Senior Quality Assurance Engineer

Senior Automation QA – Leading FinTech – Hybrid - £95,000

Our client, a major player in the financial technology space, is seeking a Senior Automation QA to drive automation excellence across UI, API, and performance layers. This is a key role for an engineer who loves building frameworks from scratch, shaping quality strategy, and mentoring teams toward an automation-first culture.

What You'll Do

  • Build and enhance automation frameworks using Playwright (UI), Mocha/Axios (API), and K6 (performance).
  • Apply best-practice automation architecture (POM, stable locators, CI/CD integration).
  • Break down complex scenarios into clear test cases and scalable automation.
  • Promote an AI-first approach to testing and delivery.
  • Mentor manual QAs and collaborate closely with engineering to uplift engineering quality.

What You Bring

  • Strong passion for driving forward testing methods and implementing new systems.
  • Strong QA background (8+ years), with 5+ in automation.
  • Hands-on experience with Playwright.
  • Exposure to Selenium, Cypress, or Cucumber advantageous.
  • Solid AWS experience: CI/CD, CloudFormation/Terraform, monitoring.
  • Knowledge of containers/orchestration (Docker, ECS, EKS, Kubernetes).
  • Comfortable working in Agile environments with strong initiative and ownership.

Nice to Have

  • Experience building automation in serverless environments (AWS Lambda).
  • Understanding of AWS security best practices.
  • Familiarity with market data.

If this is of interest please apply and/or reach out to me at: sam.horscroft@harringtonstarr.com

Job Details

Company
Harrington Starr
Location
Slough, Berkshire, UK
Employment Type
Full-time
Posted