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I am a Senior Test Automation Engineer with over 9 years of experience in software testing - primarily in automation, but also with hands-on manual testing across mobile, web, API, and backend systems. I specialize in designing and maintaining scalable test automation frameworks, with practical expertise in tools and technologies such as Java, Selenium, Playwright, REST-assured, Appium (for both Android and iOS), TestNG, JUnit, Maven, Jenkins, GIT, and BrowserStack, SQL. Throughout my career, I’ve worked in international, cross-functional teams on projects across industries such as finance, banking, ICT, logistics, and lighting fixture design. I have a solid understanding of software testing principles, supported by ISTQB Foundation Level certification, and a strong focus on analytical thinking, troubleshooting, and continuous process improvement. My professional experience includes test automation for APIs, Android, iOS, and web applications - covering everything from unit to end-to-end testing. I’ve been conducting technical interviews, mentoring test engineers, and contributing to building automated test pipelines, introducing best practices, and improving testing infrastructure. I’m open to business travel opportunities and always eager to grow through new challenges and emerging technologies.…I am a Senior Test Automation Engineer with over 9 years of experience in software testing - primarily in automation, but also with hands-on manual testing across mobile, web, API, and backend systems. I specialize in designing and maintaining scalable test automation frameworks, with practical expertise in tools and technologies such as Java, Selenium, Playwright, REST-assured, Appium (for both Android and iOS), TestNG, JUnit, Maven, Jenkins, GIT, and BrowserStack, SQL. Throughout my career, I’ve worked in international, cross-functional teams on projects across industries such as finance, banking, ICT, logistics, and lighting fixture design. I have a solid understanding of software testing principles, supported by ISTQB Foundation Level certification, and a strong focus on analytical thinking, troubleshooting, and continuous process improvement. My professional experience includes test automation for APIs, Android, iOS, and web applications - covering everything from unit to end-to-end testing. I’ve been conducting technical interviews, mentoring test engineers, and contributing to building automated test pipelines, introducing best practices, and improving testing infrastructure. I’m open to business travel opportunities and always eager to grow through new challenges and emerging technologies.

Marcin Szczerbowski

QA Engineer, Full Stack Developer, Back-End Developer, +2

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I am a Senior Test Automation Engineer with over 9 years of experience in software testing - primarily in automation, but also with hands-on manual testing across mobile, web, API, and backend systems. I specialize in designing and maintaining scalable test automation frameworks, with practical expertise in tools and technologies such as Java, Selenium, Playwright, REST-assured, Appium (for both Android and iOS), TestNG, JUnit, Maven, Jenkins, GIT, and BrowserStack, SQL. Throughout my career, I’ve worked in international, cross-functional teams on projects across industries such as finance, banking, ICT, logistics, and lighting fixture design. I have a solid understanding of software testing principles, supported by ISTQB Foundation Level certification, and a strong focus on analytical thinking, troubleshooting, and continuous process improvement. My professional experience includes test automation for APIs, Android, iOS, and web applications - covering everything from unit to end-to-end testing. I’ve been conducting technical interviews, mentoring test engineers, and contributing to building automated test pipelines, introducing best practices, and improving testing infrastructure. I’m open to business travel opportunities and always eager to grow through new challenges and emerging technologies.…I am a Senior Test Automation Engineer with over 9 years of experience in software testing - primarily in automation, but also with hands-on manual testing across mobile, web, API, and backend systems. I specialize in designing and maintaining scalable test automation frameworks, with practical expertise in tools and technologies such as Java, Selenium, Playwright, REST-assured, Appium (for both Android and iOS), TestNG, JUnit, Maven, Jenkins, GIT, and BrowserStack, SQL. Throughout my career, I’ve worked in international, cross-functional teams on projects across industries such as finance, banking, ICT, logistics, and lighting fixture design. I have a solid understanding of software testing principles, supported by ISTQB Foundation Level certification, and a strong focus on analytical thinking, troubleshooting, and continuous process improvement. My professional experience includes test automation for APIs, Android, iOS, and web applications - covering everything from unit to end-to-end testing. I’ve been conducting technical interviews, mentoring test engineers, and contributing to building automated test pipelines, introducing best practices, and improving testing infrastructure. I’m open to business travel opportunities and always eager to grow through new challenges and emerging technologies.

Available to hire

I am a Senior Test Automation Engineer with over 9 years of experience in software testing - primarily in automation, but also with hands-on manual testing across mobile, web, API, and backend systems. I specialize in designing and maintaining scalable test automation frameworks, with practical expertise in tools and technologies such as Java, Selenium, Playwright, REST-assured, Appium (for both Android and iOS), TestNG, JUnit, Maven, Jenkins, GIT, and BrowserStack, SQL.
Throughout my career, I’ve worked in international, cross-functional teams on projects across industries such as finance, banking, ICT, logistics, and lighting fixture design. I have a solid understanding of software testing principles, supported by ISTQB Foundation Level certification, and a strong focus on analytical thinking, troubleshooting, and continuous process improvement.
My professional experience includes test automation for APIs, Android, iOS, and web applications - covering everything from unit to end-to-end testing. I’ve been conducting technical interviews, mentoring test engineers, and contributing to building automated test pipelines, introducing best practices, and improving testing infrastructure.
I’m open to business travel opportunities and always eager to grow through new challenges and emerging technologies.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Language

English

Advanced

Work Experience

Senior Test Automation Engineer at ICEO

November 1, 2025 - Present

Test automation for backend services; analyse automated test results; report bugs and verify fixes; evolve and maintain automation tools/environments; conduct full regression testing across web, mobile, and backend systems using automated and manual testing approaches.

Senior Test Automation Engineer at Xtb

August 1, 2022 - September 1, 2025

Test automation for mobile application (Android and iOS) and web; analyze automation test results; report bugs and verify fixes; contribute to automation process improvements; mentor and train automation engineers; maintain automation tools/environments; support technical recruitment.

Test Automation Engineer at Astek Polska, Lufthansa Systems Poland

March 1, 2020 - July 1, 2022

Created automated regression process to meet customer needs; developed automated test cases; analyzed automated test results; reported bugs and verified fixes; evolved and maintained automation tools and environments; mentored automation engineers.

Test Automation Engineer at J-labs, HSBC

January 1, 2019 - February 1, 2020

Developed test project for E2E business flow tests (including UI and API calls); developed test projects and mock projects for API tests of backend microservices; coordinated with developers, testers, BAs and vendors in project workflows; supported testing activities maintained by external vendors.

Software Tester/Developer at Ericsson

April 1, 2016 - December 1, 2018

Prepared test scenarios and test cases for functional, regression, and integration tests; contributed to test process improvements and test environment; provided team support and manual testing in Sweden; designed and implemented automated test cases in Java and Python; wrote technical documentation; reported bugs and supported developers to fix them; executed automated and manual tests; conducted trainings on test environment and tools for new employees.

Constructor/Engineer at ES-SYSTEMS S.A.

July 1, 2013 - March 1, 2016

Coordination of the R&D project group; conducted training in thermal simulation and optics design tools; implemented new constructions; oversaw technical documentation, prototypes, installation instructions; research prototypes; creation of installation instructions; analysis and selection of software dedicated to the design of new products.