Summary
Diarmaid McManus is a security-focused software engineer with more than a decade of experience protecting and delivering scalable systems across fintech, gaming, and edtech domains. He is currently a Staff Security Engineer at Udemy, having previously served as Senior Security Engineer there and driving security program maturity within the team. Earlier in his career, he led application security at JPMorgan Chase & Co. as Vice President and spent six years at Riot Games applying defense-in-depth practices to large-scale online platforms. He has also contributed to security education as an Associate Faculty member at the National College of Ireland and began his career in software engineering roles, giving him a practical, hands-on perspective across development and security. Based in Ireland, his track record demonstrates leadership, cross-domain adaptability, and a knack for turning security requirements into auditable, production-ready outcomes.
11 years of coding experience
10 years of employment as a software developer