MCS Group are seeking a Senior Automation Engineer to join a global leader in the FinTech industry as a part of the expansion of their Belfast operations. This person will focus on automated testing of a dark pool trading system (ATS). This role is fully back-end automation (no UI/Selenium testing) and requires strong Python coding skills in a fast-paced financial technology environment. If you are looking for stability in a difficult market, this role could be perfect for you. Key Responsibilities Develop automated tests in a Python-based framework for ATS functionality. Work closely with developers and product specialists to ensure robustness of trading systems. Apply object-oriented programming principles to build reliable, scalable tests. Contribute to improving the quality of mission-critical financial platforms. The Ideal Person Back-end automation engineers and developers with strong OOP skills. Strong hands-on Python (back-end development/testing focus). Solid object-oriented programming background (Java, C++, etc. also considered). Excellent problem-solving skills. Experience with trading systems (ATS, equities, FIX protocol) highly desirable. Desirables FIX protocol knowledge. Java experience. Domain experience in equities trading systems (preferred but not essential). Salary - Up to £65,000 To speak in absolute confidence about this opportunity, please send an up-to-date CV via the link provided, or contact Matthew Hamill, IT Recruitment Consultant, at MCS Group. Even if this position is not right for you, we may have others that are. Please visit MCS Group to view a wide selection of our current and exclusive roles All conversations will be treated in the strictest of confidence. MCS Group is committed to Equality, Diversity, and Inclusion for all, being the first recruitment agency in NI to achieve Bronze Diversity Mark accreditation, if you have a disability which means you require a reasonable adjustment to be considered at any stage of the recruitment process, please contact us and we will endeavour to facilitate the request. Not all agencies are the sameMCS Group are passionate about providing a first-class service to all our customers and have an independent review rating of 4.9 stars on Google. Skills: Automation Python Java C++ trading systems