I am a senior QA automation engineer specializing in Playwright and API testing, with a track record of delivering automation across enterprise platforms. I excel in CI/CD integration and can adapt quickly to Selenium-based environments when needed. Working in Agile squads as the QA presence, I collaborate with developers and product owners to boost release reliability and minimize manual testing. I am hands-on, delivery-focused, and comfortable balancing automation with functional and UAT testing where required.

Stuart du Casse

I am a senior QA automation engineer specializing in Playwright and API testing, with a track record of delivering automation across enterprise platforms. I excel in CI/CD integration and can adapt quickly to Selenium-based environments when needed. Working in Agile squads as the QA presence, I collaborate with developers and product owners to boost release reliability and minimize manual testing. I am hands-on, delivery-focused, and comfortable balancing automation with functional and UAT testing where required.

Available to hire

I am a senior QA automation engineer specializing in Playwright and API testing, with a track record of delivering automation across enterprise platforms. I excel in CI/CD integration and can adapt quickly to Selenium-based environments when needed.

Working in Agile squads as the QA presence, I collaborate with developers and product owners to boost release reliability and minimize manual testing. I am hands-on, delivery-focused, and comfortable balancing automation with functional and UAT testing where required.

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Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate

Work Experience

Fractional QA Transformation Lead at Quality Led Projects (QLP), UK
April 1, 2025 - Present
Took ownership of release risk in a poorly documented legacy platform where test coverage existed but confidence did not. Converted 320 undocumented regression tests into BDD features aligned to business behavior, creating an explicit release signal for engineering and product. Delivered a targeted Playwright proof of concept that reduced a critical workflow from 4 minutes to 11 seconds, proving where automation genuinely reduced risk rather than adding noise. Established a test architecture that could be owned by the team, not the original author, preventing scale-out fragility.
Fractional Head of QA / Automation Architect at Agility By Nature (ABN), London
May 1, 2025 - September 1, 2025
Advised leadership against a high-cost, low-return automation programme. Delivered targeted Playwright automation where it genuinely reduced risk. Replaced an unmaintainable manual regression suite of 800+ tests. Established stable CI patterns before scale-out.
QA Lead / Automation Architect at Siemens / Yunex Traffic, UK
July 1, 2024 - November 1, 2024
Introduced Playwright into a large Siemens enterprise environment. Assessed brittle Selenium automation to separate signal from noise. Reduced reliance on unstable UI tests through better automation design. Integrated automation with Jira XRay for governance and reporting.
Automation Framework Lead at SS&C Technologies, Southampton
May 1, 2023 - March 1, 2024
Built a Playwright framework from scratch for a complex enterprise platform. Designed a hybrid API / UI approach to minimise UI brittleness. Enabled delivery of 300+ fast-running regression tests. Embedded automation into CI pipelines for reliable release feedback.

Education

Add your educational history here.

Qualifications

ISTQB Foundation Certificate in Testing
January 11, 2030 - May 13, 2026

Industry Experience

Software & Internet, Professional Services

Experience Level

Expert
Expert
Expert
Expert
Intermediate
Intermediate

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