
Posted 9 days ago
Software Developer Engineer in Test
AI Summary
Develops and maintains Python-based test automation frameworks using Selenium, Behave, and API testing tools to increase coverage and reliability for medical device software validation.
About this role
Job Title Software Developer Engineer in Test
Department Engineering
Reports To: Lead Test Engineer
Location: Oxford, UK
Responsibilities
• Enhance and extend the existing Python/Selenium/Behave automation framework.
• Evaluate and introduce improvements to increase the test framework reliability, maintainability and execution speed.
• Refactor and optimise existing automated tests for stability and maintainability.
• Increase automation coverage to reduce reliance on manual testing.
• Develop reusable automation utilities and libraries.
• Implement coding standards and best practices for automation.
• Maintain comprehensive documentation for the automation framework.
• Training and mentoring junior members of the team.
• Promote automation-first thinking within the testing team.
• Compliance with the MDD/MDR and ISO 13485/62304 standards for validation and verification of software medical devices.
Skills & Experience Required:
Essential
• Strong Python programming skills, including object-oriented programming and clean code principles.
• Experience developing and maintaining test automation frameworks using known browser automation framework (e.g Selenium or Playwright) and BDD (e.g. Behave).
• Solid understanding of the Page Object Model (POM) and other automation design patterns.
• API test automation using tools and libraries such as requests or similar.
• Experience writing maintainable, reusable, and scalable automated test suites.
• Familiarity with version control systems (Git).
• Experience working with CI/CD pipelines (e.g. GitLab CI).
• Ability to troubleshoot and resolve flaky or unstable automated tests.
• Experience with logging, reporting, and test result analysis.
• Strong analytical and problem-solving skills.
Desirable
• Experience integrating automated tests into deployment pipelines
• Knowledge of Linux command line
• Experience with containerisation (Docker)
• Familiarity with cloud platforms (AWS)
• Experience with test reporting tools such as Allure
• Understanding of test data management and environment configuration.
Skills
Explore related jobs
More jobs at Caristo Diagnostics
Similar API Testing jobs
- TSenior Creative Producer, Paid Content, AllureThe Condé Nast Publications Limited · 1 World Trade Center, New York
- TDirector, Production & Account Management, Vogue/TV/Allure/GlamourThe Condé Nast Publications Limited · 1 World Trade Center, New York
- A
Agency & Client Manager til Aller MediaAller Media Danmark · København, Denmark
Browse these categories
Market data for software engineer roles
All reports →- Role reportSoftware engineer jobs, Sep 2026: new listings down 9.7%New software engineer listings fell 9.7% to 1,506 this week, the first weekly drop in a month. Prioritize applications while 1,506 fresh roles remain open.
- Salary reportSoftware engineer salary 2026: median midpoint is $190,587The median published range midpoint for US software engineer roles is $190,587, with the middle half from $166,000 to $222,000.
- Market overviewState of tech hiring, September 2026: up 4.8%Tech hiring rose 4.8% month over month in September 2026, with 411,122 new listings. Customer support and account executive roles led the growth.