Latest Large Language Models (LLM) Jobs

AI Developer

This role involves building and deploying AI-integrated full-stack applications, incorporating cloud AI services, and developing LLM-powered features. You'll work in a small, fast-moving team, translating stakeholder requirements into working software, and contributing to internal AI tools and best practices.

Sellick Partnership Manchester, United Kingdom £72,000 – £80,000 pa

Hybrid Permanent

AI Engineer - up to+ Bonus + Benefits - Belfast

This role involves designing and deploying large language model (LLM) applications, integrating generative AI into enterprise systems, and building scalable AI-driven solutions for real-time, high-volume use cases. The engineer will work closely with stakeholders to translate business requirements into AI solutions, focusing on prompt engineering, model optimization, and ensuring alignment with security and governance principles.

Involved Solutions Ireland, Alba / Scotland, ZE2 9GA, United Kingdom £60,000 – £80,000 pa

Hybrid Permanent

Data Scientist

As a Data Scientist, you will design and deploy machine learning solutions, particularly focusing on Large Language Models (LLMs), for a high-profile financial institution. Your responsibilities include building and deploying ML and LLM-based solutions, preparing and engineering data, fine-tuning and optimizing models, and developing scalable data pipelines across cloud systems.

Franklin Bates London, United Kingdom £55,000 – £65,000 pa

Hybrid Permanent Flexible

Data Scientist

This role involves designing, building, and deploying generative AI solutions using large language models and modern machine learning techniques. You will work on practical applications like intelligent automation, document processing, and customer-facing AI tools, collaborating with data engineering and software teams to productionize solutions and ensure they align with governance standards.

Oscar Technology London, United Kingdom £65,000 – £75,000 pa

Hybrid 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

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 Scientist (Applied LLMs), London

Isomorphic Labs is applying frontier AI to help unlock deeper scientific insights, faster breakthroughs, and life-changing medicines with an ambition to solve all disease.The future is coming. A future enabled and enriched by the incredible power of machine learning. A...

Isomorphic Labs London, United Kingdom

Sub Team Lead - Red Team (Control)

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

Senior Data Scientist – Turing (LLMs, Agents, Data & Scientific Reasoning)

About RelationRelation is an end-to-end biotech company developing transformational medicines, with technology at our core. Our ambition is to understand human biology in unprecedented ways, discovering therapies to treat some of life’s most devastating diseases. We leverage single-cell multi-omics directly...

Relation Therapeutics London, United Kingdom

Permanent

Machine Learning Scientist – Reasoning Systems & RL (LLMs / Agents)

About RelationRelation is an end-to-end biotech company developing transformational medicines, with technology at our core. Our ambition is to understand human biology in unprecedented ways, discovering therapies to treat some of life’s most devastating diseases. We leverage single-cell multi-omics directly...

Relation Therapeutics London, United Kingdom

Permanent

Sr AI Editorial Lead (Portuguese), AI Shopping, International

The AI Conversational Shopping team is looking for an Sr AI Editorial Lead to drive its efforts in delivering a seamless, fluent, and locally-relevant experience for AI-assisted shopping in new marketplaces and languages. This is an opportunity to join the...

Amazon London, United Kingdom

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

Research Engineer/Research Scientist – Model Transparency

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 £40,000 – £70,000 pa

On-site Permanent

Solutions Engineer, Large Enterprise

About the TeamThe Technical Success team is responsible for ensuring the safe and effective deployment of ChatGPT and OpenAI API applications for developers and enterprises. We act as a trusted advisor and thought partner for our customers, ensuring developers and...

OpenAI London, United Kingdom

Permanent

Solutions Engineer, Large Enterprise

About the TeamThe Technical Success team is responsible for ensuring the safe and effective deployment of ChatGPT and OpenAI API applications for developers and enterprises. We act as a trusted advisor and thought partner for our customers, ensuring developers and...

OpenAI United Kingdom

Hybrid Permanent