Senior QA Automation Engineer; SDET

Our client is a leading global Financial Market data provider who runs a number of change programs to deliver high‑quality software that connects Financial Markets across the globe in a real‑time, high‑frequency, and low‑latency data management chain. These projects are technically challenging and engaging.

The Software Development Engineer in Test (SDET) team supports platform delivery by ensuring high‑quality, reliable, and scalable software solutions through modern automation testing practices. The role focuses on automated testing of integration services, APIs, reporting capabilities, and business‑critical platform functionality across enterprise systems.

The environment includes SQL Server, C#.NET, Python, AWS, and CI/CD‑based delivery pipelines, with a strong focus on automation, AI‑assisted testing, and continuous quality improvement.

• Contributes to and leads testing through high‑quality functional and automated test scenarios.
• Identifies, prioritises, and performs tasks in the software development life‑cycle.
• Develops tools and applications required for automation by producing clean, efficient and scalable code utilising a Python‑based test framework.
• Automates SQL Stored Procedure regression, component and unit tests using tSQLt and pytest.
• Utilises Generative AI and Machine Learning to validate and detect anomalous data, predict inefficient processes and implement automatic test case generation.
• Performs database and process performance testing using benchmarking frameworks and AI‑based anomaly and drift detection.
• Advocates for and implements engineering guidelines for excellence, including automation, code reviews, and continuous integration/continuous delivery (CI/CD).
• Ensures high quality, reliable products through the implementation of an automated regression test framework.
• Collaborates closely with business and engineering partners to deliver products, services, enhancements and solutions that meet customer needs and align with business and engineering goals.
• Communicates with clarity, precision, and influence, presenting complex information in a clear and concise format appropriate for the audience.
• Drives a culture of engineering excellence through mentorship, peer reviews, and promotion of standard methodologies in software automation testing.
• Continuously evaluates and enhances QA processes to improve efficiency, reduce cycle times and enhance overall product quality.

• Over 7+ years proven experience as a Software Developer in Test, designing, implementing and recording test results through automation in large‑scale data‑intensive platforms.
• Strong experience in test case design and performing automation testing using a Python framework.
• Proficiency in QA and Test Automation suites and technologies (e.g., pytest, pandas).
• Significant experience with MS‑SQL or Postgre
  
  SQL, including data analysis, setup and execution of test scripts (e.g., Liquibase, Flyway).
• Proficiency in Python for analysis and automation of test scenarios.
• Experience using AI/ML and Data Science technologies (e.g., scikit‑learn, Tensor Flow, PyCaret) for anomaly detection.
• Familiarity with performance, security and other non‑functional testing approaches (e.g., JMeter, Apache Benchmark, k6, SQL Profiler).
• Prior experience of automating business logic embedded in back‑end and middleware on C#.NET / SQL Server with front‑end on Angular / Silverlight.
• Solid understanding of AWS cloud technologies, particularly AWS EC2, and preferable knowledge of native services such as EKS, Lambda.
• Proven ability to deliver high‑quality, maintainable code and systems.
• Extensive experience in software engineering principles, CI/CD tools and automation processes.
• Strong analytical skills and a problem‑solving mentality.
• Some experience of Business and Technical Analysis, Delivery Management, and/or Emerging Technology and Governance.
• Experience working in an agile environment with a focus on collaboration, automation, and continuous improvement.
• Experience with Financial Markets in Equities and/or Fixed Income.

• Financial services experience is preferred.
• Articulate, energetic person able to work alone or as part of a team.
• Excellent attention to detail and an ability to think laterally to solve business problems.
• Excellent interpersonal skills, both written and verbal, with ability to work effectively with both technical and non‑technical collaborators.
• Passion for continuous learning and improving software engineering practices.
• Ability to learn quickly, work under pressure and meet tight deadlines.
• Demonstrated ability to mentor and grow junior engineers.
• Creative, results‑driven, self‑motivated with solutions‑oriented mindset.