MCS Group are seeking a Senior QA Engineer to join a global leader in the FinTech industry as a part of their Belfast expansion. You will be a quality advocate and will drive automation-first practices, with a strong focus on API testing. Working closely with developers and product owners, you will ensure high-quality, reliable software is delivered each sprint. This is a hands-on role with significant autonomy, where you will shape testing strategy, mentor others, and contribute to building robust automation frameworks. Key Responsibilities Design, implement, and maintain automated functional and non-functional tests. Lead API, UI, and performance testing within CI/CD pipelines. Drive a shift-left approach to quality across the Agile team. Collaborate with global teams on test strategy, planning, and execution. Coach and mentor team members in automation and best practices. Identify risks, raise impediments early, and ensure quality remains central to delivery. The Ideal Person Strong experience in QA automation, with proven senior-level experience. Strong skills in automation tools (Selenium, Cypress, Playwright, TestComplete). Programming/scripting with Java, JavaScript, or similar. CI/CD tools (GitLab, Jenkins, TeamCity). BDD frameworks (Cucumber) and performance tools (JMeter). Non-functional testing (Performance, Load, Stress, Security). Strong collaboration and communication in Agile/SAFe environments. Desirable Experience in financial services/trading systems. Knowledge of equities, FIX protocol, AWS, and microservices. ISTQB or Agile testing certifications. Salary - £50-55k 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: QA Engineer Automation Java JavaScript Testing