Lead Test Automation (Java, Python), SW Development, IT Trainings, E2E-Testing, BDD, Shift-Left, Playwright, Cypress, Selenium, Tosca, Ranorex
Aktualisiert am 12.03.2026
Profil
Freiberufler / Selbstständiger
Remote-Arbeit
Verfügbar ab: 12.03.2026
Verfügbar zu: 100%
davon vor Ort: 100%
Testautomatisierung
Python
Java 21
MariaDB
Angular
Behavior Driven Development
Scrum
Azure
DevOps
jQuery
Git
Ajax
REST
XML
JSON
Cucumber
Robot Framework
ISTQB Certified Tester
Google Cloud
Amazon AWS
Trainer
German
native language
English
fluent and proficient

Einsatzorte

Einsatzorte

Zürich (+50km) Berlin (+100km) Wien (+100km) Stuttgart (+100km) Frankfurt am Main (+50km) München (+50km) Leipzig (+75km) Düsseldorf (+100km) Hannover (+100km) Graz (+50km) Nürnberg (+100km) Köln (+100km) Hamburg (+100km) Bremen (+100km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

1 year 2 months
2025-02 - 2026-03

Trainings and Small IT Projects

QA Engineer, IT Trainer Java C# Python
QA Engineer, IT Trainer
  • held 2-day training sessions on E2E test automation using Java, Python, and C#
  • Deep dive into integrating automated tests into Jenkins pipelines
  • Integration of Shift-Left testing, specifically Behavior-Driven Development (BDD) with Cucumber
  • Backend development of REST APIs in Java for product marketing
  • Design of an action-adventure game using Unity and C#
Unity Playwright Selenium
Java C# Python
2 years 1 month
2023-02 - 2025-02

Organization and Delivery of Software Development and QA Training Sessions

QA Engineer, IT Trainer Python Java 21 Quality Assurance ...
QA Engineer, IT Trainer
  • Organized and led weekly training sessions, seminars, and bootcamps covering programming languages (Python, Java, JS/TS, C#), Agile software development, and test automation
  • Specialized in test automation technologies (Selenium, Playwright, JUnit, Postman), spanning E2E, integration, and unit level testing
  • Maintained an internal Jenkins pipeline for deployment testing of a dedicated training application
  • Developed a VBA script to automate the modular generation of training materials
  • Published technical articles online regarding advanced topics in test automation
Playwright Cypress Cucumber Ranorex Tosca Selenium Postman Insomnia TestNG Jenkins GitLab CI Microsoft VBA Docker Pact Bash MariaDB SoapUI JUnit Appium
Python Java 21 Quality Assurance Microservices REST Agile Coach Behavior Driven Development Agile Trainer Unittest Integrationstest Software-Testing Automatisierung End-To-End-Test Testautomatisierungstools
SimplyTest GmbH, self-employed since 01/01/26
Nürnberg
5 months
2022-10 - 2023-02

E2E Test Suite for an E-Commerce-System

Junior QA Engineer, Agile Coach BDD JS/TS Java/Kotlin ...
Junior QA Engineer, Agile Coach
  • Conducted a comprehensive requirements analysis for a Cypress-based regression suite
  • Optimized development workflows by implementing Shift-Left testing principles, significantly reducing feedback cycles
  • Developed a standardized selector strategy (locators) and provided coaching to internal team members on best practices
  • Facilitated Three Amigos sessions to align stakeholders, developers, and testers on product requirements
  • Contributed to the definition and refinement of User Stories within an Agile framework
  • Converted complex user stories into executable BDD (Behavior-Driven Development) scenarios
  • Automated BDD scenarios using Cypress to ensure high-quality software delivery
Cypress Selenium
BDD JS/TS Java/Kotlin Shift-Left Scrum E2E Locators
Nürnberg
2 years 7 months
2020-04 - 2022-10

Practice Management Software (PMS) for the Medical Sector

MEAN Frontend Developer and Test Automation Engineer JS/TS Front-End UI-Tests ...
MEAN Frontend Developer and Test Automation Engineer
  • Extended the PMS by developing targeted UI modules
  • Migrated a legacy Selenium-based regression suite to Playwright, implementing a Behavior-Driven Development (BDD) approach
  • Independently planned and implemented end-to-end (E2E) test cases using Playwright
  • Developed and executed comprehensive API integration tests using Postman
  • Collaborated on a new testing strategy focused on minimizing technical debt and improving long-term maintainability
  • Independently planned and delivered User Stories following BDD principles with Cucumber.js
  • Maintained and executed the automated regression suite to ensure system stability
  • Participated in daily stand-ups and agile ceremonies to streamline collaboration between developers and QA engineers
Mocha Playwright Angular Cucumber Selenium Selenium WebDriver Selenide
JS/TS Front-End UI-Tests End-To-End-Test Behavior Driven Development Java Testautomatisierung
Köln
1 year 2 months
2019-02 - 2020-03

