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Senior Backend Engineer (R&D)

London Office💼 Full-time🗓 2026-02-20 → 2026-09-25

Core

Design and build the AI composition layer enabling security teams to compose AI-powered workflows, automate decisions, and interrogate cyber asset data.

Role type

Senior Backend Engineer (AI & Security)

Builds

APIs, data models, execution engines, and agentic patterns for multi-step security workflows.

Domain

Cybersecurity, Artificial Intelligence, Cloud Infrastructure

Deliverable

production ML models | product features

Required skills

System design, Python, TypeScript, Cloud infrastructure (AWS), Event-driven architecture, LLM integration, Security-first design

Preferred skills

Agentic patterns, Multi-agent collaboration, Hierarchical reasoning, Retrieval system design

Technologies

Python, TypeScript, AWS, LLMs

Responsibilities

Architect backend systems for dynamic composition of data sources and AI reasoning; Build scalable APIs and execution engines for complex workflows; Prototype and validate agentic patterns powered by LLMs; Ensure AI outputs are grounded in accurate cyber asset data; Implement security controls including authentication, authorization, and audit logging.

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