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

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

Senior Python Engineer

This role involves designing, building, and deploying AI-driven applications and services 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 scalable, secure solutions.

Harvey Nash Birmingham, United Kingdom £70,000 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

Data Architect

The Data Architect will lead the strategic integration of agentic AI and large language models across the enterprise, defining governance frameworks, advising senior stakeholders, and mentoring teams. This role involves shaping cutting-edge AI practices and ensuring responsible adoption within a dynamic and forward-thinking environment.

Experis Croydon, London, United Kingdom £700 – £750 pd

Hybrid Contract Clearance Required

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

Senior Python Engineer (AI Systems)

This role involves designing and scaling AI systems for evaluating knowledge and skills, using large language models, evaluation frameworks, and multimodal data. You'll work in a small, collaborative team focused on building robust, fair, and reliable systems that have a real-world impact on professional certification and assessment.

S Knights Recruitment Shadwell, London, E1W 3DJ, United Kingdom £60,000 – £90,000 pa

Remote 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

Lead GenAI Full Stack Engineer / Managing Consultant

This role involves working closely with senior stakeholders to develop and scale GenAI solutions, including proof-of-concepts and production-ready applications. You will collaborate on full stack development, infrastructure design, and explore emerging technologies to create scalable and secure solutions for clients.

83zero London, United Kingdom £77,000 – £88,000 pa

Hybrid Permanent Clearance Required

Senior Developer

This role involves developing and maintaining software applications using Java, implementing AI solutions to enhance functionality and accelerate workflows, and collaborating with cross-functional teams to design and ship new features. The Senior Software Engineer will work with cutting-edge AI tools like Claude Code, GitHub Copilot, and LLMs to modernize legacy services and demonstrate the potential of AI in the software development lifecycle.

Tiro London, City And County Of the City Of London, United Kingdom £500 – £550 pd

Hybrid Contract

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

As a Senior Data Scientist on the Turing team, you will develop and deploy AI systems, including large language models and agentic workflows, to accelerate scientific discovery. Your work will involve integrating diverse biomedical datasets, extracting insights from scientific literature, and collaborating closely with biologists and engineers to turn computational ideas into practical tools for drug discovery.

Relation Therapeutics London, United Kingdom £70,000 – £110,000 pa

On-site Permanent