> Markdown version of [/jobs/ext/2466352-software-development-engineer-in-test](https://www.wearedevelopers.com/jobs/ext/2466352-software-development-engineer-in-test). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Software Development Engineer in Test - **Company:** Crowdcube - **Location:** Cardiff, UK (Remote available) - **Contract:** Permanent contract - **Skills:** JavaScript (Programming Language), Application Programming Interfaces (APIs), Artificial Intelligence, Automation of Tests, Computer Programming, Continuous Integration, Github, Python (Programming Language), Scrum Methodology, Selenium, Systems Integration, Tripwire, TypeScript, Web Platforms, Circleci, Data Logging, Postman, GitHub Copilot, Cypress (Programming Language), Playwright, SDET, Jenkins, Vulnerability Analysis - **Published:** August 10, 2026 - **Apply:** https://uk.indeed.com/viewjob?jk=567d2cdab2cd5e3f ## About the Role * Proven commercial experience in an Automation Engineer or Software Development Engineer in Test (SDET) role. * Strong programming skills in modern languages such as JavaScript/TypeScript, or Python. * Hands-on experience with modern automation frameworks (e.g., Cypress, Playwright, or Selenium). * Solid experience with API testing tools and libraries (e.g., Postman, REST Assured, Supertest). * Familiarity with CI/CD tools (e.g., GitHub Actions, CircleCI, Jenkins) and security scanning (Trivy). * Meticulous attention to detail and strong troubleshooting skills. * Extremely organised with the ability to prioritise your own workload and manage your time effectively. ## Description We are looking for an SDET to join our Engineering Team. This is a diverse role and we are looking for someone who is passionate about delivering high-quality, reliable software and will drive to ensure an exceptional user experience; who is interested in working in the fintech and start-up industry. This role will be based in our Cardiff or Manchester office ideally, but would consider UK based remote. Day to day you will: * Designing, building, and maintaining automated test frameworks for our web platform. * Working closely with Product Managers and Software Engineers from design to deployment to embed quality early in the lifecycle. * Identifying, logging, and tracking bugs and regressions, ensuring clear communication of severity and resolution steps. * Integrating automated tests into our CI/CD pipelines to ensure continuous quality and fast feedback loops. * Using AI (Claude and Github Copilot) to implement efficiently. * Performing API, performance, and cross-browser automation testing to guarantee ecosystem stability. * Participating in agile ceremonies, sprint planning, and tech spike discussions to keep up to date with product actions.