Recommended expert

Jan Wahler

Technical Consultant

Jan Wahler
Munich, Germany

Experience

Sep 2025 - Present
5 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

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)

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