SDET

Vision RT is a fast-growing MedTech company transforming radiation therapy for cancer patients by helping make it more accurate, effective, and comfortable. The company is the inventor of, and a market leader in, Surface Guided Radiation Therapy (SGRT). This technology uses advanced 3D cameras to track surface data, providing enhanced guidance across every step of the radiotherapy workflow.

Vision RT’s SGRT solutions are in 24 out of the 25 “Best Hospitals for Cancer,” as tracked by US News & World Report.

The company is recognized as one of Britain’s fastest-growing private tech companies, as featured in the 2025 Sunday Times 100 Tech list. Vision RT is also a recipient of the 2026 King’s Award for Enterprise, our fifth in 10 years. It is the UK’s most prestigious accolade for business excellence.

Company video

With around 300 employees globally and offices in the UK, Poland, and the USA, Vision RT operates independently as part of the Danish company William Demant Invest A/S, one of the world’s largest investors in healthcare companies. Employees benefit from the security and reach of being part of a large global enterprise, combined with the agility and innovation of a startup.

Vision RT is a company with strong values, a clear mission, and a bright future. It is an exciting and rewarding organization in which to work.

About the role           

A Software Development Engineer in Test (SDET) within the R&D department plays a critical role in ensuring the quality, reliability, and performance of both new and existing product features. This position is responsible for designing, executing, and automating structured test scenarios, identifying defects early in the development lifecycle, and collaborating closely with developers as part of cross-functional teams to support high-quality releases.

The role also contributes to building and maintaining elements of the company’s Continuous Integration (CI) processes, helping to ensure efficient and reliable delivery pipelines.

As part of an innovation-driven R&D environment, the SDET evaluates prototypes, validates early-stage implementations, and supports the transition of new concepts into robust, market-ready solutions.

Key responsibilities will include  

• Taking an active part in the design process by analyzing business and technical needs
• Designing, developing, and maintaining manual & automated E2E test scenarios
• Carrying out manual functional tests and ad‑hoc exploratory testing
• Validating functionality against requirements and specifications
• Reporting defects, documenting findings, and providing clear test results
• Closely collaborating with Development Team, Product Owners and other stakeholders throughout the development lifecycle
• Supporting other departments by preparing test data and contributing to marketing materials

Essential Skills & Experience         

• Minimum 3 years of experience testing desktop or web‑based applications
• Good understanding of the Software Development Life Cycle (SDLC) and Agile practices
• Ability to write clean, maintainable automated tests in C# or Java
• Experience with test automation frameworks (usage and basic maintenance)
• Strong knowledge of software testing methodologies and best practices
• Familiarity with Behaviour Driven Development (Specflow/Gherkin)
• Understanding of test design techniques (e.g., Boundary Value Analysis, Equivalence Partitioning)
• Understanding of test levels and automation strategy
• Experience working with CI/CD pipelines (e.g., Azure DevOps) and running automated tests as part of builds
• Ability to analyze and debug test failures
• Familiarity with Application Lifecycle Management platform like Azure DevOps or similar
• Basic knowledge of version control systems such as Git
• Basic understanding of non-functional testing
• Basic understanding of AI-assisted tools used in testing or productivity workflows
• Proactive, quality-focused mindset with ability to act as a QA partner within the team
• High level of self‑reliance with strong organizational and time‑management skills
• Good command of written and spoken English (B2 level)

Desirable Skills & Experience        

• SQL knowledge
• ISTQB certification
• Basic understanding of API communication
• Experience working in a regulated environment, preferably medical devices or healthcare software
• Experience writing and maintaining test documentation aligned with regulatory or quality requirements
• Ability to write or maintain simple scripts (PowerShell, Python, or C#) to support testing workflows
• Experience with logging, debugging, or profiling tools used during test execution