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I am a SDET/QA Engineer with 7+ years of experience in automation and manual testing, skilled in Playwright, TestCafe, Selenium, and API testing. I design test frameworks, improve CI/CD pipelines, and ensure high-quality software delivery. I am seeking challenging opportunities in the EU to contribute to innovative projects and optimize QA processes.…

Maciej Kielb

Web Developer, Programmer, Full Stack Developer, +2

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I am a SDET/QA Engineer with 7+ years of experience in automation and manual testing, skilled in Playwright, TestCafe, Selenium, and API testing. I design test frameworks, improve CI/CD pipelines, and ensure high-quality software delivery. I am seeking challenging opportunities in the EU to contribute to innovative projects and optimize QA processes.…

Available to hire

I am a SDET/QA Engineer with 7+ years of experience in automation and manual testing, skilled in Playwright, TestCafe, Selenium, and API testing. I design test frameworks, improve CI/CD pipelines, and ensure high-quality software delivery.
I am seeking challenging opportunities in the EU to contribute to innovative projects and optimize QA processes.

Skills

Experience Level

Expert

Expert

Expert

Expert

Expert

Expert

Expert

Intermediate

Intermediate

Language

Polish

Fluent

English

Advanced

Work Experience

Software Developer in Test / QA Engineer at Dunelm

July 1, 2019 - May 1, 2024

Designed and built a Playwright test framework from scratch, achieving comprehensive coverage of critical features (Google Tag Manager integration) and high performance (75 tests running in under 4 minutes). Led the transition of the main smoke test suite to Playwright and automated Salesforce content blocks for testing. Coached QA team, integrated GitLab pipelines, performed shift-left QA, and executed functional, compatibility, and regression testing across browsers and devices. Tested backend APIs with Insomnia and maintained automated TestCafe suites, reducing CI/CD test flakiness through collaboration with developers and QAs.

QA Engineer Junior at Betway Group

June 1, 2018 - July 1, 2019

Developed and executed cross-browser automated test scripts using Selenium WebDriver for functional, compatibility, and regression scenarios. Participated in Agile/Scrum ceremonies, managed feature flags with LaunchDarkly, and validated builds in TeamCity before release.

QA Tester at DevZone

April 1, 2017 - May 1, 2018

Performed User Acceptance Testing (UAT) and contributed to functional and integration testing. Tracked defects in JIRA, participated in Agile ceremonies, and supported end-to-end functionality verification across components.