Senior Application Security Engineer Permanent UK (Hybrid - a few times per month) 84kWe''re working with a forward-thinking professional services firm on a key hire to embed security into every part of their digital product journey. They''re looking for a Senior Application Security Engineer to drive secure-by-design principles across new and evolving applications and act as a Subject Matter Expert for software security across the business.This is a high-impact role in a collaborative, ambitious, and people-focused IT team. You''ll play a hands-on role, shaping security culture, guiding engineering teams, and ensuring that security is integrated into every stage of the software development lifecycle.What you''ll be doing:Leading the cultural shift towards secure software development across product teamsDefining and implementing the software security strategy in line with business goalsCollaborating with developers to automate security testing and embed security requirements into the SDLCSupporting penetration testing, vulnerability management, and remediation effortsActing as a software security SME, advising teams on secure design, risk, and complianceMaintaining security documentation, training materials, and processesReporting on compliance and security posture to senior leadershipWhat we''re looking for:Strong background in software development and security - comfortable with both code and riskProven experience embedding security into agile development environmentsHands-