Lead AI Engineer

Descripción del puesto

Lead AI Engineer 95,000 - 115,000 King's Cross, London (1-2 days a week in office) This is an opportunity to lead the design, architecture, and delivery of production-grade AI systems that create measurable business impact. You will work on high-value initiatives, building scalable AI solutions that are embedded directly into core business processes rather than standalone prototypes. THE COMPANY They are a well-established organisation investing heavily in AI innovation to transform business operations and deliver long-term value. Their focus is on deploying practical, scalable AI solutions that support real workflows and business outcomes. You will join a technology-driven environment where engineering excellence, collaboration, and innovation are highly valued. THE ROLE As a Lead AI Engineer, you will Specifically, you can expect to be involved in the following: Own the technical direction, architecture, and implementation of AI systems end-to-end. Design and build LLM-powered and agent-based solutions from concept through to production. Establish engineering standards, reusable patterns, and scalable frameworks across AI initiatives. Make key decisions on models, tooling, infrastructure, and system design. Ensure AI systems are robust, observable, secure, and production-ready through effective evaluation, monitoring, and guardrails. Provide technical leadership and guidance to engineers working on AI projects. SKILLS AND EXPERIENCE The successful Lead AI Engineer will have the following skills and experience: Strong commercial experience delivering production-grade AI systems from design through deployment. Deep expertise in Generative AI, Large Language Models (LLMs), orchestration, prompting, and evaluation. Experience building agentic or multi-step AI systems. Excellent software engineering fundamentals across APIs, system design, and cloud-based architecture. Ability to define technical direction and operate effectively in complex or evolving environments. Ex