Senior Software Development Engineer in Test

Salary: £65,000 - 105,000 per year

Requirements:

• Strong knowledge of at least one object-oriented programming language, such as Java, Scala, or JavaScript.
• Experience designing and building test automation frameworks using tools such as Selenium, Cypress, Playwright, or equivalent technologies.
• Hands-on experience with UI and API automation, alongside a solid understanding of quality engineering practices.
• Familiarity with Jira, TestRail, Jenkins, GitHub, SonarQube, CI/CD pipelines, and cloud infrastructure.
• Experience using AI-enabled tools responsibly to improve engineering productivity while maintaining appropriate human oversight, governance, software quality, and testing standards.

Responsibilities:

• Design and implement robust, reusable, and scalable test strategies and automation frameworks, applying AI-enabled engineering approaches where appropriate to improve efficiency and test coverage.
• Develop and maintain test artefacts, including test plans, specifications, automated scripts, and quality reporting to support end-to-end delivery.
• Manage test environments and generate reliable, consistent test data to support functional, integration, and regression testing.
• Execute UI and API automation using modern testing frameworks while integrating automated testing into CI/CD pipelines.
• Collaborate with engineers and cross-functional teams to deliver quality-first solutions, encouraging the responsible use of approved AI tools and automation to improve collaboration and engineering outcomes.

Technologies:

• AI
• API
• CI/CD
• Cloud
• Cypress
• GitHub
• Support
• JIRA
• Java
• JavaScript
• Jenkins
• Playwright
• Scala
• Selenium
• UX UI Design
• AWS
• Azure
• DevOps
• JMeter

More:

We are Capco, growing our Engineering team and looking for experienced SDETs to help deliver innovative solutions in financial services. This is a permanent role based in London on a hybrid basis within our Technology & Engineering practice area. You will work on high-impact, client-facing projects across Financial Services & Energy, alongside talented engineers, with access to industry-leading training, continuous learning, certifications, and a people-first benefits package. We offer a collaborative, flat, and entrepreneurial consulting culture, strong support for professional development, and a commitment to inclusion and accessibility through our #BeYourselfAtWork culture.

last updated 34 week of 2026