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Position: Software Developer in Test (SDET) - Centre of Excellence

???? Location: London, United Kingdom (Hybrid - Minimum 2 days onsite per week)
???? Start Date: Immediate
???? Engagement Type: Contract (with potential for permanent employment)
???? Industry: Financial Services / Technology Consulting

Role Overview

We are seeking a highly skilled and automation-focused Software Developer in Test (SDET) to join a newly established Centre of Excellence (CoE). This strategic team is responsible for delivering secure, scalable, and production-grade digital solutions while defining and upholding engineering standards across multiple client engagements.

The ideal candidate will have strong experience in test automation using Java, a deep understanding of modern testing frameworks and practices, and a proven track record of working within or helping to establish a Centre of Excellence in a financial services or banking environment.

Key Responsibilities

• Design, develop, and maintain robust automated test frameworks and test suites using Java.
• Collaborate with developers, DevOps, and QA teams to ensure high-quality, testable code and continuous delivery.
• Define and implement test strategies for functional, integration, regression, and performance testing.
• Contribute to the development of reusable testing assets and frameworks within the CoE.
• Ensure test coverage across APIs, UI, and backend systems in complex enterprise environments.
• Participate in code reviews, architecture discussions, and sprint planning sessions.
• Advocate for test automation, quality engineering, and shift-left testing practices.
• Support the evolution of CoE testing standards and best practices across engagements.

Required Skills and Experience

• Proven experience in test automation using Java in enterprise-grade applications.
• Strong knowledge of testing frameworks and tools such as JUnit, TestNG, Selenium, Cucumber, RestAssured, or similar.
• Experience testing RESTful APIs, microservices, and web-based applications.
• Familiarity with CI/CD pipelines and integration of automated tests into DevOps workflows.
• Prior experience working in regulated environments such as banking, fintech, or insurance.
• Demonstrated experience contributing to or establishing a Centre of Excellence in a financial services context.
• Strong understanding of Agile methodologies and quality engineering principles.
• Excellent communication and collaboration skills across multidisciplinary teams.

Desirable Attributes

• Experience with performance and load testing tools (e.g., JMeter, Gatling).
• Familiarity with containerized environments (e.g., Docker, Kubernetes).
• Exposure to test data management and service virtualization.
• Prior consulting experience or experience in client-facing roles.

Engagement Model

• Initial contract engagement with a clear pathway to permanent employment.
• Hybrid working model: minimum two days onsite in London, with flexibility to travel to other UK client sites as required.
• This role forms part of a long-term strategic capability within a joint consulting and technology delivery partnership.
• The position is designed as a reusable, high-impact engineering asset and is not intended to be absorbed by the client.

What We Offer

• A high-impact role within a purpose-built Centre of Excellence.
• Opportunities to work on complex, high-value projects in the financial services sector.
• A collaborative, delivery-focused culture alongside top-tier engineering talent.
• Long-term career development within a respected and expanding consulting capability.

???? To express interest or learn more, please apply directly or reach out for a confidential conversation.