Software Development Engineer in Test

• Design and build scalable test automation frameworks using languages such as Java, Python, or C#/.NET
• Develop automated test suites for microservices, APIs, and distributed system architectures
• Integrate and run tests automatically through CI/CD pipelines such as Azure DevOps or GitHub Actions
• Collaborate with development and QA teams to define test strategies and acceptance criteria
• Contribute to data quality validation and test coverage across cloud platforms such as Azure, AWS, and GCP
• Support containerised testing environments using Docker and Kubernetes
• Troubleshoot test failures and provide insights into system behaviour and quality risks

Technologies:

• ASP.NET
• AWS
• Azure
• Bash
• C#
• CI/CD
• Cloud
• DevOps
• Docker
• GCP
• Git
• GitHub
• Support
• Java
• Kubernetes
• PowerShell
• Python
• SQL
• Spring
• Spring Boot
• microservices
• NodeJS
• Architect, We are inviting Software Development Engineer in Test professionals to register interest in future contract opportunities; this advert does not represent a live vacancy. These specialist roles focus on test automation and software quality across distributed systems and cloud-native architectures, with possible work involving technologies such as .NET, ASP.NET, Java, Spring Boot, Azure, AWS, Kubernetes, and Docker. Roles are based on-site in Manchester, Greater Manchester, and are full-time contracts with an indicative rate of £450-550 per day. Depending on the industry and seniority, opportunities may offer exposure to modern technology stacks and high-impact projects, the chance to shape quality standards, contract flexibility, professional development, and collaboration with specialist teams across our UK offices. We are SThree, a global STEM workforce consultancy connecting specialists with opportunities across technology, engineering, life sciences, and financial services. Registering interest adds you to our database for consideration when we are instructed on relevant roles; no cover letter is required, and we will be in touch to discuss next steps.

• Proficiency in at least one object-oriented programming language, such as Java, C#, Python, or similar
• Hands-on experience building and maintaining test automation frameworks
• Working knowledge of APIs, microservices, and distributed system testing
• Familiarity with SQL and relational databases
• Experience with version control systems such as Git and CI/CD tooling
• Bachelors degree in Computer Science or equivalent professional experience
• Authorization to work in the United Kingdom
• Nice to have: experience with .NET, ASP.NET, Java, Spring Boot, or Node.js
• Nice to have: exposure to cloud platforms such as Azure, AWS, or GCP
• Nice to have: knowledge of containerisation tools such as Docker and Kubernetes
• Nice to have: experience with test data management and data pipelines
• Nice to have: Bash or PowerShell scripting skills
• Nice to have: familiarity with Agile and test-driven development practices