Are you ready to take ownership of some of the most business-critical systems in financial compliance technology? MCS Group are delighted to be partnering with a company building out a brand-new technology function to support compliance and surveillance systems at enterprise scale - and we're looking for exceptional engineers at Senior, Lead, and Director level to shape the future of this platform. This is your chance to join a greenfield build-out with high-impact projects, working across front-end, back-end, data, DevOps, and vendor-integrated platforms in a mission-critical banking environment. What You'll Work On: Design, build and extend complex systems supporting trade and comms surveillance, compliance controls, and onboarding (e.g., broker accounts via Fidelity) Collaborate with cross-functional teams including Data, QA, PMs, and Scrum Masters Tackle challenges across vendor-based systems, enterprise-scale microservices, and internal tooling Lead and mentor engineers while setting architectural and development best practices Influence technology decisions and partner closely with compliance stakeholders What We're Looking For: Proven experience in financial compliance or enterprise banking tech - Citi experience highly desirable Hands-on background in software development - JAVA Expertise in either front-end, back-end, or full-stack systems - vendor system experience a big plus Knowledge of trade surveillance, communications monitoring, or control room onboarding Strong stakeholder engagement skills and the ability to lead or scale engineering teams To speak in absolute confidence about this opportunity please contact Rachael Walker, IT Recruitment Manager at MCS Group or click the apply button below. If this position is not right for you, we have others that are. Please visit MCS Group to view a wide selection of our current jobs or give us a call . All conversations will be treated in the strictest of confidence. Skills: senior software engineer java engineer lead software engineer Java compliance Benefits: Work From Home