Portfolio

Projects & Case Studies

A track record of QA engineering, automation, team leadership, and performance testing across fintech, e-commerce, HR tech, and more.

19+Years of experience

14Companies & projects

9Freelance engagements

Filter:

REWE International

QA Senior Tester

Dec 2024 – present

FreelancerRemote

→Refactoring and extension of existing automation project (JUnit, REST Assured)
→Testing new features and API applications — manual and automated
→Creating test cases in XRay based on requirements
→Maintaining the automation test pipeline in GitLab
→Preparing and executing load tests with K6

JUnitREST AssuredK6GitLab CIXRayJIRA

About You / Scayle Payments

QA Lead

Dec 2024 – Feb 2025

FreelancerRemote

→Prepared application for public launch — full test concept design and execution
→Built end-to-end automation tests for payment service provider integrations on GitLab
→Recruited QA engineers, provided development feedback and coaching
→Coordinated across multiple teams for a successful application launch

Payment IntegrationGitLab CIE2E TestingTeam BuildingTest Concept

Vanguard

QA Tester

Jul 2021 – Jan 2024

FreelancerRemote

→Test plans and test cases design and execution with XRay
→Test automation with Cypress and Cucumber (XRay JIRA plugin)
→Mobile automation with WebdriverIO for iOS and Android
→API end-to-end tests with status synced to XRay
→Automation execution on GitLab runners

CypressCucumberWebdriverIOiOSAndroidXRayGitLab

GVL

QA Tester

Feb 2020 – Jun 2023

FreelancerRemote

→Test automation with Java, Cucumber and XRay (JIRA plugin)
→Manual test execution against RabbitMQ and Spring Boot API applications
→Test plan execution and test case building with XRay

JavaCucumberRabbitMQSpring BootXRay

CoachHub

Tests Manager

Oct 2019 – Feb 2020

FreelancerBerlin

→Test automation with NightWatch.js and Cucumber.js
→Built test automation framework from scratch
→QA team building: recruiting engineers and defining test processes

NightWatch.jsCucumber.jsTeam BuildingTest Framework

Cornelsen

Tests Automation Engineer

Aug 2019 – Sep 2019

FreelancerBerlin

→Built automation framework with Protractor.js, Mocha and Chai
→Set up and maintained Jenkins CI service with job definitions

Protractor.jsMochaChaiJenkins

IngranoSolutions

Software Developer in Tests

Jun 2019 – Jul 2019

FreelancerBerlin

→Writing test scripts with Java and Cucumber
→Building test environments with Docker

JavaCucumberDocker

autoTicket GmbH (Kapsch)

Integration Tester

Feb 2019 – Jun 2019

FreelancerBerlin

→Built integration test automation with SoapUI, Groovy and Cucumber
→Built service mocks from WSDL definitions
→Defined test cases in XRay against SOAP and REST interfaces
→Coached team and developers on build tools and frameworks

SoapUIGroovyCucumberSOAPRESTWSDLXRay

Seven Senders

QA Manager

Nov 2017 – Oct 2018

FreelancerBerlin

→Built QA team by hiring two engineers and establishing QA processes
→Performance testing with Gatling
→Built a JIRA plugin in Node.js using the public JIRA API to copy epics with subtasks

GatlingNode.jsJIRA APIPerformance TestingTeam Building

Glispa

QA Chapter Lead

Dec 2016 – Nov 2017

Full-timeBerlin

→Line manager for QA engineers across scrum teams and QA Chapter facilitator
→Prepared applications (UI and backend) for Docker-based test environments
→CI/CD pipeline work with GitLab CI and DC/OS
→Reduced API test suite runtime from 1 hour to 5 minutes (Codeception)
→Improved Protractor UI test reporting and logging

CodeceptionProtractorGitLab CIDockerDC/OS

Home24

Lead Engineer → Senior QE → QE

Dec 2013 – Nov 2016

Full-timeBerlin

→Led 4-person automation team (including remote) for full regression suite with Codeception
→Selenium WebDriver automation adapted to BrowserStack grid for cross-browser coverage
→Performance testing with JMeter
→Recruited automation testers and defined framework architecture
→Mentored interns and conducted automation training for other QA teams

CodeceptionSelenium WebDriverBrowserStackJMeterTestNGPHP

Lumesse

Quality Center Specialist

May 2012 – Nov 2013

Full-timeCracow

→Led cross-product testing best practices with UK and India teams
→Selenium WebDriver automation (JUnit/TestNG) on Jenkins and Selenium Grid
→Manual testing of TalentLink and Learning Gateway HR products
→SoapUI API testing and JIRA bug tracking

Selenium WebDriverJUnitTestNGJenkinsSoapUIJIRA

Sabre Poland

Software Quality Engineer

Nov 2009 – Apr 2012

Full-timeCracow

→Manual testing of web and desktop travel-industry applications
→Test automation scripts for web and desktop apps with TestComplete
→Regression execution, results verification and defect reporting in TestTrack

TestCompleteTestTrackManual Testing

Comarch S.A.

Software Quality Engineer

Oct 2007 – Oct 2009

Full-timeCracow

→Test administration for enterprise web applications
→Created user documentation, test scenarios and test cases
→Conducted client trainings and administered test environments
→Administered CA ARCServer backup and archiving software

Manual TestingTest DocumentationLinuxCA ARCServer

Let's Talk

Ready for Your QA Success Story?

Let's discuss how we can apply this experience to your project.

Start Your Project