Project description 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. The projects are technically challenging in an environment that is very engaging. The Software Development Engineer in Test (SDET) team supports platforms 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 strong focus on automation, AI-assisted testing, and continuous quality improvement. Responsibilities Contributes and leads testing through high-quality functional and automation test scenarios Identifies, prioritises, and performs tasks in the software development lifecycle Develops tools and applications required for automation by producing clean, efficient and scalable code utilising Python-based test frameworks Automate tSQL Stored Procedure regression, component and unit tests using tSQLt and pytest Utilise Generative AI and Machine Learning to validate and detect anomalous data, predict inefficient processes and implement automatic test case generation Perform database and process performance testing using a combination of benchmarking frameworks and AI-based anomaly and drift detection Advocate for and implement engineering guidelines for excellence, including automation, code reviews, and continuous integration/continuous delivery (CI/CD) Ensures high quality, reliable products through the implementation of automated regression test frameworks Collaborates closely with business and engineering partners to deliver products, services, enhancements and solutions to meet customer needs and align with goals of the business and engineering lines Communicates with clarity, precision, and influence, presenting complex information in a clear and concise format that is appropriate for the audience Drive a culture of engineering excellence through mentorship, peer reviews, and promoting standard methodologies in software automation testing Continuously evaluate and enhance QA processes to improve efficiency, reduce cycle times and enhance overall product quality Skills Must have 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, performing automation testing using python frameworks Proficiency in QA and Test Automation suites and technologies (e.g. pytest, pandas) Significant experience of MS-SQL or PostgreSQL, including data analysis, setup and execution of test scripts (e.g. Liquibase, Flyway) Proficiency in Python required for analysis and automation of test scenarios Experience using AI/ML and Data Science technologies (e.g. scikit-learn, TensorFlow, PyCaret, etc) for anomaly detection Familiarity with performance, security and other non-functional testing approaches (e.g. JMeter, Apache Benchmark, k6, SQL Profiler etc) Prior experience of automating the business logic embedded in the back-end and middleware on C#.net / SQL Server with front end on Angular / Silverlight Solid understanding of AWS cloud technologies, particularly AWS EC2, preferable knowledge of AWS Native services such as EKS, Lambda, etc. 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 Nice to have Financial services experience is preferred. Articulate, energetic person able to work alone or as part of a team Excellent attention to detail but an ability to think laterally to solve business problems Excellent interpersonal skills, both written and verbal, with the ability to work effectively with both technical and non-technical collaborators A passion for continuous learning and improving software engineering practices Ability to learn quickly, work under pressure and to tight deadlines Demonstrated ability to mentor and grow junior engineers Creative, results driven, self-motivated and solutions oriented Demonstrates a can-do attitude, exhibits self-confidence Other Languages English: C1 Advanced Seniority Senior