mongodb
Ms Sql Server
Mysql
Oracle
Orm (Hibernate, Jpa)
Postgres
Sql
Aws
Kanban
Nodejs
Scrum
Google Cloud
Python
Bash
Several Years Of Experience As A Test Manager, Including Test Planning, Execution, Coordination, Analysis And Automation.
Design And Implementation Of Large, Maintainable Test Automation Frameworks
Team Leadership Experience
Performance Testing (Efficiency, Load, Stress Tests)
18 Years Of Scrum Project Experience (Scrum Master Since 2006)
2 Years Of Xp Project Experience
Github Copilot
Gemini Code Assist
Vertex Ai Studio
Vertex Ai Agent Builder
Google-adk/mcp
Gemini-cli
Chatgpt
Kiro
Bedrock/sagemaker
Claude
Codacy
Aws Q Developer
Langchain
Langgraph
Aws
Google Cloud
Azure
Gitlab Ci
Github
Hp Quality Center / Alm
Rational Testmanager
Qatraq
Tosca
Polarion
Jira
Ars Remedy
Mantis
Clearquest
Trac
Azure Devops
Rup
Scrum
Kanban
Xp
Safe
Less
Itil
Spice (Software Process Improvement And Capability Determination, Iso/iec 15504)
Iso 9001
Six Sigma
Telecommunications
Automotive
Retail
Logistics
Tourism
Public Administration
Insurance
Financial Services
Banking
Media
Vod
Energy Provider

Languages

German

Native

English

Advanced

Education

Oct 2008 - Jun 2014

FernUniversität in Hagen

Master of Science, Mathematics - Methods and Models · Hagen, Germany

Oct 2003 - Jun 2008

FernUniversität in Hagen

Master of Computer Science · Hagen, Germany

Oct 1996 - Jun 2000

Fachhochschule München

Diploma in Business Administration (FH), focus on Business Informatics · Business Administration · Munich, Germany

Certifications & licenses

ISTQB - Full Advanced

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)

Profile

Created

December 2025

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Frequently asked questions

Do you have questions? Here you can find further information.

Where is Jan based?

Jan is based in Munich, Germany.

What languages does Jan speak?

Jan speaks the following languages: German (Native), English (Advanced).

How many years of experience does Jan have?

Jan has at least 6 years of experience. During this time, Jan has worked in at least 6 different roles and for 6 different companies. The average length of individual experience is 1 year. Note that Jan may not have shared all experience and actually has more experience.

What roles would Jan be best suited for?

Based on recent experience, Jan would be well-suited for roles such as: Technical Consultant, Quality Coach/Test Automation Engineer/DevOps/Release Manager, Senior Tester/Agile Senior Tester/Senior Test Automation Engineer.

What is Jan's latest experience?

Jan's most recent position is Technical Consultant at AI Beratung (KMU).

What companies has Jan worked for in recent years?

In recent years, Jan has worked for AI Beratung (KMU), RWE AG, ARRI, Flink SA, and MediaMarktSaturn.

Which industries is Jan most experienced in?

Jan is most experienced in industries like Media, Entertainment and Publishing, Retail, and Energy. Jan also has some experience in Manufacturing, Information Technology (IT), and Professional Services.

Which business areas is Jan most experienced in?

Jan is most experienced in business areas like Information Technology (IT), Quality Assurance (QA), and Product Development. Jan also has some experience in Research and Development (R&D) and Strategy and Planning.

Which industries has Jan worked in recently?

Jan has recently worked in industries like Retail, Energy, and Manufacturing.

Which business areas has Jan worked in recently?

Jan has recently worked in business areas like Information Technology (IT), Quality Assurance (QA), and Research and Development (R&D).

What is Jan's education?

Jan holds a Master from FernUniversität in Hagen and a Master from FernUniversität in Hagen.

Does Jan have any certificates?

Jan has 22 certificates. Among them, these include: ISTQB - Full Advanced, ACE - Google Cloud Certified Associate Cloud Engineer, and AWS Certified AI Practitioner (AIF-C01).