Senior Test Engineer is responsible for testing and validating EV charging systems, ensuring software, hardware, and communication interfaces perform reliably across component, integration, and end-to-end charging scenarios. Collaborates with cross-functional teams to identify defects, verify fixes, support release readiness, improve test processes to maintain high product quality and reliability.
LOCATION: Test laboratory in Zabierzów, near Kraków.
Remote work is possible only to a very limited extent (1–2 days per month, subject to manager approval).
Key responsibilities
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Design and execute test plans, test cases, and validation activities based on product requirements and release objectives.
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Perform functional, integration, system, and regression testing of EV charging systems, including software updates, communication protocols, and end-to-end charging scenarios.
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Identify, document, and track defects, working closely with engineering teams to verify fixes and ensure product quality.
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Support software releases by providing test results, assessing quality risks, and assisting with the investigation and reproduction of customer-reported issues.
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Contribute to continuous improvement of testing processes and mentor junior team members on quality best practices.
Required qualifications
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At least 4–5 years of professional experience in software testing; experience in embedded systems or related technical domains is considered a strong advantage
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Strong hands-on background in manual testing, including designing and executing test cases, exploratory testing, and regression and system-level testing.
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Proven experience in identifying, analyzing, and reporting defects, including isolating root causes and providing clear, reproducible bug reports.
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Ability to work effectively with limited or incomplete documentation, e.g. deriving test scenarios from specifications, standards, existing system behavior, and discussions with engineers.
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Solid understanding of software testing methodologies, terminology, and practices used throughout the software development lifecycle (SDLC).
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Technical degree in Computer Science, Software Engineering, Electronics, or a related field.
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Experience working with defect tracking and test management tools such as Jira or Azure DevOps.
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Good command of English, both written and spoken.
Additional qualifications (nice to have)
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SEP Electrical Qualification Certificate (Operation / Exploitation) for working with electrical equipment.
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Category B driving license.
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Experience working with or testing EVs and/or DC chargers for EVs.
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Familiarity with technologies and standards used in the EV charging industry, such as OCPP, CCS, CHAdeMO, and general industry terminology.
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Basic knowledge of Python or another scripting language.
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Basic knowledge of Robot Framework.
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Experience mentoring or supporting less experienced testers.
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