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 : …