Senior Software Development Engineer in Test (SDET)

WE ARE: At Adaptive, we are a financial consulting firm that partners with capital, commodity, and digital market participants. We value differentiation through technology. Our experienced teams design and deliver complex front-office technology solutions using our proven accelerators to create long-term competitive advantage. Our clients include the world’s leading investment banks, investment managers, fintech and capital market service providers. With a global reach with offices in London, New York, Barcelona and Montreal, we have a proven track record of delivering powerful, elegant and intuitive trading technology solutions. We are looking for a Senior Software Development Engineer in Test to join our team and help develop our open-source and proprietary platform products. YOU ARE: • Self-directed, with the ability to define and manage priorities independently. • A great team player who loves sharing knowledge and learning from others. • A problem solver with strong analytical skills. • Excited about learning new things and keeping up to date. • Happy to work in a test-driven and Agile development fashion. YOU HAVE : • Strong understanding of QA methodologies, shift-left practices, and the full software development lifecycle (TDD, BDD, Scrum, Kanban). • Proficient in Java, with a focus on automated testing, root cause analysis, and debugging. • Comfortable implementing tests across the full test stack: unit, component, integration, system, and E2E. • Experience in uncovering complex edge cases through exploratory testing. • Confident in translating feature specifications into appropriate test coverage and test plans. • Working knowledge of BDD practices, including story refinement, example mapping, acceptance criteria definition, and 3 Amigos. • Comfortable using existing code and tests to understand system behaviour. • Practical knowledge of application profiling to identify performance and memory bottlenecks. • Familiar with defining quality metrics, telemetry, and reporting dashboards. • Hands-on exposure to chaos testing to validate system fault tolerance and reliability. • Experienced in integrating test runs and static code analysis tools into CI/CD pipelines. • Working knowledge of maintaining CI/CD pipeline health, with a focus on minimising false positives and maintaining reliable feedback. • Background in building containerised test environments with Docker and Kubernetes. • Practical familiarity with observability and monitoring platforms. • Understanding of performance and load testing for distributed pub/sub low-latency messaging technologies. • Knowledge of AI tooling applications within QA workflows to improve coverage, efficiency and defect detection. • Exposure to cloud platforms such as AWS, GCP, Azure, and OpenShift. • Financial services or trading domain experience is a nice to have. • Strong communication and collaboration skills, with confidence engaging internal and external stakeholders. YOU WILL : • Propose and enhance project’s test plans with focus on test automation approach. • Work on technically challenging quality engineering problems across code, tests, and CI/CD pipelines. • Confidently leverage your experience in questioning and challenging existing practices while actively promoting QA best practices. • Encourage a mindset/culture by educating your team that quality is everyone's responsibility and focusing your time on value-add testing tasks, rather than routine checks. • Design, maintain and execute test cases and provide your analysis on the results. • Build a solid understanding on business, technical and operational requirements. • Follow and suggest improvements to the quality assurance process. • Collaborate with other QAs, BAs and DEV team to en