> Markdown version of [/jobs/ext/4113588-artificial-intelligence-engineer](https://www.wearedevelopers.com/jobs/ext/4113588-artificial-intelligence-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Artificial Intelligence Engineer - **Company:** Understanding Recruitment - **Location:** Greater London, UK - **Contract:** Permanent contract - **Skills:** Java (Programming Language), Artificial Intelligence, Computer Vision, C++ (Programming Language), Python (Programming Language), Machine Learning, Tensorflow, Rust (Programming Language), Pytorch, Large Language Models, Multi-Agent Systems, Deep Learning, Generative AI, Agentic-AI, SC Clearance, Build Management - **Published:** October 22, 2026 - **Apply:** https://www.understandingrecruitment.com/job/artificial-intelligence-engineer-9277/ ## About the Role * Strong foundations in machine learning, deep learning and applied mathematics * Production experience building agentic AI / LLM-based systems * Strong programming ability in Python, Rust, C++ or Java * Experience with PyTorch, JAX, TensorFlow or agent orchestration frameworks * Excellent engineering judgement and the ability to turn research into robust, production-ready AI * A genuine interest in solving difficult technical problems with real-world consequences PhDs, top-tier ML research publications and experience deploying AI in constrained or regulated environments are a bonus. The technical bar is high. We're looking for engineers who combine deep ML understanding with the ability to build AI systems that actually work outside a research environment. ## Description AI Engineer LLMs / Python / PyTorch / Rust | Defence AI | UK Are you an AI Engineer who wants to work on problems where model performance, reliability and real-world impact genuinely matter? I'm working with a highly ambitious, VC-backed AI start-up building advanced AI systems for some of the most demanding defence and national security environments. They're looking for exceptional AI Engineers to build and deploy production-grade agentic systems, working on problems that go far beyond standard LLM applications. Why it's interesting: * Build advanced AI agents capable of taking actions in secure, highly controlled environments * Work on LLM orchestration, agent architectures and model optimisation * Explore multimodal AI, computer vision and real-time sensor data * Take ownership of AI systems from research and prototyping through to production * Solve challenging problems around reliability, safety, scalability and deployment * Join an exceptionally strong engineering team with significant technical autonomy What we're looking for: * Strong foundations in machine learning, deep learning and applied mathematics * Production experience building agentic AI / LLM-based systems * Strong programming ability in Python, Rust, C++ or Java * Experience with PyTorch, JAX, TensorFlow or agent orchestration frameworks * Excellent engineering judgement and the ability to turn research into robust, production-ready AI * A genuine interest in solving difficult technical problems with real-world consequences PhDs, top-tier ML research publications and experience deploying AI in constrained or regulated environments are a bonus. The technical bar is high. We're looking for engineers who combine deep ML understanding with the ability to build AI systems that actually work outside a research environment. 📍 UK | Office-first with flexibility UK right to work and eligibility for SC clearance required.