1,426 to 1,450 of 2,419 LLM Jobs in the UK

Legal Engineer, Innovation and AI

Hiring Organisation
White & Case
Location
London, UK
Employment Type
Full-time
Our Practice Solutions team leads the Firm's innovation initiatives, supporting our lawyers in client delivery excellence. The team has deep expertise in working with established and emerging technologies, data analytics and data science, knowledge ...

Senior AI Engineer, Vice President

Location
Greater London, England, United Kingdom
We are building the most consequential AI solutions in Funds Transfer Pricing and Financial Hedging platforms, and we are looking for a Senior AI Engineer to design & develop Agentic AI solutions for these domains. The ...

Agentic AI Engineer (life sciences)

Location
United Kingdom
rapid innovation and calculated risks that won’t compromise our high standards The role Healx is looking for an Agentic AI Engineer to build LLM-agentic workflows that power our drug discovery platform. Reporting to our Director of Tech Strategy, you'll design and build agents that solve real drug … workflows end to end, proposing improvements. What we are looking for We’d love to hear from you if You have built and shipped LLM‐agentic systems that deliver real value — agents that use tools, orchestrate multi‐step workflows and behave reliably in production. You have at least 2 years ...

Agentic AI Engineer (life sciences)

Location
Cambridge, England, United Kingdom
rapid innovation and calculated risks that won’t compromise our high standards The role Healx is looking for an Agentic AI Engineer to build LLM-agentic workflows that power our drug discovery platform. Reporting to our Director of Tech Strategy, you'll design and build agents that solve real drug … workflows end to end, proposing improvements. What we are looking for We’d love to hear from you if You have built and shipped LLM‐agentic systems that deliver real value — agents that use tools, orchestrate multi‐step workflows and behave reliably in production. You have at least 2 years ...

Senior Software Engineer, Expense

Location
Greater London, England, United Kingdom
that is the right fit Own APIs and event-driven flows that move money, receipts, and policy decisions at company scale Build or extend LLM-backed agents: tool use, grounding, streaming, session memory, retrieval, and evals — not one-off prompt demos Improve document extraction and auto-itemization: quality, tax fields … data modeling, APIs, and cloud (AWS). Messaging systems (Kafka or similar) are a plus. Shipped AI in a real product, not only notebooks: LLM APIs, tool/function calling, retrieval-augmented generation, evaluation, or document/vision extraction. You can talk about failure modes (hallucination, cost, latency, prompt injection ...

Intelligent Automation Engineer

Location
United Kingdom
Select how often (in days) to receive an alert: Job Category: Technical Specialist/Manager Location: London, GB, EC2V 7QN Glasgow, GB, G2 1EH Liverpool, GB, L3 1NW Date: 8 Sept 2026 Division: Technology Location ...

Microsoft AI CoPilot Developer

Location
Leeds, England, United Kingdom
Leeds, United Kingdom | Posted on 02/25/2026 Responsibilities Design, develop, and maintain Copilot agents, plugins, connectors, and LLM workflows in Copilot Studio Build scalable components: prompt orchestration, retrieval layers, Power Automate flows, model interfaces, validation pipelines Develop and optimise RAG components - embeddings, vector queries, metadata strategies … Microsoft Graph, APIs, and Power Platform connectors Implement secure-by-design and responsible AI practices: guardrails, controls, monitoring, auditability Build observability: logging, telemetry, and LLM monitoring for quality and incident triage Create reusable assets - prompt libraries, agent templates, connectors, test harnesses, and documentation Conduct rapid prototyping to validate feasibility, model ...

Customer Engineer, UK/IE Startups

Location
City of Westminster, England, United Kingdom
Experience owning outcomes and decision making, solving ambiguous problems and influencing stakeholders;deep expertise in domain. Share Customer Engineer, UK/IE Startups link Copy link Bachelor's degree in Computer Science, Engineering, a related ...

AI Governance

Location
Greater London, England, United Kingdom
10 Bressenden Place, London, SW1E 5DN, United Kingdom, London SW1E 5DN, GB Full-time Company description We believe in the power of ingenuity to build a positive human future. As strategies, technologies, and innovation collide ...

Sr. WW Applied AI Specialist SA, Amazon Connect

Hiring Organisation
AmazonWebServices
Location
London, UK
Employment Type
Full-time
This role sits within the Applied AI Solutions Architecture team, which is a part of the AWS Specialist and Partner Organization (ASP). We are the technical bridge between Amazon Connect customers and the service ...

ai engineer for an AI platform

Location
Greater London, England, United Kingdom
Platform initiative and define how agents are built, integrated and operated across the organisation Design and maintain standardised templates and reference implementations for LLM and Generative AI workflows Implement secure and governed access patterns for LLMs and enterprise tools using APIM, platform gateways, Entra ID, RBAC and managed identities Contribute … systems in real-world environments Strong understanding of the end-to-end AI lifecycle, from experimentation through deployment and operation Practical understanding of production LLM or GenAI runtime concerns, including model access, routing, caching, token usage, cost optimisation and reliability High proficiency in Python and experience building APIs and service ...

Data Scientist

Hiring Organisation
Elsevier
Location
London Area, United Kingdom
Data Scientist, London/Oxford hybrid working Are you excited by the opportunity to use machine learning, NLP, and generative AI to help researchers discover knowledge faster and make better decisions? Would you enjoy turning ...

