1,826 to 1,850 of 3,941 LLM Jobs in the UK

Senior AI Engineer

Hiring Organisation
Intellias
Location
London Area, United Kingdom
enable safe and scalable AI adoption across the enterprise: Agentic Security and AI-Ready Data Foundations. Requirements: Proven experience building production agentic and LLM systems — multi-agent or orchestrated workflows that reason across heterogeneous sources (PDFs, audio transcripts, file shares, databases) and surface confidence, gaps and provenance back … evaluation and guardrail infrastructure for AI systems: groundedness scoring, citation and provenance (file name plus the exact snippet retrieved), eval harnesses, regression suites and LLM observability. Strong production Python engineering — services and pipelines that run unattended, with testing, CI and code standards. This is not a notebook-and-analysis role. ...

AI Engineer

Hiring Organisation
Fruition Group
Location
City of London, London, United Kingdom
Employment Type
Permanent
Assess engagements - the prototype is the discovery tool, built while the value case is made * Delivering client POCs and MVPs: RAG pipelines, agent architectures, LLM integrations and protocol-driven tooling (MCP, tool orchestration) * Iterating in short loops: demoing every few days, taking feedback, changing course without ceremony * Engineering for production … 2+ modern languages * Full-stack capability: enough front-end, back-end and data engineering to build the whole thing yourself * Hands-on production LLM and agent experience: prompt engineering, agent workflows, RAG, tool orchestration and MCP - with evidence you've shipped AI users actually rely on, and how you proved ...

Senior Software Engineer

Location
Greater London, England, United Kingdom
applications using React, Next.js, and Express Own architectural decisions and be able to articulate the reasoning and tradeoffs behind them Integrate AI and LLM-powered features into production applications thoughtfully and with an eye toward reliability and user impact Collaborate with product managers and stakeholders to shape technical requirements from … decisions, not just implementing them Clear communication skills; you can translate technical tradeoffs for non-technical stakeholder Nice to Have: Experience building or integrating LLM-powered features in production (RAG pipelines, agent workflows, evaluation frameworks) Familiarity with sports tech, real-time data pipelines, or performance-sensitive consumer applications Experience with ...

Deployed AI Engineer

Hiring Organisation
Enablis
Location
City Of London, England, United Kingdom
Assess engagements, the prototype is the discovery tool, built while the value case is made Delivering client POCs and MVPs: RAG pipelines, agent architectures, LLM integrations and protocol-driven tooling (MCP, tool orchestration) Iterating in short loops: demoing every few days, taking feedback, changing course without ceremony Engineering for production … 2+ modern languages Full-stack capability: enough front-end, back-end and data engineering to build the whole thing yourself Hands-on production LLM and agent experience: prompt engineering, agent workflows, RAG, tool orchestration and MCP, with evidence you've shipped AI users actually rely on, and how you proved ...

Frontier Agents Engineer

Hiring Organisation
Scale AI
Location
London, United Kingdom
Salary
£ 80 K
AI is becoming vitally important in every function of our society. At Scale, our mission is to accelerate the development of AI applications. For 8 years, Scale has been the leading AI data foundry, helping ...

Senior Engineer

Hiring Organisation
Grant Thornton
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 60 K
help you develop along the way.Across both levels familiarity with Azure and Microsoft 365 is an advantage. Hands-on experience with LLM integration patterns, MCP tooling, and AI-enabled or agentic development environments is genuinely valued.AI and LLM experience - you're comfortable using GenAI tools such as Copilot, Claude ...

Senior Engineer

Hiring Organisation
Grant Thornton
Location
Maidstone, Kent, United Kingdom
Salary
£ 70 K
help you develop along the way.Across both levels familiarity with Azure and Microsoft 365 is an advantage. Hands-on experience with LLM integration patterns, MCP tooling, and AI-enabled or agentic development environments is genuinely valued.AI and LLM experience - you're comfortable using GenAI tools such as Copilot, Claude ...

Senior Engineer

Hiring Organisation
Grant Thornton
Location
Sheffield, South Yorkshire, United Kingdom
Salary
£ 60 K
help you develop along the way.Across both levels familiarity with Azure and Microsoft 365 is an advantage. Hands-on experience with LLM integration patterns, MCP tooling, and AI-enabled or agentic development environments is genuinely valued.AI and LLM experience - you're comfortable using GenAI tools such as Copilot, Claude ...

Senior AI Security Technologist

Hiring Organisation
Barclay Simpson Corporate Governance Recruitment
Location
London, United Kingdom
Salary
£ 80 K
used to enhance and automate cyber security capabilities.The ideal candidate will have a strong security architecture background with application security and AI/LLM security architecture experience. Practical exposure to platforms such as GCP Vertex AI/Gemini, AWS Bedrock, Azure OpenAI, Claude or OpenAI is essential.This is a rare ...

AI Solutions Architect - Gen AI - London | BCG Platinion

Hiring Organisation
The Boston Consulting Group
Location
London, United Kingdom
Salary
£ 80 K
optimize state-of-the-art, tailored IT architectures, leveraging your strong understanding of legacy systems, enterprise solutions, and current market trends (e.g., agentic AI, LLM orchestration, AI-native architectures)You have hands-on experience with AI systems, such as LLM-based applications, AI agents, or machine learning platformsYou are familiar ...

Developer

Location
City Of London, England, United Kingdom
dataset’s quality and coverage. Document analysis engines: develop and improve engines that turn financial filings and disclosures into structured, queryable data, including LLM assisted extraction where appropriate. Testing to production migration: own the path from development to production, testing rigorously in a staging environment before migrating scripts … documents, filings, PDFs, HTML, third party APIs) A habit of documenting your own work thoroughly, so others can understand, maintain and build on it LLM API experience for structured data extraction, and general comfort working with AI tools and prompting. An understanding of point in time data is a strong ...

