Test Automation Expert, Test Manager, SDET, Entwickler (10 Jahre Erfahrung)
Aktualisiert am 15.12.2025
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 01.01.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Testautomatisierung
DevOps
Java
Selenium
Python
Docker
Kubernetes
Playwright
Cypress
AWS
Azure
Last- und Performancetest
JMeter
IT-Security
C#
n8n
Zapier
Robotic-Process-Automation
iOS
Android
English
fluent
German
fluent
Spanish
Grundkenntnisse
Bangla
Muttersprache

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 4 months
2023-08 - now

Leading QA and Test Manager Automobile Industry/Load and Performance Tester

Lead Quality Assurance Playwright TypeScript Machine Learning ...
Lead Quality Assurance

Tasks:

  • Led and coached the QA team, ensuring continuous skill development and process improvement.
  • Defined and implemented the overall quality strategy for both website and mobile app in collaboration with the CTO.
  • Designed and executed manual and automated tests, ensuring full test coverage prior to each release.
  • Maintained test documentation, coverage reports, and stakeholder QA reports.
  • Drove cross-team alignment to uphold company-wide quality standards.

Editor:

  • Developed a custom autonomous testing framework using Machine Learning and PyTorch.
  • Built a Playwright AI agent for smart automation.
  • Migrated the entire project infrastructure to GitHub and AWS.
  • Integrated test coverage analytics with Datadog for real-time monitoring.

Leasingmarkt website and app
Playwright TypeScript Machine Learning PyTorch AWS GitHub Python Datadog CI/CD Agile QA Leadership C# n8n Zapier Robotic-Process-Automation
leasingmarkt GmbH
7 months
2024-06 - 2024-12

Senior Test Automatisierer Health App

Senior Test Automatisierer / Test Engineer TypeScript Maestro Python
Senior Test Automatisierer / Test Engineer
Main Responsibilities

  • API and UI test automation for the ARAG Health App
  • Design, development, and maintenance of a modular automation framework (Gulp-based)
  • Implementation of end-to-end, integration, and regression tests
  • Test case design and specification using BDD (Cucumber/Gherkin)
  • Test execution, root cause analysis, and structured defect management
  • Performance and load testing for API and mobile services
  • Quality assurance throughout the entire CI/CD pipeline

Project Activities

  • Development of a test automation framework using Playwright and TypeScript
  • Mobile app test automation (Android & iOS), including API backend validation
  • Implementation of parallel multi-thread runs and modular pipelines (GitLab CI)
  • Integration of test reports into Allure and ReportPortal
  • Middleware testing for health data synchronization (FHIR/HL7 interfaces)
  • Security checks and test case validation according to health data compliance (GDPR, ePA standards)
  • Automated smoke and regression suites for weekly releases
  • Collaboration with business units, backend teams, and security teams to validate medical data flows
  • Support in quality assurance of data protection flows (token refresh, OAuth2, patient data access)
TypeScript Maestro Python
ARAG Krankenkasse
1 year 4 months
2022-05 - 2023-08

Senior Test Automation Engineer Automobile Industry

Senior Test Automation Engineer Selenium Docker Kubernetes ...
Senior Test Automation Engineer

Tasks:

  • Designed and implemented a Docker-based Selenium automation framework.
  • Migrated from Katalon Studio to a fully open-source test automation stack.
  • Built a robust parallel multi-threading automation framework based on POM, SRP, SDP, FDP, and EADP patterns.
  • Developed custom reporting integrations for Allure, Cucumber, and Report Portal.
  • Set up GitLab CI pipelines, Selenium Hub in Kubernetes, and AWS-based Report Portal deployments.
  • Conducted API automation using Karate (Gherkin syntax) and integrated Locust for performance testing.
  • Introduced Robotic Process Automation (RPA) concepts using UI Vision.
  • Mentored junior automation engineers and promoted clean code principles.


