Specialist in API-led Playwright automation, using direct API calls to configure the System Under Test (SUT) for fast, stable UI validation without reliance on brittle end-to-end flows. Experienced in distinguishing between focused feature testing and full-flow validation to ensure appropriate coverage. Skilled in reverse-engineering legacy systems to define BDD-style Features and Scenarios where requirements are unclear, clarifying true system behaviour and test gaps. Currently delivering impact across multiple fractional Playwright projects and seeking a fractional or full-time Outside IR35 role to scale API-driven test strategies.…

Stuart du Casse

Specialist in API-led Playwright automation, using direct API calls to configure the System Under Test (SUT) for fast, stable UI validation without reliance on brittle end-to-end flows. Experienced in distinguishing between focused feature testing and full-flow validation to ensure appropriate coverage. Skilled in reverse-engineering legacy systems to define BDD-style Features and Scenarios where requirements are unclear, clarifying true system behaviour and test gaps. Currently delivering impact across multiple fractional Playwright projects and seeking a fractional or full-time Outside IR35 role to scale API-driven test strategies.…

Available to hire

Specialist in API-led Playwright automation, using direct API calls to configure the System Under Test (SUT) for fast, stable UI validation without reliance on brittle end-to-end flows.

Experienced in distinguishing between focused feature testing and full-flow validation to ensure appropriate coverage.

Skilled in reverse-engineering legacy systems to define BDD-style Features and Scenarios where requirements are unclear, clarifying true system behaviour and test gaps.

Currently delivering impact across multiple fractional Playwright projects and seeking a fractional or full-time Outside IR35 role to scale API-driven test strategies.

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Skills

Experience Level

Selenium
Expert
C#
Expert
TypeScript
Expert
JavaScript
Expert
Docker
Expert
GitHub
Expert
HTML5
Expert
Python
Expert
Oracle
Intermediate
XML
Intermediate

Language

English
Fluent

Work Experience

Playwright Test Automation Specialist (Fractional Contract) at Agility By Nature, London
May 1, 2025 - Present
Replaced an 800+ case manual regression suite with API-driven Playwright automation and rationalised test cases into Features vs. E2E flows. Implemented an in-house analysis audit tool and Playwright prototypes to prove automation viability and prevent costly large-scale rollout.
Playwright Test Automation Specialist (Fractional Contract) at Quality Led Projects, UK
April 1, 2025 - Present
Reverse-engineered legacy tests into BDD format and automated a 320-case regression suite using Playwright with GitHub Actions CI. Delivered an analysis audit tool and proof-of-concept automation, demonstrating automation viability and informing investment decisions; reduced per-test runtime by decoupling setup from UI interactions.
QA Automation Engineer at Yunex Traffic, Poole
November 1, 2024 - October 13, 2025
Re-architected Traffic Management System test coverage into Features and Scenarios (BDD) in Jira. Automated Python components and Playwright browser-based camera configuration; linked 200+ Python tests in GitLab to Jira for transparent reporting. Led the adoption of Playwright and used Jira X-Ray for test management and reporting.
QA Automation Engineer at SS&C Technology – Wealth Management (Southampton)
March 1, 2024 - October 13, 2025
Built a suite of 300 Playwright end-to-end regression tests and integrated into GitHub Actions for CI. Reduced manual test execution from 5–7 minutes to under 1 minute per case. Rewrote requirements in Jira, documented Pytest coverage in BDD/Gherkin, and authored Features, User Stories, and Tasks.
Charles River API Automation Engineer at Janus Henderson Investors (London)
December 1, 2022 - October 13, 2025
Developed an API automation framework for Charles River IMS using SpecFlow and RestSharp; automated 251 API tests, reducing timelines from 5 days to 15 minutes. Created Features, User Stories, and Tasks in Azure DevOps under BDD principles; conducted manual and exploratory integration testing.
QA Automation Engineer at Sureview Systems (Swansea)
March 1, 2022 - October 13, 2025
Enhanced automation testing by developing end-to-end tests using Selenium; created Features, User Stories, and Tasks in Azure DevOps (BDD). Performed manual and exploratory testing with a focus on integration testing; utilized Postman for API testing.
QA Automation Engineer at Growth Invest (London)
August 1, 2021 - October 13, 2025
Developed and maintained Selenium-based automated test scripts for browser and API testing, using BDD to write test cases and scenarios. Conducted manual and exploratory testing, including integration and regression testing.
QA Automation Engineer at Crowdcomms (Blandford)
January 1, 2021 - October 13, 2025
Developed and executed automated test scripts using Selenium/Seleniumbase and performed manual API testing with Postman. Integrated automated tests into the CI/CD pipeline and collaborated with developers to improve test coverage.
QA Automation Engineer at British Aerospace Systems (Portsmouth)
March 1, 2020 - October 13, 2025
Developed and maintained automated test scripts using Selenium and SpecFlow; performed API testing with RestSharp and Postman. Collaborated with cross-functional teams to define test strategies.

Education

Add your educational history here.

Qualifications

ISTQB Foundation Certificate in Testing
January 11, 2030 - October 13, 2025

Industry Experience

Software & Internet, Professional Services
    Automate full test suite

    Position: Playwright Test Automation Specialist (Fractional Contract)
    Duration: April 2025 – to date

    • Brought in to reverse-engineer legacy tests into BDD format and automate a 320-case regression suite using Playwright with GitHub Actions CI.
    • Delivered my own analysis audit tool and proof-of-concept automation, demonstrating the app was automatable but not economically testable, enabling the client to make an informed investment decision.
    • Reduced average runtime from 4 minutes to 11 seconds per test through smart decoupling of test setup and UI interaction.

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