SPUR - Modular Assistive System for Dementia Patients and Caregivers

Software Developer, Consultant Java C++
Software Developer, Consultant
  • Development of miniaturized wearables integrated directly into patients' clothing
  • Evaluation of commercial wireless technologies for indoor patient localization within nursing home environments
  • Development of an algorithm to calculate spatial coordinates from raw radio frequency (RF) data
  • Sensor-based movement profile tracking for patients with dementia


Note: The project title is a translation. The original was titled "SPUR - Modulares Assistenzsystem zur Unterstützung von Menschen mit Demenz-Erkrankungen und deren Pflegenden"

MATLAB Simulink
Java C++
Collaboration between Charité Berlin and BTU Cottbus-Senftenberg
Cottbus
6 years 10 months
2013-01 - 2019-10

Private Projects

Software Developer Agile Java Python ...
Software Developer
  • Constraint-based optimization of a crop plan for a 400m² (4,300 sq. ft.) field to maximize micro- and macronutrients based on targeted yields
  • Volunteer mentor at a youth IT workshop, volunteer mentor at a youth IT workshop, elected member of the student council
  • Built a Network Attached Storage (NAS) system for centralized data backup
  • Developed a custom input mapping tool to use gamepads as keyboard emulators
  • Developed an action-adventure game (currently awaiting sponsorship from FFF Bayern)
  • Contributor to 'Pentaquin,' a public video game project
Playwright Unity Amazon AWS Google Cloud
Agile Java Python C# JS/TS NAS Scrum Kanban Optimierung

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2022-10 - 2022-10

ISTQB© Certified Tester Foundation Level (CTFL)

Certified Tester, German Testing Board
Certified Tester
German Testing Board
3 years 1 month
2019-10 - 2022-10

Computer Science Studies

B.Sc. Computer Science, BTU Cottbus-Senftenberg
B.Sc. Computer Science
BTU Cottbus-Senftenberg

Specialisation in Mathematics

Final Thesis Grade: 1.2

Position

Position

Delivered 100+ technical training sessions (1,600+ instructional hours) covering 20+ foundational and advanced topics for government agencies and major corporations across the DACH region. Extensive experience in developing and maintaining enterprise-scale test suites with up to 10,000 test cases.


  • QA Engineer
  • (Test-)Automation Expert
  • Software Test Engineer
  • IT-Trainer
  • Software Developer (Backend/Frontend)

Kompetenzen

Kompetenzen

Top-Skills

Testautomatisierung Python Java 21 MariaDB Angular Behavior Driven Development Scrum Azure DevOps jQuery Git Ajax REST XML JSON Cucumber Robot Framework ISTQB Certified Tester Google Cloud Amazon AWS Trainer

Aufgabenbereiche

Summary
  • Design and creation of comprehensive training materials, and hands-on exercises
  • Provisioning and management of cloud-based training environments, specifically configuring VMs via Azure, AWS, and Google Cloud Platform (GCP)
  • Facilitating Q&A sessions, code reviews, exercise assessments, and personalized technical coaching
  • Test Automation (ISTQB Certified) and Agile Software Development
  • Workflow automation for training documentation, CI/CD pipelines (DevOps), and MS Office integration

Betriebssysteme

Linux
Windows
macOS

Programmiersprachen

Java/Kotlin
JS/TS
C#/.NET
Python
Scripting Languages
PowerShell, Bash, dash, ksh, oksh
Haskell
MiniZinc

Datenbanken

MariaDB
MongoDB
SQL

Qualitätssicherung

Playwright
Cypress
Cucumber
Tosca
Robot Framework
Selenium
Ranorex
Postman
SOAP UI
JUnit
TestNG
Webdriver.io
Insomnia
Jenkins
GitLab CI
Microsoft VBA
Selenide
Appium
Docker
Pact
SOAP
XML
JSON
Node.js
AngularJS
Maven
Gradle
Microsoft Azure
Git
TA-Cycle
Scrum
BDD
REST
CI/CD
Shift-Left
TDD