Editor:

  • Introduced Visual Testing and RPA as new focus areas within the QA team.
  • Enhanced automation stability and maintainability through architectural best practices.

leasingmarkt.de platform Leasingmarkt App
Selenium Docker Kubernetes GitLab CI/CD Karate API Locust AWS Allure Report Portal RPA Clean Code Architecture
leasingmarkt GmbH
1 year 2 months
2021-03 - 2022-04

Senior Test Automation Engineer / Consultant Cyber Security

Senior Test Automation Engineer / Consultant Azure DevOps Katalon Allure ...
Senior Test Automation Engineer / Consultant

Tasks:

  • Conducted cyber risk analysis testing and coordinated QA across multiple teams.
  • Designed and executed test plans; ensured adherence to project-wide quality standards.
  • Built Azure DevOps pipelines with Katalon Engine.
  • Automated data flow validation and Brain API testing.
  • Integrated Allure reports and managed build & release pipelines.
  • Collaborated with Munich Re on test strategy and execution.

Azure DevOps Katalon Allure API Testing CI/CD Test Management Scrum
DB Schenker / Munich Re
10 months
2020-05 - 2021-02

Senior Test Automation Engineer API and Network Monitoring Tester

Senior Test Automation Engineer Selenium Parasoft Docker ...
Senior Test Automation Engineer

Tasks:

  • Automated network monitoring and REST API testing.
  • Integrated Docker-based automation into Jenkins pipelines.
  • Tested GUI and REST endpoints with Selenium and Parasoft.
  • Conducted performance and system monitoring using Icinga2 and InfluxDB.

Selenium Parasoft Docker Jenkins API Testing Network Monitoring
Deutsche Glasfaser
1 year 11 months
2018-06 - 2020-04

Senior Test Automation Engineer Emobility Web and App/Load and Performance Tester

Senior Test Automation Engineer Selenium Selenide Cypress ...
Senior Test Automation Engineer

Tasks:

  • Coordinated QA, test design, automation, and defect management for eMobility products.
  • Built a hybrid Selenium framework integrated with Jenkins, Maven, and Appium.
  • Implemented REST Assured API testing and Cucumber BDD for end-to-end testing.
  • Used Cypress for fast sprint-based test execution and Protractor for E2E testing.
  • Integrated Pact for contract testing in microservice environments.
  • Managed CI/CD pipelines via GitLab.

Selenium Selenide Cypress Protractor Appium REST Assured Cucumber Pact GitLab CI/CD
Innogy eMobility Solutions GmbH
8 months
2017-10 - 2018-05

Frontend Developer & UI Tester

Frontend Developer & UI Tester C# X++ Dynamics 365 ...
Frontend Developer & UI Tester
Tasks:
  • Worked on Dynamics 365 implementation using C# and X++.
  • Performed system, integration, and acceptance testing.
  • Created regression and UI automation tests using Ranorex and ZAP Test.
C# X++ Dynamics 365 Ranorex ZAP Test Regression Testing
Implexis GmbH
6 months
2016-02 - 2016-07

Test Engineer

Test Engineer MATLAB Hardware Testing Manual Testing ...
Test Engineer
Tasks:

  • Conducted manual testing and quality validation for XAM 5000 medical and gas measurement devices.
  • Designed test cases and performed in-circuit and simulation testing in MATLAB.
  • Ensured compliance with engineering and safety standards.
MATLAB Hardware Testing Manual Testing In-Circuit Simulation
Dräger GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

2017:

Laser Engineering (Electrical Engineering)
M.Sc. Laser Engineering (Electrical Engineering), Grade: 1.3
Ruhr University Bochum


CERTIFICATIONS:

  • ISTQB Foundation Level
  • ISTQB Agile Tester
  • ISTQB Test Automation Engineer
  • ISTQB Test Manager

Position

Position

  • Senior Consultant ? Test Automation

Kompetenzen

Kompetenzen

Top-Skills

Testautomatisierung DevOps Java Selenium Python Docker Kubernetes Playwright Cypress AWS Azure Last- und Performancetest JMeter IT-Security C# n8n Zapier Robotic-Process-Automation iOS Android

