Latest LLM Engineer Jobs

Staff Software Engineer

This role involves designing and building scalable full stack applications and AI-powered solutions, working closely with stakeholders to translate business needs into technical solutions. The engineer will lead rapid prototyping, production delivery, and mentor other engineers while contributing to architecture decisions across multiple projects.

167 Solutions Warsaw, United Kingdom €54,785 – €89,569 pa

Remote Permanent

Staff Software Engineer

This role involves designing and building scalable full stack applications, developing and deploying AI-powered solutions, and working closely with stakeholders to translate business needs into technical solutions. The engineer will lead rapid prototyping, contribute to architecture decisions, and mentor other engineers while working in a fast-paced environment with a focus on real-world AI products.

167 Solutions Kharkiv, United Kingdom €54,785 – €89,569 pa

Remote Permanent

Senior Software Engineer, Chem-Bio

About the AI Security InstituteThe AI Security Institute is the world's largest and best-funded team dedicated to understanding advanced AI risks and translating that knowledge into action. We’re in the heart of the UK government with direct lines to No....

AI Security Institute London, United Kingdom £50,000 – £80,000 pa

On-site Permanent Clearance Required

Software Engineer (Principal level)

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US.As AI continues to shape...

Synthesia London, United Kingdom

Hybrid Permanent

Software Engineer, Machine Learning

Synthesia is the world’s leading AI video platform for business, used by over 90% of the Fortune 100. Founded in 2017, the company is headquartered in London, with offices and teams across Europe and the US.As AI continues to shape...

Synthesia London, United Kingdom

Remote Permanent

Senior AI Engineer - Applied

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom

Senior AI Engineer - Platform

About us PhysicsX is a deep-tech company with roots in numerical physics and Formula One, dedicated to accelerating hardware innovation at the speed of software. We are building an AI-driven simulation software stack for engineering and manufacturing across advanced industries....

PhysicsX London, United Kingdom

Software Cyber Engineer - Python UK

This role involves developing and enhancing a Python-based cyber security platform, building automated data pipelines, and refining systems to improve performance and reliability. The engineer will work with large datasets, cloud environments, and modern AI tools to support research and operational decision-making in a fast-paced, growing technology organization.

Circle Recruitment London, United Kingdom £60,000 – £75,000 pa

Remote Permanent

AI Solutions Engineer

This role involves working directly with end users to understand their requirements and design AI-driven workflow solutions. You will build, configure, and maintain production-grade generative AI features, deliver bespoke proofs of concept, and support commercial activities through client-facing demos and solution walkthroughs. The role offers meaningful ownership and exposure to senior stakeholders in a fast-moving startup environment.

Harnham - Data & Analytics Recruitment London, United Kingdom £65,000 – £90,000 pa

Hybrid Permanent

AI Senior Software Engineer

This role involves leading the design and delivery of practical AI solutions, building and maintaining LLM-powered applications, and collaborating with product and engineering teams to embed AI capabilities into the software suite. The position offers the opportunity to shape the company's AI strategy and direction, working at the forefront of cutting-edge technology.

Matched Group Warrington, United Kingdom £55,000 – £80,000 pa

Hybrid Permanent Flexible

Lead AI Engineer

This role involves leading the hands-on development of internal AI tools and chatbots, defining and evolving the LLM architecture, and building APIs, backend services, and data pipelines. You will work closely with the Head of AI and Product to ensure solutions deliver measurable business value, while setting engineering best practices and mentoring other AI engineers.

Harnham - Data & Analytics Recruitment London, United Kingdom £85,000 pa

Hybrid Permanent

Senior Back End Engineer

As a Senior Backend Engineer, you will design and implement backend services and APIs using Python, FastAPI, and Django. You will build and maintain scalable systems, integrate AI/LLM-powered features, and manage payment systems. This role involves significant autonomy and cross-functional collaboration, directly influencing product direction and user experience.

W Talent London, United Kingdom £80,000 – £120,000 pa

On-site Permanent

Senior Security Engineer, Incident Response

RDQ326R15The Incident Response team's mission is to respond to security threats, incidents and investigations to protect our customers, employees and enterprise data in a fast, efficient and standardised manner. We're a tight-knit team of security incident responders and incident handlers...

Databricks United Kingdom

Senior Software Engineer - Platform Engineer

Multiverse is the upskilling platform for AI and Tech adoption.We have partnered with 1,500+ companies to deliver a new kind of learning that's transforming today’s workforce.Our upskilling apprenticeships are designed for people of any age and career stage to build...

Multiverse London, United Kingdom

Hybrid Permanent

Senior Machine Learning Engineer - Agentic AI Platform

This role involves scaling and optimizing a multi-agent AI platform, focusing on agent orchestration, tool integration, inference performance, state management, and system reliability. You will work in a small, senior team with direct influence on architectural decisions, contributing to a cutting-edge SaaS product.

Robert Half Cambridge, United Kingdom £40,000 – £70,000 pa

Hybrid Permanent