Location
London, United Kingdom, United Kingdom
Posted
July 08, 2026
Job Description
Description
The AppSec Security Engineer evaluates service design and architecture and performs deep-dive security assessments to ensure applications and services meet a high security bar before launch. This role works alongside senior engineers to identify issues, drive remediation, and validate that security requirements are met.
Key job responsibilities
- Security Reviews: Conduct design reviews for new and existing services, evaluating architecture documents and system designs for security risks.
- Threat Modelling: Identify attack vectors and security weaknesses in application architectures through structured threat modelling exercises.
- Penetration Testing: Coordinate penetration testing to validate security controls and identify exploitable vulnerabilities.
- Finding Management: Document, track, and communicate security findings to service teams with clear remediation guidance, and verify fixes are implemented.
- Security Guidance: Advise development ...
The AppSec Security Engineer evaluates service design and architecture and performs deep-dive security assessments to ensure applications and services meet a high security bar before launch. This role works alongside senior engineers to identify issues, drive remediation, and validate that security requirements are met.
Key job responsibilities
- Security Reviews: Conduct design reviews for new and existing services, evaluating architecture documents and system designs for security risks.
- Threat Modelling: Identify attack vectors and security weaknesses in application architectures through structured threat modelling exercises.
- Penetration Testing: Coordinate penetration testing to validate security controls and identify exploitable vulnerabilities.
- Finding Management: Document, track, and communicate security findings to service teams with clear remediation guidance, and verify fixes are implemented.
- Security Guidance: Advise development ...