Aufgabenbereiche

Playwright
Experte
Cypress
Experte
Test Automation
Experte
Programming
Experte
AI Agent
Experte

Produkte / Standards / Erfahrungen / Methoden

Test Automation
Experte
AI Agent
Experte
Playwright
Experte
PROFILE

Lead Quality Assurance and Test Automation Engineer with over 8 years of experience in designing and implementing automated testing solutions across web, API, and microservice architectures.
Proven expertise in building Playwright-, Selenium-, and Cypress-based automation frameworks, integrating them into CI/CD pipelines using GitLab, Jenkins, and Azure DevOps.
Strong background in test strategy design, quality governance, and performance validation in agile and DevOps environments.
Experienced in cloud infrastructure (AWS, Kubernetes) and advanced AI-driven test automation, including developing ML-powered autonomous testing frameworks using PyTorch.
Certified ISTQB Test Manager and Test Automation Engineer, with hands-on leadership experience in QA teams and a focus on continuous improvement, maintainability, and product excellence.

KEY SKILLS

Test Automation & Frameworks:
Playwright, Selenium, Cypress, Cucumber (BDD), Karate API, Locust, Appium, Katalon, Parasoft

Performance & Load Testing:
Locust, LoadRunner, API Performance Testing, Microservice Contract Testing (Pact)

CI/CD & DevOps:
GitLab CI/CD, Jenkins, Azure DevOps, Docker, Kubernetes, AWS, GitHub Actions

Programming & Scripting:
Java, JavaScript, TypeScript, Python, Groovy, PyTorch, MATLAB

Monitoring & Reporting:
Datadog, Allure, Report Portal, Test Coverage Analytics, Dashboard Integration

Agile QA & Leadership:
Agile Testing (Scrum, BDD, TDD), QA Strategy Definition, Test Planning & Reporting, Cross-team Collaboration

Certifications:

ISTQB Foundation | ISTQB Agile Tester | ISTQB Test Automation Engineer | ISTQB Test Manager


AI & Scripting: 

PyTorch, MATLAB, Haskell, Wolfram Language, XML, CUDA

Programmiersprachen

Java
Experte
Python
Fortgeschritten
Javascript
Fortgeschritten
Typescript
Fortgeschritten
Groovy
Basics

Einsatzorte

Einsatzorte

Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

2 years 4 months
2023-08 - now

Leading QA and Test Manager Automobile Industry/Load and Performance Tester

Lead Quality Assurance Playwright TypeScript Machine Learning ...
Lead Quality Assurance

Tasks:

  • Led and coached the QA team, ensuring continuous skill development and process improvement.
  • Defined and implemented the overall quality strategy for both website and mobile app in collaboration with the CTO.
  • Designed and executed manual and automated tests, ensuring full test coverage prior to each release.
  • Maintained test documentation, coverage reports, and stakeholder QA reports.
  • Drove cross-team alignment to uphold company-wide quality standards.

Editor:

  • Developed a custom autonomous testing framework using Machine Learning and PyTorch.
  • Built a Playwright AI agent for smart automation.
  • Migrated the entire project infrastructure to GitHub and AWS.
  • Integrated test coverage analytics with Datadog for real-time monitoring.

Leasingmarkt website and app
Playwright TypeScript Machine Learning PyTorch AWS GitHub Python Datadog CI/CD Agile QA Leadership C# n8n Zapier Robotic-Process-Automation
leasingmarkt GmbH
7 months
2024-06 - 2024-12

Senior Test Automatisierer Health App

Senior Test Automatisierer / Test Engineer TypeScript Maestro Python
Senior Test Automatisierer / Test Engineer
Main Responsibilities

  • API and UI test automation for the ARAG Health App
  • Design, development, and maintenance of a modular automation framework (Gulp-based)
  • Implementation of end-to-end, integration, and regression tests
  • Test case design and specification using BDD (Cucumber/Gherkin)
  • Test execution, root cause analysis, and structured defect management
  • Performance and load testing for API and mobile services
  • Quality assurance throughout the entire CI/CD pipeline

