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Application Security Engineer

London, UK💼 Full-time🗓 2026-01-05 → 2026-08-07

Core

Perform security reviews, threat modeling, and vulnerability analysis for mission-critical defense, intelligence, and commercial software products.

Role type

Senior IC application security engineer

Builds

Secure-by-default software products for defense and intelligence clients

Domain

Cybersecurity / Application Security

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

software engineering, modern high-level programming languages (Java, Golang, Javascript, Python), code vulnerability evaluation, complex architecture design (SOA, micro-services), static code analysis (CodeQL), black-box web application testing

Preferred skills

offensive security collaboration, security automation development, software supply chain security, hardware-backed key signing

Technologies

CodeQL, in-toto, GPG

Responsibilities

Perform full-scope security reviews (whitebox, greybox, blackbox), threat model and assess risks for product architects, identify and resolve novel security vulnerabilities, develop security automation to eliminate weaknesses, lead strategic security initiatives

Seniority

Senior, hands-on IC

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