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Jolanta Szajnowska

Senior QA Automation Engineer

Front-end automation · Retail & luxury e-commerce

QA automation specialist with 6 years of experience supporting a global e-commerce platform spanning approximately 300 websites. Maintains and extends Playwright automation, introduces visual regression testing and integrates automated checks into delivery pipelines. Combines hands-on engineering with release validation and QA coordination experience.

Goleniów, Poland szaj.jolanta@o2.pl jolanta-szajnowska.pl
Portrait of Jolanta Szajnowska

Professional experience

Deloitte DigitalMarch 2021 – present

Global retail & luxury e-commerce platform

Senior Front-end Automation Engineer

  • Maintain and extend Playwright automation supporting approximately 300 global e-commerce websites, covering regression, end-to-end and health-check testing.
  • Pioneered visual automation with Playwright, adding interface checks alongside functional regression.
  • Migrate tests from Taiko to Playwright to improve maintainability and execution efficiency.
  • Integrate automated tests into GitHub Actions, Jenkins and Argo CI/CD pipelines.
  • Review automation code and test coverage, and work with MySQL-driven test data management.
  • Collaborate with engineers, delivery leads, project managers and business stakeholders on release validation, test planning and quality-risk reporting.
  • Experience managing QA team capacity alongside hands-on engineering. Use AI-assisted testing and contribute targeted API checks.

QA Engineer

  • Expanded automated regression coverage using Taiko and Gauge, replacing repetitive manual checks and reducing regression effort.
  • Tested CMS functionality and worked with MySQL-driven test data to support repeatable test scenarios.
  • Onboarded new team members and maintained project documentation to support shared understanding of the application and test approach.
  • Translated acceptance criteria into test scenarios and clarified expected behaviour with developers and project stakeholders.
  • Investigated failures, verified defect fixes and kept regression coverage aligned with application changes.

Junior QA Engineer

  • Performed manual testing of web and mobile functionality, including regression and smoke testing.
  • Designed test scenarios and maintained test cases to check expected behaviour and identify defects.
  • Documented reproducible defects with clear steps, expected results and supporting evidence, then retested fixes.
  • Prepared test data and checked boundary conditions and negative paths, building familiarity with e-commerce workflows.

Earlier experience

Cooperative Bank of Goleniów · Banking intern
Records and administrative support; participation in an IT security audit.

Dekra / VSC · Auditor
Audits at commissioned locations.

Profit LLC · Customer Advisor
Banking and insurance products, customer service and acquisition.