Project Activities

  • Development of a test automation framework using Playwright and TypeScript
  • Mobile app test automation (Android & iOS), including API backend validation
  • Implementation of parallel multi-thread runs and modular pipelines (GitLab CI)
  • Integration of test reports into Allure and ReportPortal
  • Middleware testing for health data synchronization (FHIR/HL7 interfaces)
  • Security checks and test case validation according to health data compliance (GDPR, ePA standards)
  • Automated smoke and regression suites for weekly releases
  • Collaboration with business units, backend teams, and security teams to validate medical data flows
  • Support in quality assurance of data protection flows (token refresh, OAuth2, patient data access)
TypeScript Maestro Python
ARAG Krankenkasse
1 year 4 months
2022-05 - 2023-08

Senior Test Automation Engineer Automobile Industry

Senior Test Automation Engineer Selenium Docker Kubernetes ...
Senior Test Automation Engineer

Tasks:

  • Designed and implemented a Docker-based Selenium automation framework.
  • Migrated from Katalon Studio to a fully open-source test automation stack.
  • Built a robust parallel multi-threading automation framework based on POM, SRP, SDP, FDP, and EADP patterns.
  • Developed custom reporting integrations for Allure, Cucumber, and Report Portal.
  • Set up GitLab CI pipelines, Selenium Hub in Kubernetes, and AWS-based Report Portal deployments.
  • Conducted API automation using Karate (Gherkin syntax) and integrated Locust for performance testing.
  • Introduced Robotic Process Automation (RPA) concepts using UI Vision.
  • Mentored junior automation engineers and promoted clean code principles.


Editor:

  • Introduced Visual Testing and RPA as new focus areas within the QA team.
  • Enhanced automation stability and maintainability through architectural best practices.

leasingmarkt.de platform Leasingmarkt App
Selenium Docker Kubernetes GitLab CI/CD Karate API Locust AWS Allure Report Portal RPA Clean Code Architecture
leasingmarkt GmbH
1 year 2 months
2021-03 - 2022-04

Senior Test Automation Engineer / Consultant Cyber Security

Senior Test Automation Engineer / Consultant Azure DevOps Katalon Allure ...
Senior Test Automation Engineer / Consultant

Tasks:

  • Conducted cyber risk analysis testing and coordinated QA across multiple teams.
  • Designed and executed test plans; ensured adherence to project-wide quality standards.
  • Built Azure DevOps pipelines with Katalon Engine.
  • Automated data flow validation and Brain API testing.
  • Integrated Allure reports and managed build & release pipelines.
  • Collaborated with Munich Re on test strategy and execution.

Azure DevOps Katalon Allure API Testing CI/CD Test Management Scrum
DB Schenker / Munich Re
10 months
2020-05 - 2021-02

Senior Test Automation Engineer API and Network Monitoring Tester

Senior Test Automation Engineer Selenium Parasoft Docker ...
Senior Test Automation Engineer

Tasks:

  • Automated network monitoring and REST API testing.
  • Integrated Docker-based automation into Jenkins pipelines.
  • Tested GUI and REST endpoints with Selenium and Parasoft.
  • Conducted performance and system monitoring using Icinga2 and InfluxDB.

Selenium Parasoft Docker Jenkins API Testing Network Monitoring
Deutsche Glasfaser
1 year 11 months
2018-06 - 2020-04

Senior Test Automation Engineer Emobility Web and App/Load and Performance Tester

Senior Test Automation Engineer Selenium Selenide Cypress ...
Senior Test Automation Engineer

Tasks:

  • Coordinated QA, test design, automation, and defect management for eMobility products.
  • Built a hybrid Selenium framework integrated with Jenkins, Maven, and Appium.
  • Implemented REST Assured API testing and Cucumber BDD for end-to-end testing.
  • Used Cypress for fast sprint-based test execution and Protractor for E2E testing.
  • Integrated Pact for contract testing in microservice environments.
  • Managed CI/CD pipelines via GitLab.

