Lead Software Developer in Test

Salary: £40,000 - 70,000 per year

Requirements:

• Significant experience as a Software Developer in Test, SDET, or Test Automation Engineer, including designing and owning automation frameworks
• Strong experience integrating automated testing into CI/CD pipelines and implementing modern DevSecOps practices
• Proven ability to define and drive quality engineering strategies in a regulated or safety-critical environment
• Hands-on experience with Python, JavaScript/TypeScript, Cypress, Selenium, or similar automation technologies
• Strong leadership and mentoring skills, with the ability to influence teams and promote a shift-left testing culture
• Experience troubleshooting complex software quality challenges and driving continuous improvement initiatives
• Familiarity with Agile development methodologies and a passion for delivering high-quality, maintainable software

Responsibilities:

• Lead the design, development, and evolution of automated test frameworks for complex, safety-critical software
• Define and implement test automation strategies that support high-quality software delivery
• Integrate automated testing into CI/CD pipelines to improve efficiency, reliability, and release confidence
• Serve as the technical authority for test architecture, tooling, and quality engineering best practices
• Collaborate with development teams, Product Owners, and architects to build scalable and testable solutions
• Mentor and support SDETs, test engineers, and other team members, fostering a quality-first mindset
• Drive continuous improvement through the adoption of new testing technologies, tools, and practices
• Support the investigation and resolution of complex software quality issues and contribute to long-term quality roadmaps

Technologies:

• CI/CD
• Cypress
• DevSecOps
• Support
• JavaScript
• Python
• Selenium
• TypeScript

More:

We develop precision radiation medicine and solutions that help healthcare providers bring advanced radiotherapy into routine clinical practice. Our adaptive radiotherapy, precision treatment delivery, and integrated workflows support consistent, efficient, and personalized care. More than 2 million patients across over 130 countries are treated using our solutions each year. We are headquartered in Stockholm, Sweden, and have more than 4,000 employees and offices in over 40 countries. We are seeking a Lead Software Developer in Test to help shape quality engineering for our radiation therapy treatment systems, working with software engineers, testers, Product Owners, and architects in a safety-critical medical device environment. We offer up to 25 paid vacation days plus bank holidays, a holiday purchase scheme, private medical insurance, an employer pension contribution package, a cycle-to-work scheme, life assurance, an onsite subsidized restaurant, and an electric vehicle salary sacrifice scheme. The role is based at our Crawley headquarters, with four days onsite and one day working from home. This is a full-time position. We are an equal opportunity employer and evaluate qualified applicants without regard to protected characteristics.

last updated 40 week of 2026