Salary: £23,400 - 27,300 per year Requirements: Strong background in Application Security and Secure Software Development Experience performing security assessments and security architecture or design reviews Strong knowledge of Azure and AWS cloud security Experience with OWASP, NIST CSF, CIS, and related frameworks Understanding of threat modelling and secure coding practices Experience supporting penetration testing and remediation activities Knowledge of containers and serverless technologies Strong stakeholder management and communication skills Experience working within large international enterprise environments is desirable Knowledge of GDPR, PCI-DSS, CRA, and related compliance standards is desirable Responsibilities: Conduct security architecture and design reviews Support the implementation of secure SDLC and SSDLC practices Provide guidance on application security controls and remediation activities Manage and support application penetration testing activities Work closely with development and project teams on secure design principles Support technical security auditing and mitigation tracking Act as the security SME across enterprise transformation programmes Technologies: AWS Azure Cloud Support OWASP Security Serverless More: We are hiring an experienced Application Security Consultant to join a large-scale enterprise transformation programme on an initial freelance contract basis. We offer up to £525 per day, with long-term programme work and a hybrid arrangement requiring 2 days per week onsite in West London. In this role, we will work closely with project teams, developers, and security stakeholders across multiple initiatives to embed security best practice across the full software development lifecycle. last updated 20 week of 2026