Branchen

Branchen

(Test) Automation, IT Training, Software Development, Quality Assurance

Einsatzorte

Einsatzorte

Zürich (+50km) Berlin (+100km) Wien (+100km) Stuttgart (+100km) Frankfurt am Main (+50km) München (+50km) Leipzig (+75km) Düsseldorf (+100km) Hannover (+100km) Graz (+50km) Nürnberg (+100km) Köln (+100km) Hamburg (+100km) Bremen (+100km)
Deutschland, Schweiz, Österreich
möglich

Projekte

Projekte

1 year 2 months
2025-02 - 2026-03

Trainings and Small IT Projects

QA Engineer, IT Trainer Java C# Python
QA Engineer, IT Trainer
  • held 2-day training sessions on E2E test automation using Java, Python, and C#
  • Deep dive into integrating automated tests into Jenkins pipelines
  • Integration of Shift-Left testing, specifically Behavior-Driven Development (BDD) with Cucumber
  • Backend development of REST APIs in Java for product marketing
  • Design of an action-adventure game using Unity and C#
Unity Playwright Selenium
Java C# Python
2 years 1 month
2023-02 - 2025-02

Organization and Delivery of Software Development and QA Training Sessions

QA Engineer, IT Trainer Python Java 21 Quality Assurance ...
QA Engineer, IT Trainer
  • Organized and led weekly training sessions, seminars, and bootcamps covering programming languages (Python, Java, JS/TS, C#), Agile software development, and test automation
  • Specialized in test automation technologies (Selenium, Playwright, JUnit, Postman), spanning E2E, integration, and unit level testing
  • Maintained an internal Jenkins pipeline for deployment testing of a dedicated training application
  • Developed a VBA script to automate the modular generation of training materials
  • Published technical articles online regarding advanced topics in test automation
Playwright Cypress Cucumber Ranorex Tosca Selenium Postman Insomnia TestNG Jenkins GitLab CI Microsoft VBA Docker Pact Bash MariaDB SoapUI JUnit Appium
Python Java 21 Quality Assurance Microservices REST Agile Coach Behavior Driven Development Agile Trainer Unittest Integrationstest Software-Testing Automatisierung End-To-End-Test Testautomatisierungstools
SimplyTest GmbH, self-employed since 01/01/26
Nürnberg
5 months
2022-10 - 2023-02

E2E Test Suite for an E-Commerce-System

Junior QA Engineer, Agile Coach BDD JS/TS Java/Kotlin ...
Junior QA Engineer, Agile Coach
  • Conducted a comprehensive requirements analysis for a Cypress-based regression suite
  • Optimized development workflows by implementing Shift-Left testing principles, significantly reducing feedback cycles
  • Developed a standardized selector strategy (locators) and provided coaching to internal team members on best practices
  • Facilitated Three Amigos sessions to align stakeholders, developers, and testers on product requirements
  • Contributed to the definition and refinement of User Stories within an Agile framework
  • Converted complex user stories into executable BDD (Behavior-Driven Development) scenarios
  • Automated BDD scenarios using Cypress to ensure high-quality software delivery
Cypress Selenium
BDD JS/TS Java/Kotlin Shift-Left Scrum E2E Locators
Nürnberg
2 years 7 months
2020-04 - 2022-10

Practice Management Software (PMS) for the Medical Sector

MEAN Frontend Developer and Test Automation Engineer JS/TS Front-End UI-Tests ...
MEAN Frontend Developer and Test Automation Engineer
  • Extended the PMS by developing targeted UI modules
  • Migrated a legacy Selenium-based regression suite to Playwright, implementing a Behavior-Driven Development (BDD) approach
  • Independently planned and implemented end-to-end (E2E) test cases using Playwright
  • Developed and executed comprehensive API integration tests using Postman
  • Collaborated on a new testing strategy focused on minimizing technical debt and improving long-term maintainability
  • Independently planned and delivered User Stories following BDD principles with Cucumber.js
  • Maintained and executed the automated regression suite to ensure system stability
  • Participated in daily stand-ups and agile ceremonies to streamline collaboration between developers and QA engineers
Mocha Playwright Angular Cucumber Selenium Selenium WebDriver Selenide
JS/TS Front-End UI-Tests End-To-End-Test Behavior Driven Development Java Testautomatisierung
Köln
1 year 2 months
2019-02 - 2020-03

