Senior Test Engineer
Listed on 2026-10-24
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Software Development
Software Testing, Python, AI QA / Validation Engineer, Software Engineer
Location: Greater London
Medidata follows a hybrid office policy in which employees who are hired for an in-person position are expected to work on site a certain number of days per week following Company policy.
About our CompanyMedidata is powering smarter treatments and healthier people through digital solutions to support clinical trials. Celebrating over 25 years of ground-breaking technological innovation across more than 38,000 trials and 12 million patients, Medidata offers industry-leading expertise, analytics-powered insights, and one of the largest clinical trial data sets in the industry. More than 1 million registered users across approximately 2,300 customers trust Medidata's seamless, end-to-end platform to improve patient experiences, accelerate clinical breakthroughs, and bring therapies to market faster.
A Dassault Systèmes brand (Euronext Paris: FR0014003TT8, DSY.PA), Medidata is headquartered in New York City and has been recognized as a Leader by Everest Group and IDC. Discover more at . Listen to our latest podcast, from Dreamers to Disruptors , and follow us at @Medidata.
The Senior Staff Test Engineer will lead and elevate our automation engineering practice by architecting scalable, AI-powered test frameworks that accelerate software delivery across our quality engineering organization. This role will directly impact the reliability and speed of our product releases by driving a culture of quality engineering, mentoring a team of automation engineers, and embedding intelligent testing solutions — including custom AI agents and our CI/CD pipelines.
Over the next 6–12 months, this role is expected to: (1) establish a standardized automation framework adopted across all quality engineering teams, (2) reduce manual testing effort through AI-assisted test generation and execution, and (3) build a high-performing automation team capable of independently owning quality for multiple release streams.
- Lead and mentor a team of automation engineers, setting technical direction, reviewing work, and driving accountability for quality deliverables
- Architect and own scalable Python-based test automation frameworks using strong OOP design principles
- Drive CI/CD pipeline integration for automated test execution using Git Hub Actions or equivalent systems
- Build and maintain custom AI agents to enhance test engineering workflows — including test case generation, intelligent test selection, and quality reporting
- Follow up with multiple stakeholders across engineering, product, and release management to ensure on-time, quality releases
- Independently own automation projects end-to-end — from design through implementation, execution, and reporting
- Define and enforce automation best practices, coding standards, and test coverage strategies across the team
- Integrate automated test suites into deployment workflows to enable continuous quality feedback
- Collaborate with product and engineering teams to embed quality early in the development lifecycle
- Bachelor's or Master's degree in Computer Science, Software Engineering, Information Systems, or a related technical field
- Hands-on Python development experience with strong OOP design and clean code principles
- Proven ability to architect and maintain scalable test automation frameworks from scratch
- Strong understanding of CI/CD concepts and practical experience with Git Hub Actions or equivalent (Jenkins, Git Lab CI, CircleCI)
- Experience building or working with custom AI/LLM agents in a test engineering or quality context
- Solid knowledge of software testing methodologies
- Experience with API test automation using REST or GraphQL (Pytest, Requests, or equivalent)
- Demonstrated ability to lead, mentor, and grow a team of…
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