Python Engineer (Terminal/Modelling/Data) London

Location
Greater London, England, United Kingdom
domain (energy analysts, data scientists, modellers) to make sure what you build is accurate and actually useful. Contribute to the infrastructure behind our LLM-powered AI Analyst as needed: retrieval pipelines, tool-calling, and the plumbing that lets models work with real energy market data. Cross into the parts … team where you're expected to figure things out, make trade-offs, and ship, with real autonomy over how. Nice to have Experience with LLM-powered applications: RAG pipelines, tool-calling architectures, or agentic systems. Experience designing external-facing APIs, including versioning, backwards compatibility, and OpenAPI/REST standards. Familiarity ...

Platform Engineer

Hiring Organisation
QinetiQ
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 60 K
Job Title: Platform EngineerJob Type: Permanent, FulltimeJob Location: Salford Quays, ManchesterJob ID: 19260About us:We’ve just had our tenth birthday, having grown from a little-known tech start-up into a community of 180 ...

AI Engineer

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
Knowledge Graphs & Advanced RAG Job Description Design, develop, and deploy scalable applications using Python with high code quality and performance standards Build and implement LLM-based solutions, including RAG pipelines and agentic workflows for real-world use cases Develop and integrate RESTful APIs for seamless communication between systems and services ...

Senior Machine Learning Engineer, Search & Recommendations

Hiring Organisation
Roku
Location
Cambridge, Cambridgeshire, United Kingdom
Salary
£ 80 K
Teamwork makes the stream work.Roku is changing how the world watches TVRoku is the #1 TV streaming platform in the U.S., Canada, and Mexico, and we've set our sights on powering every television in ...

Artificial Intelligence Consultant

Location
Greater London, England, United Kingdom
SoWs What you'll bring: Proven ability to take an AI use case from business challenge -> workshop -> pilot -> production -> measurable business outcome Experience taking LLM, GenAI and Agentic AI solutions beyond PoC and into live production environments Strong technical understanding of how data, cloud, LLMs and AI agents come together ...

Senior Analyst

Hiring Organisation
Harnham
Location
Brighton, England, United Kingdom
concepts Opportunity sizing and commercial analysis Product performance measurement Your Skills & Experience Strong SQL skills Python experience or hands-on exposure to AI/LLM tools Experience delivering actionable insights to senior stakeholders Strong commercial acumen and problem-solving ability Experience designing, measuring and interpreting experiments Excellent communication and stakeholder ...

AI/ML Engineer

Hiring Organisation
CBSbutler
Location
Southampton, Hampshire, United Kingdom
Salary
£ 60 K
AI/ML EngineerLocation: Hampshire/Hybrid - 2 days per week onsiteSalary: 60,000 per annum + benefitsAre you an experienced AI/ML Engineer who enjoys tackling complex technical problems and turning research into ...

AI/ML Engineer

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
Romsey, Hampshire, United Kingdom
Employment Type
Permanent
Salary
£60000 - £65000/annum Benefits package
AI/ML Engineer Location: Hampshire/Hybrid - 2 days per week onsite Salary: £60,000 per annum + benefits Are you an experienced AI/ML Engineer who enjoys tackling complex technical problems and ...

Test Automation engineer

Hiring Organisation
Huxley Associates
Location
London, United Kingdom
Salary
£ 80 K
Rest Assured. Proven experience integrating automated testing into CI/CD pipelines, including quality gates, test reliability, and automation optimization. Exposure to AI/LLM or Agentic AI testing, including evaluation frameworks, non-deterministic testing, and automated quality assurance for AI-powered applications. Bachelor's degree in Computer Science, Software ...

Software Engineer - Data Platform - FinTech

Location
Greater London, England, United Kingdom
architectural problems. You’ll also help develop the platform’s growing AI and machine-learning capabilities, including extracting value from unstructured data and supporting LLM-powered ingestion, reconciliation and reporting workflows. But the foundation comes first: clean data, robust architecture and reliable production systems. You’ll probably enjoy working here ...

Full Stack Engineer

Location
Greater London, England, United Kingdom
Apollo. Storybook and component libraries. Accessibility standards (WCAG 2.1 AA). Progressive Web Apps and responsive design. AI-powered development and integrations, including LLM APIs and tools such as GitHub Copilot or Cursor. Sports, wellness, or events-related platforms. Please note: Unfortunately, visa sponsorship is not available for this position. ...

Release Platform Engineer

Location
United Kingdom
version control systems like GitLab and Artifactory Practical knowledge of Linux and Windows operating systems Hands-on experience with AI-native engineering, including LLM platforms and prompt engineering Familiarity with infrastructure as code using Terraform Experience with relational databases like PostgreSQL and AlloyDB Frontend development skills using React and TypeScript ...

Release Platform Engineer

Location
Manchester, England, United Kingdom
version control systems like GitLab and Artifactory Practical knowledge of Linux and Windows operating systems Hands-on experience with AI-native engineering, including LLM platforms and prompt engineering Familiarity with infrastructure as code using Terraform Experience with relational databases like PostgreSQL and AlloyDB Frontend development skills using React and TypeScript ...

Senior Software Engineer

Hiring Organisation
Ask4.com
Location
Sheffield, South Yorkshire, Yorkshire, United Kingdom
Employment Type
Permanent
Salary
£60,000
controller frameworks Observability experience. Use of metrics, logs, and traces using tools such as Grafana, Prometheus and Sentry Experience with AI agent development or LLM integration Agile/Scrum working practices ISP or managed connectivity background Automated configuration management (Ansible, Puppet, or similar) We are committed to fostering an inclusive ...