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

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.

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Experience Level

Expert
Expert
Expert
Expert
Expert
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.

Education

B.Sc. in Computer Systems and Networks at University of Social Sciences - Branch Department in Warsaw
January 11, 2030 - June 1, 2015

Qualifications

AWS Certified Cloud Practitioner
April 1, 2023 - March 31, 2026
ISTQB Foundation Level
December 1, 2022 - December 12, 2025

Industry Experience

Software & Internet, Retail, Gaming, Professional Services, Media & Entertainment