AI Software Engineer

Working with a leading technology business specialising in cybersecurity and penetration testing, you will join a permanent, fully remote team in the UK. This role offers the chance to build intelligent AI agents that can plan, reason, operate security tooling, and identify exploitable vulnerabilities within controlled environments.

The Role

Design, build, and deploy AI agents that automate penetration testing, including planning, tool use, and reasoning over security findings

Develop sandboxed cyber-lab and range infrastructure using containers and Kubernetes

Deliver AI features from initial design through to production, including evaluations, guardrails, and monitoring

Improve agent performance through prompt engineering, tool orchestration, evaluation, and token and cost optimisation

Lead code reviews and technical design sessions while supporting the development of other engineers

What You'll Need

Significant software engineering experience, with a proven ability to build and scale production systems

Strong Python development skills and willingness to work with or learn Go

Hands-on experience building and operating production AI applications using large language models and agentic frameworks

Understanding of RAG, MCP, LangGraph or similar technologies, including tool integration and prompt design

Proficiency with Docker, Kubernetes, isolated sandbox environments, and cloud experience (GCP advantageous)

Knowledge of microservices, gRPC, API design, asynchronous messaging, and platforms such as Pub/Sub or Kafka

What's On Offer

Opportunity to work on autonomous security systems with a meaningful real-world impact

Be part of a permanent, fully remote team

Exposure to cutting-edge AI and cybersecurity challenges

Apply via Haystack today!