Selenium Selenide Cypress Protractor Appium REST Assured Cucumber Pact GitLab CI/CD
Innogy eMobility Solutions GmbH
8 months
2017-10 - 2018-05

Frontend Developer & UI Tester

Frontend Developer & UI Tester C# X++ Dynamics 365 ...
Frontend Developer & UI Tester
Tasks:
  • Worked on Dynamics 365 implementation using C# and X++.
  • Performed system, integration, and acceptance testing.
  • Created regression and UI automation tests using Ranorex and ZAP Test.
C# X++ Dynamics 365 Ranorex ZAP Test Regression Testing
Implexis GmbH
6 months
2016-02 - 2016-07

Test Engineer

Test Engineer MATLAB Hardware Testing Manual Testing ...
Test Engineer
Tasks:

  • Conducted manual testing and quality validation for XAM 5000 medical and gas measurement devices.
  • Designed test cases and performed in-circuit and simulation testing in MATLAB.
  • Ensured compliance with engineering and safety standards.
MATLAB Hardware Testing Manual Testing In-Circuit Simulation
Dräger GmbH

Aus- und Weiterbildung

Aus- und Weiterbildung

2017:

Laser Engineering (Electrical Engineering)
M.Sc. Laser Engineering (Electrical Engineering), Grade: 1.3
Ruhr University Bochum


CERTIFICATIONS:

  • ISTQB Foundation Level
  • ISTQB Agile Tester
  • ISTQB Test Automation Engineer
  • ISTQB Test Manager

Position

Position

  • Senior Consultant ? Test Automation

Kompetenzen

Kompetenzen

Top-Skills

Testautomatisierung DevOps Java Selenium Python Docker Kubernetes Playwright Cypress AWS Azure Last- und Performancetest JMeter IT-Security C# n8n Zapier Robotic-Process-Automation iOS Android

Aufgabenbereiche

Playwright
Experte
Cypress
Experte
Test Automation
Experte
Programming
Experte
AI Agent
Experte

Produkte / Standards / Erfahrungen / Methoden

Test Automation
Experte
AI Agent
Experte
Playwright
Experte
PROFILE

Lead Quality Assurance and Test Automation Engineer with over 8 years of experience in designing and implementing automated testing solutions across web, API, and microservice architectures.
Proven expertise in building Playwright-, Selenium-, and Cypress-based automation frameworks, integrating them into CI/CD pipelines using GitLab, Jenkins, and Azure DevOps.
Strong background in test strategy design, quality governance, and performance validation in agile and DevOps environments.
Experienced in cloud infrastructure (AWS, Kubernetes) and advanced AI-driven test automation, including developing ML-powered autonomous testing frameworks using PyTorch.
Certified ISTQB Test Manager and Test Automation Engineer, with hands-on leadership experience in QA teams and a focus on continuous improvement, maintainability, and product excellence.

KEY SKILLS

Test Automation & Frameworks:
Playwright, Selenium, Cypress, Cucumber (BDD), Karate API, Locust, Appium, Katalon, Parasoft

Performance & Load Testing:
Locust, LoadRunner, API Performance Testing, Microservice Contract Testing (Pact)

CI/CD & DevOps:
GitLab CI/CD, Jenkins, Azure DevOps, Docker, Kubernetes, AWS, GitHub Actions

Programming & Scripting:
Java, JavaScript, TypeScript, Python, Groovy, PyTorch, MATLAB

Monitoring & Reporting:
Datadog, Allure, Report Portal, Test Coverage Analytics, Dashboard Integration

Agile QA & Leadership:
Agile Testing (Scrum, BDD, TDD), QA Strategy Definition, Test Planning & Reporting, Cross-team Collaboration

Certifications:

ISTQB Foundation | ISTQB Agile Tester | ISTQB Test Automation Engineer | ISTQB Test Manager


AI & Scripting: 

PyTorch, MATLAB, Haskell, Wolfram Language, XML, CUDA

Programmiersprachen

Java
Experte
Python
Fortgeschritten
Javascript
Fortgeschritten
Typescript
Fortgeschritten
Groovy
Basics

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