Latest LLM Engineer Jobs

AI Product Engineer (Full Stack / AI Systems)

This role involves designing and building AI-powered product features end-to-end, working with LLMs in production, and debugging AI behavior. You will collaborate with product, engineering, and operations teams to deliver customer-facing AI features, focusing on scalability, reliability, and real-world application of AI systems.

Adria Solutions Manchester, United Kingdom £60,000 – £85,000 pa

Hybrid 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 on real-world AI products with high ownership and influence.

167 Solutions Bristol, United Kingdom £55,000 – £70,000 pa

Hybrid Permanent

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 Bucharest, United Kingdom €54,785 – €89,569 pa

Remote Permanent

AI Engineer

This role involves designing and deploying sophisticated AI systems using large language models, developing RAG pipelines, vector search solutions, and agent-based workflows. You will work in a fast-paced, collaborative environment, focusing on building production-grade applications that deliver tangible real-world impact.

Via Match London, United Kingdom £70,000 – £130,000 pa

Hybrid Permanent

Product Engineer

As a Product Engineer, you will own features end-to-end, working closely with product and design teams to build an AI-driven platform that helps commercial teams manage and close complex deals. The role involves integrating GenAI into product workflows, exploring LLM and RAG-based features, and improving both user experience and internal processes. The team is small, collaborative, and high-energy, with a strong focus on autonomy and trust.

Avanti London, United Kingdom £50,000 – £65,000 pa

Hybrid Permanent Flexible

Software Engineer

As a Software Engineer, you will work within a cross-functional squad to build secure, scalable, and high-quality software with a focus on AI-driven capabilities. Your responsibilities include designing and implementing software components, integrating AI models, and contributing to cloud-native services. You will collaborate closely with senior engineers and the engineering team leader to ensure best practices and continuous improvement.

Moorepay Manchester, United Kingdom £40,000 – £70,000 pa

On-site Permanent

Senior AI Engineer (Agentic / Applied AI)

This role involves designing, building, and deploying agentic AI systems in a production environment. You will develop AI-driven workflows for decision-making in complex, rules-based systems, integrate LLM-powered systems, and work with large-scale structured datasets. The position offers high ownership and the chance to shape AI applications in critical, data-intensive domains.

Platform Recruitment Dublin, City Of Dublin, Ireland £85,000 – £120,000 pa

On-site Permanent

Software Engineer (GenAI)

This role involves working with advanced Generative AI technologies and large language models to develop cutting-edge solutions for AJ Bell's business. The developer will collaborate in a cross-functional team, focusing on Python, RESTful APIs, and cloud technologies, while contributing to the company's AI-driven growth and innovation.

AJ Bell Salford, United Kingdom £40,000 – £60,000 pa

Hybrid Permanent

Research Engineer/Research Scientist - Red Team (Misuse)

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

AI Platform Engineer (DevOps / MLOps Focus)

We're hiring an experienced AI Platform Engineer to design, build and operate a production-grade Generative AI platform powering next-generation intelligent products. This is a hands-on engineering role focused on taking AI solutions from prototype to scalable, reliable services used in...

The Portfolio Group London, United Kingdom

Permanent

AI Engineer

Certain Advantage are recruiting on behalf of our Trading client for an AI Engineer on a contract basis for 6-12 months initially in London. This will require some onsite days in Central London during the week.We are seeking Engineers skilled...

Tatton Recruitment South Bank, London, SE1 9PZ, United Kingdom

Senior Engineering Lead, 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

Software Engineering Manager

This role involves leading a small software development team, managing sprints and mentoring team members, while also coding and leading projects. The focus is on using the latest technologies, particularly Microsoft Azure, web development, and AI, to deliver innovative solutions for a global business.

Coburg Banks Peterborough, PE1 1XH, United Kingdom £40,000 – £60,000 pa

Hybrid Permanent

Software Engineer, Front End Leaning (Tech Lead 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, Back End Leaning (Tech Lead 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

Remote Permanent