Senior Software Development Engineer in Test (SDET)

Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent

Capco is growing our Engineering team and we’re looking for experienced SDETs with a passion for delivering innovative solutions in financial services. If you enjoy solving complex problems, working with cloud-native technologies, and collaborating in agile teams, we’d love to hear from you.

As a Senior Software Development Engineer in Test (SDET) at Capco, you’ll contribute to high-impact, client-facing projects that shape the future of financial services. You’ll work alongside talented engineers, have access to industry-leading training, and get the opportunity to grow your skills across multiple platforms. You will also get the chance to work across different domains within FS & Energy.

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  Create, drive, and build test strategies that are robust, reusable, and scalable

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  Develop and manage test artefacts - plans, specifications, scripts, and reports

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  Manage test environments and generate consistent test data

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  Execute UI and API tests using modern automation tools and practices

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  Collaborate with engineers and cross-functional teams to ensure quality-first delivery

• Strong knowledge of at least one OOP language (Java, Scala, or JavaScript preferred)

• Experience building test automation frameworks from scratch (e.g., Selenium, Cypress, Playwright)

• Exposure to UI and API automation layers

• Familiarity with Jira, TestRail, Jenkins, GitHub, and SonarQube

• Understanding of CI/CD pipelines and cloud infrastructure

• Background as a developer

• Performance testing with JMeter, LoadRunner, or equivalent tools

• DevOps knowledge and public cloud experience (AWS, Azure, or GCP)

• Experience migrating applications to cloud environments

• Agile practices such as Scrum, Kanban, or Lean UX

We’re committed to making our recruitment process accessible and straightforward for everyone. If you need any adjustments at any stage, just let us know – we’ll be happy to help. We value each person’s unique perspective and contribution. At Capco, we believe that being yourself is your greatest strength. Our #BeYourselfAtWork culture encourages individuality and collaboration – a mindset that shapes how we work with clients and each other every day. #LI-DNI