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Software Engineer

Netflix - 1d ago

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Senior Software Engineer

Reddit - 4d ago

Staff Security Engineer - AI Security

Requirements

  • Experience with LLM platforms, inference gateways, or agent frameworks
  • Eight or more years of experience in security engineering, software engineering, platform engineering, or a closely related technical discipline
  • A strong academic record in computer science or software engineering
  • The software engineering ability to build and ship controls in production systems, not only review them
  • Depth in at least one of application security, platform and cloud security, or security architecture, with working breadth across the others
  • Hands-on experience securing cloud platforms and CI/CD pipelines
  • The judgment to work in an area with no established practice and make control decisions using incomplete information
  • Fluent day-to-day use of coding agents

Nice to Haves

  • Working in a regulated or high-security environment
  • Detection engineering or incident response
  • Defining security practice in a function or capability that did not previously exist

What You'll Be Doing

  • Design and implement security controls in the inference gateways, platforms, and developer tooling used across the firm, delivered as code and configuration
  • Embed controls in the systems that engineering teams already work in, so that the secure option is the default
  • Define the standards and patterns other teams adopt when building with AI
  • Define who an internal agent acts as, what it is permitted to reach, and how those decisions are enforced
  • Build telemetry that records what ran, on whose behalf, and against what
  • Establish how agent and automation activity is proven after the fact for audit and investigation
  • Secure developer harnesses, plugins, and the dependency and model provenance they rely on
  • Own secrets handling and vulnerability management across the AI tooling the firm depends on
  • Set provenance and integrity requirements for models and components introduced into the firm
  • Threat model live systems across platform and gateway security, agent identity and permissioning, and the AI supply chain
  • Deliver the remediation resulting from threat modelling directly
  • Identify gaps in control coverage and prioritize remediation against risk and delivery constraints
  • Take and document control decisions in areas where no established answer exists
  • Set and own the technical direction for the function’s core areas and help define how the function works
  • Drive the adoption of secure defaults and governed identities and gateways with a reliable audit trail

Perks and Benefits

  • QRT is an equal opportunity employer welcoming diversity
  • Empowerment to work openly and respectfully to achieve collective success
  • Initiatives and programs to enable employees to achieve a healthy work-life balance
AI Summary ✨
QRT logo

QRT

London, UK

Experience: Staff
Posted: September 9, 2026
Last seen: an hour ago
security

Why we track QRT

Qube Research & Technologies (QRT) is a global quantitative hedge fund with major engineering hubs in London, Paris, Amsterdam, and Zurich. One of the most active EU tech hirers in the quant space—they post hundreds of roles across software engineering, data engineering, FPGA, infrastructure, and security. Senior engineers earn £91–134K in London and comparable in Paris/Amsterdam.

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