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Security engineer, application security

UK💼 Full-time🗓 2026-09-23 → 2026-09-26

Core

Design secure architectures, conduct threat modeling, and lead application security programs for large-scale production systems, including AI services and APIs.

Role type

Senior IC application security engineer (AI/LLM focus)

Builds

Secure coding standards, reusable security patterns, libraries, and automated vulnerability detection for engineering teams.

Domain

Application security, Generative AI, LLM security

Deliverable

production ML models | product features

Required skills

Application security engineering, SAST/DAST scanning, security code reviews, vulnerability management, DevSecOps, threat modeling, penetration testing, AI agent integration, secure architecture design, LLM attack vector research

Preferred skills

Python, Java, Go, JavaScript, TypeScript

Technologies

SAST/DAST solutions, vulnerability-management platforms, security-testing frameworks

Responsibilities

Conduct threat-modeling sessions and design secure architectures; Own the application security program including scanning and automation; Establish secure coding standards and reusable patterns; Lead security assessments and penetration testing across applications and AI services; Research emerging LLM and generative-AI attack vectors and build defenses.

Seniority

Senior, hands-on IC

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