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Cox Automotive Europe • Leeds, England, United Kingdom
Role & seniority: Senior Test Engineer
Location & work type: Leeds or Manchester, Hybrid
Web tech fundamentals
Programming: C# (hands-on)
Automation: Playwright, Cypress (or similar)
API testing: Postman, SoapUI, RestSharp
Cloud: AWS or Azure
Containerization: Docker
Performance testing: K6 (or equivalent)
CI/CD / Versioning: Git in Agile environment
Own end-to-end QA process across multiple systems; set quality bar
Design and execute high-quality automated tests; develop test strategies with coverage, reliability, performance
Champion continuous improvement; drive automation, optimization, and testing evolution; mentor junior engineers; collaborate with developers, product managers, and tech leaders
Strong web technologies background
Hands-on C# programming
Experience with Playwright or Cypress; API testing expertise
Cloud experience (AWS or Azure); Docker familiarity
Performance testing tooling (e.g., K6)
Experience in Agile teams using Git workflows
Risk-based testing understanding
Database knowledge
Experience testing complex integrations
Notes: No agency involvement; role focuses on QA ownership, quality leadership, and proactive testing improvements within Cox Automotive Europe’s Product Engineering team.
Senior Test Engineer Drive Quality. Shape the Future. Own the Process.
Location: Leeds or Manchester (Hybrid)
Business Area: Enterprise Technology – Product Engineering
At Cox Automotive Europe, we’re transforming how our customers buy, sell, and manage vehicles. Our Product Engineering team builds and maintains the technology that powers Manheim Auctions — a platform trusted across the UK to process hundreds of vehicle transactions every day.
We’re now looking for a Senior Test Engineer who doesn’t just “do testing,” but takes full ownership of Quality — someone who thrives on making things better, driving QA excellence, and proactively shaping how testing is done across our products and teams.
If you’re passionate about automation, obsessed with performance, and energised by the opportunity to lead quality forward, this is your role.
What You’ll Do
Own and drive the QA process end‑to‑end, setting the bar for quality across multiple systems. Develop ambitious test strategies that ensure full coverage, reliability, and performance. Lead the design and execution of high‑quality automated tests using modern tools and frameworks. Champion continuous improvement — identifying opportunities to optimise, automate, and evolve how we test. Partner closely with developers, product managers, and engineering leaders to influence decision‑making early and often. Guide and mentor junior engineers, helping raise the capability and quality mindset of the entire team. Bring a proactive, problem‑solving approach to defects, performance bottlenecks, and risk.
You won’t just be part of the QA process — you’ll be the person who drives it forward.
What You Bring
We’re looking for someone who is energetic about doing things better, pushing boundaries, and owning the testing craft.
Technical Strengths
Strong knowledge of web technologies Hands‑on programming experience (C# ideal) Experience with Playwright, Cypress, or similar automation tools API testing know‑how (Postman, SoapUI, RestSharp) Cloud experience (AWS or Azure) Docker familiarity K6 or other performance testing tools Experience working in Agile teams using Git workflows
Bonus Skills
Understanding of risk‑based testing Database knowledge Experience testing complex integrations
How You Work
You communicate clearly and confidently with technical and non‑technical teams You naturally focus on value, risk reduction, and improving delivery You thrive in a fast‑moving environment with multiple priorities You’re collaborative, curious, and comfortable taking initiative You’re able to work independently while still lifting the team around you
Why Join Us?
This is a role where you can truly shape how quality is delivered across a major engineering function. You’ll join a supportive, innovative team that values autonomy, experimentation, and continuous learning.
If you’re ready to step into a role where your ideas matter, your leadership is felt, and your ownership drives real impact — we’d love to hear from you.
STRICTLY NO AGENCIES PLEASE
We kindly ask that agencies do not contact us regarding this vacancy. We work with a carefully selected and trusted group of recruitment partners.
We do not accept unsolicited CVs sent to the recruitment team or directly to a hiring manager. We will not be responsible for any fees related to unsolicited submissions.