Latest LLM Engineer Jobs

Spotlight

Senior ML Compiler Engineer

At Fractile, we’re taking a revolutionary approach to computing to run the world’s largest language models 100x faster than existing systems. Our fast-growing team is working at the cutting edge of the latest AI developments in both hardware and software....

Fractile Bristol, United Kingdom

Senior AI/ML Software Engineer (LLM Focus)

Senior AI/ML Software Engineer (LLM Focus)Location: Guildford (office based role)Salary and benefits: £on experience + a truly outstanding package that includes an unrivalled holday entitlement.Role OverviewOur client has tasked us to source a talented Senior level AI/ML Software Engineer with...

Ion recruitment Guildford, Surrey, United Kingdom £65,000 – £100,000 pa

Senior AI Automation Engineer

This role involves designing, building, and deploying production-grade AI agents and automated workflows using Python and Azure AI platforms for internal business teams in a regulated enterprise environment. The engineer will integrate AI systems with internal platforms via APIs and event-driven architectures, develop reusable automation components, and ensure solutions are scalable, secure, and maintainable. Emphasis is on practical AI application and engineering excellence within a governed tax technology function.

HAYS Specialist Recruitment London, United Kingdom

Hybrid Permanent

Senior AI Automation Engineer

This role involves designing, building, and deploying production-grade AI agents and automated workflows for internal business use within a regulated enterprise environment. The engineer will develop Python-based services, integrate AI systems with internal platforms using APIs and event-driven architectures, and ensure solutions are scalable, secure, and maintainable. The position emphasizes practical AI application over research, with a focus on real-world deployment and mentoring junior engineers.

Hays Technology London, City And County Of the City Of London, United Kingdom

Hybrid Permanent

LLM / GenAI Engineer

This role involves designing and deploying advanced LLM and GenAI solutions, optimizing prompt engineering, and integrating AI into enterprise systems. You will work closely with data teams to build scalable and secure applications, ensuring they are production-ready and aligned with business needs.

Hays Technology Manchester, United Kingdom £600 – £650 pd

Contract Flexible

AI Engineer - LLM & Agentic Systems

This role involves designing and building AI agents and agentic workflows using LLMs, RAG, reasoning, memory, and tool orchestration to solve complex business problems. You will own the delivery end-to-end, from initial exploration to production deployment, and integrate AI into products and core business workflows.

Intec Select Victoria, Greater London, London, SW1P 1BX, United Kingdom £550 – £675 pd

Hybrid Contract

Senior AI/ML Engineer (LLM's / RAG Pipeline Development)

This role involves hands-on development and deployment of LLM-based applications into production environments. The Senior AI/ML Engineer will bridge the gap between advanced AI/ML and production-grade software, working in a newly formed R&D team to influence how AI capabilities are embedded into existing and new products. The role offers opportunities for leadership and growth within a fast-growing, market-leading company.

HAYS Specialist Recruitment Guildford, United Kingdom £85,000 – £125,000 pa

On-site Permanent

AI Engineer

This role involves extending and improving a 22-agent agentic AI platform that connects fragmented school data and surfaces actionable insights. Responsibilities include building and refining agent sub-graphs, improving prompt engineering, and contributing to LLM benchmarking. The platform integrates multiple LLMs and uses LangGraph with a supervisor-of-supervisors architecture.

Opus Recruitment Solutions London, United Kingdom £60,000 – £70,000 pa

Remote Permanent Flexible

Software AI Engineer

This role involves building LLM-based solutions in a high-growth FinTech, working in a multi-disciplinary team to turn innovative ideas into production-ready AI products. The Software AI Engineer will have end-to-end project exposure, a strong focus on AI security, and the opportunity for extensive personal and career development.

SF Partners United Kingdom £60,000 – £70,000 pa

Remote Permanent

Machine Learning Engineer

This role involves working within an R&D team to develop cutting-edge solutions in national security using generative AI and machine learning. You will collaborate with industry partners, have end-to-end project exposure, and benefit from a collaborative, autonomous environment with strong career development opportunities.

SF Partners Birmingham, West Midlands (county), United Kingdom £60,000 – £75,000 pa

Hybrid Permanent Clearance Required

Python Engineer

This role involves designing, building, and deploying AI-driven applications using Python, FastAPI, and Azure. You will work on API design, data access, AI integration, and cloud deployment, collaborating with product owners and data engineers to translate business requirements into secure, scalable solutions.

Harvey Nash Birmingham, United Kingdom £65,000 pa

Hybrid Permanent

AI Engineer

This role involves designing and delivering end-to-end agentic AI and LLM-based solutions for a leading investment house. You will work closely with business stakeholders to understand workflows, prototype AI systems, and integrate these solutions into existing enterprise systems, focusing on rapid delivery and measurable business impact.

eFinancialCareers London, United Kingdom

Hybrid Contract

AI Engineer - Cardiff

This role involves leading the design, development, and deployment of advanced AI solutions to enhance operational efficiency and support business growth. You will collaborate with senior stakeholders, guide technical direction, and mentor a team of engineers while ensuring systems are secure, scalable, and compliant.

Circle Recruitment Cardiff, Cymru / Wales, CF10 2AF, United Kingdom £40,000 – £55,000 pa

Hybrid Permanent

AI Engineer

This role involves designing and evolving multi-agent AI systems that process brand analytics using advanced LLM pipelines. The engineer will build agent orchestration frameworks, implement eval and observability layers for LLM outputs, and maintain secure, scalable AWS infrastructure. It's a hands-on leadership position focused on shaping production AI systems with real-world impact.

Hyre Ai Paddington, London, W2 1HU, United Kingdom £60,000 – £80,000 pa

Hybrid Permanent

AI Engineer

You will design and implement agentic AI systems capable of autonomous decision-making and task execution, building custom LLM pipelines, memory architectures, and tool-use frameworks. You'll collaborate with product and engineering teams to integrate AI into real-world workflows and contribute to a proprietary AI platform in a greenfield environment.

Huxley Associates London, United Kingdom £80,000 – £90,000 pa

Hybrid Permanent

AI Engineer

This role involves building and deploying production AI applications using LLMs, designing agentic workflows, and developing scalable backend APIs and cloud-native services. You'll work closely with engineering, product, and business teams to improve automation, decision-making, and user experience through intelligent workflows and AI-powered features.

Yolk Recruitment Cardiff, South Glamorgan, CF10 2AF, United Kingdom £75,000 – £82,000 pa

Hybrid Permanent