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SENIOR APPLICATION SECURITY ENGINEER (OUTSIDE IR35)

East London, London💼 Full-time💰 $208,000–$208,000🗓 2026-05-09 → 2026-08-07

Core

Building a production-grade Agentic Application Security Agent to triage findings, provide AI-assisted remediation, and reduce friction in the SDLC for engineering teams.

Role type

Senior IC Application Security Engineer (AI/Agentic Systems)

Builds

Production AI security platform integrated into CI/CD pipelines

Domain

Financial Services / Application Security / Generative AI

Deliverable

production ML models | product features

Required skills

Python, TypeScript, CI/CD, LLM-powered application development, Application Security (SAST/SCA/DAST), Prompt Engineering, Threat Modeling, GitLab/GitHub integration, Prompt Injection defense, Least Privilege Design

Preferred skills

Experience with Anthropic Claude/Claude Code, MCP frameworks, AI Security Tooling, Financial Services regulation (DORA/FCA), AI Red-Teaming, Secure Development Frameworks (NIST SSDF)

Technologies

Python, TypeScript, GitLab, GitHub, CI/CD pipelines, LLMs, MCP

Responsibilities

Lead end-to-end engineering build of the Agentic Security Capability, Design and implement agent workflows for triage and remediation, Integrate security tooling into developer pipelines, Design and maintain evaluation frameworks and metrics, Embed secure-by-design principles and guardrails, Manage release from pilot to general availability

Seniority

Senior, hands-on IC

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