Senior AI Engineer

Hiring Organisation
The Portfolio Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
world impact. This position sits within a growing AI function and will focus heavily on Retrieval-Augmented Generation (RAG), agentic workflows, evaluation frameworks, and LLM optimisation. Key Responsibilities: Design and develop scalable RAG pipelines and generative AI workflows Build solutions using LangChain, LangGraph, and LlamaIndex Implement retrieval strategies including reranking … best practices Key Requirements: Strong Python engineering experience Commercial experience building production-grade AI/ML systems Hands-on experience with RAG architectures and LLM workflows Experience with LangChain, LangGraph, and/or Llama Index Understanding of evaluation methodologies for generative AI Experience working within scalable cloud environments (AWS preferred ...

Director - AI Engineering

Hiring Organisation
JTC Group
Location
London, UK
Employment Type
Full-time
Technology Value Creation Plan, operate within the AI Governance & Model Risk framework, and stay cost-disciplined through FinOps controls. The ideal candidate combines frontier LLM and agentic engineering expertise with the leadership skills to build and scale a high-performing team in a PE-backed environment. MAIN RESPONSIBILITIES AND DUTIESAI … Agentic Platform, MCP-enabled orchestration and validation across JTC systems and market tools, maintaining in-house control of the agentic layer to avoid LLM lock-in. Build around the consolidated Claude stack (Claude, Cowork, Claude Code and the developer platform), migrating existing agentic workloads onto it and prioritising app-agnostic ...

Agentic Platform Engineer · Manchester, UK ·

Location
Manchester, England, United Kingdom
define standards, document best practices and support adoption of the platform. Required Experience Hands-on experience designing and operating production AI-agent or LLM-powered systems, not only experimenting with chat interfaces or prompt prototypes. Strong software engineering capability in Python, including API design, automated testing, asynchronous processing, dependency management … latency and cost. Strong understanding of agent security, including workload identity, least privilege, secrets management, sandboxing, approvals and audit trails. Experience observing and operating LLM or agent workloads in production, including tracing, prompt/model/tool versioning, regression monitoring and incident response. Strong AWS and cloud-native engineering experience ...

Software Engineer III - AI Engineering

Location
Greater London, England, United Kingdom
Software Engineer III - AI Engineering 2026-09-04T00:00:00 The Borough Greater London GB SE1 1 Any 2026-12-06T06:18:00.427 Join us to shape the future of technology through AI ...

AI engineer

Location
Greater London, England, United Kingdom
systems that actually behave like they understand it. This isn't a research role. It's a build role. The gap between a great LLM demo and a trustworthy AI doctor is enormous — your job is to close it. You could be responsible for AI agent architecture — design and ship … would trust Data pipelines — ingestion and normalization from labs (Eurofins, Randox), wearables, and third-party partners. Clean data in, reliable inference out Production reliability — LLM endpoints that reason correctly at scale, with observability, evals, and failure modes you've thought through before they happen Medical collaboration — translate complex clinical requirements ...

Senior Engineer - Agentic Systems

Location
Greater London, England, United Kingdom
changed, and which information can appropriately be used for a particular task. This is not a generic chatbot, a thin wrapper around an LLM, or simply a vector database connected to company documents. The platform needs to understand business entities, relationships, ownership, permissions, project state, decisions, risks, workflows and source … permissions models, identity and secure data handling Experience with databases, queues, background jobs, events, webhooks or other asynchronous system patterns Practical experience building with LLM APIs, tool calling, agent workflows, retrieval systems or AI-enabled software Ability to design systems that handle sensitive business data with appropriate access control, auditability ...

Senior Python Engineer - AI & Automation (contract)

Hiring Organisation
Searchability (UK) Ltd
Location
North West, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £600 per day
Senior Python Engineer - AI & Automation (contract) Senior Python Engineer x3 - AI & Automation Hybrid | Financial Services | £450-£650 per day (inside IR35) Build AI solutions that make a real impact. We're working with a technology ...

Senior Backend Engineer (Ruby), AI Engineering: AI Coding

Hiring Organisation
GitLab
Location
United Kingdom, UK
Employment Type
Full-time
GitLab is the intelligent orchestration platform for DevSecOps. GitLab enables organizations to increase developer productivity, improve operational efficiency, reduce security and compliance risk, and accelerate digital transformation. More than 50 million registered users and more ...

frog - Consultant/Senior Consultant - Data Science (Customer Data)

Location
Greater London, England, United Kingdom
Why Join frog? Since June 2021, frog is part of Capgemini Invent. frog partners with customer-centric enterprises to drive sustainable growth, by building and orchestrating experiences at scale, while harnessing the power of data ...

Senior Software Engineer, Identity

Location
Greater London, England, United Kingdom
Software is eating the world, but AI is eating software. We live in unprecedented times – AI has the potential to exponentially augment human intelligence. Every person will have a personal tutor, coach, assistant, personal shopper ...

AI Trainer - Data Science

Hiring Organisation
Planet Pharma
Location
United Kingdom
About the Company We are seeking experienced Data Science professionals to join a cutting-edge AI evaluation project as an AI Coder/AI Response Evaluator. This is a unique opportunity to contribute to the ...