Marcin Koperski
Quality Assurance Technical Lead at NN
Warsaw, Masovian Voivodeship, Poland
Summary
👤
Senior🎓
Top SchoolMarcin Koperski is a Quality Assurance Technical Lead with 11 years of hands-on experience shaping test strategies, automation, and team performance across telecom, finance, and insurance domains. He combines ISTQB Advanced-level test management credentials with deep practical skills in Robot Framework, Selenium, JMeter, and CI/CD migrations to cloud, having led successful automation and microservices-quality deliveries. As a frequent trainer and keynote speaker, he mentors QA teams and acts as a single point of contact between clients and projects, driving adoption of automation and RPA at scale. His contributions to the widely used robotframework/SeleniumLibrary show a pragmatic focus on robust test cases and resilience of core web-testing tools. Known for staying calm under pressure, he pairs strong conceptual design with a history of reducing defect rates on large projects. Based in Warsaw, he blends systems thinking from an MSc in Software Engineering and AI with practical expertise in billing, IMS/SS7 telephony, and open-source testing ecosystems.
11 years of coding experience
13 years of employment as a software developer
MSc, Computer Science – Software engineering and artificial intelligence, MSc, Computer Science – Software engineering and artificial intelligence at Politechnika Łódzka
English, Polish
Github Skills (5)
robotframework10
selenium-ide10
selenium10
python10
test-automation10
Programming languages (9)
Github contributions (5)
robotframework/SeleniumLibrary
Jun 2018 - Feb 2020
Web testing library for Robot Framework
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:5 commits, 3 PRs, 27 comments in 1 year 8 months
Contributions summary:Marcin primarily focused on adding and modifying test cases within the `robotframework/seleniumlibrary` repository. Their work involved updating existing tests, implementing new test scenarios, and incorporating error handling to validate functionality. Specifically, the user contributed to testing features such as session ID retrieval and element presence checks, ensuring the library's robustness and reliability. The user's contributions appear to be testing functionalities of the SeleniumLibrary, primarily through robot framework tests.
robotframeworkweb-testingpythonselenium
IlfirinPL/robot-install
Nov 2019 - Feb 2023
Install Robot Framework from scratch
Contributions:199 commits, 2 PRs, 225 pushes in 3 years 3 months
robotframeworkinstallationpowershell-scriptwindows-10
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