SPUR - Modular Assistive System for Dementia Patients and Caregivers

Software Developer, Consultant Java C++
Software Developer, Consultant
  • Development of miniaturized wearables integrated directly into patients' clothing
  • Evaluation of commercial wireless technologies for indoor patient localization within nursing home environments
  • Development of an algorithm to calculate spatial coordinates from raw radio frequency (RF) data
  • Sensor-based movement profile tracking for patients with dementia


Note: The project title is a translation. The original was titled "SPUR - Modulares Assistenzsystem zur Unterstützung von Menschen mit Demenz-Erkrankungen und deren Pflegenden"

MATLAB Simulink
Java C++
Collaboration between Charité Berlin and BTU Cottbus-Senftenberg
Cottbus
6 years 10 months
2013-01 - 2019-10

Private Projects

Software Developer Agile Java Python ...
Software Developer
  • Constraint-based optimization of a crop plan for a 400m² (4,300 sq. ft.) field to maximize micro- and macronutrients based on targeted yields
  • Volunteer mentor at a youth IT workshop, volunteer mentor at a youth IT workshop, elected member of the student council
  • Built a Network Attached Storage (NAS) system for centralized data backup
  • Developed a custom input mapping tool to use gamepads as keyboard emulators
  • Developed an action-adventure game (currently awaiting sponsorship from FFF Bayern)
  • Contributor to 'Pentaquin,' a public video game project
Playwright Unity Amazon AWS Google Cloud
Agile Java Python C# JS/TS NAS Scrum Kanban Optimierung

Aus- und Weiterbildung

Aus- und Weiterbildung

1 month
2022-10 - 2022-10

ISTQB© Certified Tester Foundation Level (CTFL)

Certified Tester, German Testing Board
Certified Tester
German Testing Board
3 years 1 month
2019-10 - 2022-10

Computer Science Studies

B.Sc. Computer Science, BTU Cottbus-Senftenberg
B.Sc. Computer Science
BTU Cottbus-Senftenberg

Specialisation in Mathematics

Final Thesis Grade: 1.2

Position

Position

Delivered 100+ technical training sessions (1,600+ instructional hours) covering 20+ foundational and advanced topics for government agencies and major corporations across the DACH region. Extensive experience in developing and maintaining enterprise-scale test suites with up to 10,000 test cases.


  • QA Engineer
  • (Test-)Automation Expert
  • Software Test Engineer
  • IT-Trainer
  • Software Developer (Backend/Frontend)

Kompetenzen

Kompetenzen

Top-Skills

Testautomatisierung Python Java 21 MariaDB Angular Behavior Driven Development Scrum Azure DevOps jQuery Git Ajax REST XML JSON Cucumber Robot Framework ISTQB Certified Tester Google Cloud Amazon AWS Trainer

Aufgabenbereiche

Summary
  • Design and creation of comprehensive training materials, and hands-on exercises
  • Provisioning and management of cloud-based training environments, specifically configuring VMs via Azure, AWS, and Google Cloud Platform (GCP)
  • Facilitating Q&A sessions, code reviews, exercise assessments, and personalized technical coaching
  • Test Automation (ISTQB Certified) and Agile Software Development
  • Workflow automation for training documentation, CI/CD pipelines (DevOps), and MS Office integration

Betriebssysteme

Linux
Windows
macOS

Programmiersprachen

Java/Kotlin
JS/TS
C#/.NET
Python
Scripting Languages
PowerShell, Bash, dash, ksh, oksh
Haskell
MiniZinc

Datenbanken

MariaDB
MongoDB
SQL

Qualitätssicherung

Playwright
Cypress
Cucumber
Tosca
Robot Framework
Selenium
Ranorex
Postman
SOAP UI
JUnit
TestNG
Webdriver.io
Insomnia
Jenkins
GitLab CI
Microsoft VBA
Selenide
Appium
Docker
Pact
SOAP
XML
JSON
Node.js
AngularJS
Maven
Gradle
Microsoft Azure
Git
TA-Cycle
Scrum
BDD
REST
CI/CD
Shift-Left
TDD

Branchen

Branchen

(Test) Automation, IT Training, Software Development, Quality Assurance

Vertrauen Sie auf Randstad

Im Bereich Freelancing
Im Bereich Arbeitnehmerüberlassung / Personalvermittlung

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Rufen Sie uns an +49 89 500316-300 oder schreiben Sie uns:

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