Sean O'Sullivan

Sean O'Sullivan is a Software Engineer currently serving as the Application Development Tech Lead (Vice President) at Citi in Belfast, Northern Ireland. They previously held various roles at Citi, including Application Development Graduate Programmer, Intermediate Programmer, and Senior Programmer (Assistant Vice President). Prior to that, Sean worked as a Senior Software Engineer at Aflac Northern Ireland and began their career as a Retail Supervisor at Queen's University Belfast. Sean holds a Master of Science in Software Development with Distinction from Queen's University Belfast and is currently pursuing a PGCert in Applied Cyber Security at the same institution.