776 to 800 of 2,226 LLM Jobs in the UK

Remote Agentic AI Engineer for Rare-Disease Drug Discovery

Location
United Kingdom
Healx Ltd. in Cambridge, UK, is seeking an Agentic AI Engineer to build LLM-agentic workflows powering drug-discovery research. You will design agents that reason over a knowledge graph and literature to generate testable hypotheses for rare diseases, reporting to the Director of Tech Strategy. You will collaborate with ...

Enterprise AI Solutions Engineer

Location
Greater London, England, United Kingdom
cases from discovery through deployment, ensuring alignment with governance and risk requirements. This role requires hands-on experience with modern AI systems, LLM integration, and observability, plus strong stakeholder engagement across UK and international client bases. #J-18808-Ljbffr ...

Lead AI Platform Engineer — Virtual Personas

Location
City Of London, England, United Kingdom
cross-functional team including product managers, UX, and QA. You will work on a cloud-first stack (Azure, PostgreSQL, MongoDB) and a multi-provider LLM setup, while championing secure, scalable architectures and responsible AI practices. #J-18808-Ljbffr ...

Senior Director of Applied AI & Data Science

Location
Greater London, England, United Kingdom
clients. The ideal candidate has over 10 years of experience in applied AI, is skilled in advanced Python coding, and has expertise in production LLM workflows. The role also involves collaboration across various departments to align product delivery with client outcomes, ensuring team growth and high-quality deliveries. #J ...

AI Forward Deployed Engineer, LLMs - Up to £120,000 base salary plus equity (multiple headcount)

Hiring Organisation
Saragossa
Location
London Area, United Kingdom
positive difference through the development of AI solutions is what they do best. If you’re proficient in python, are enthusiastic about working with LLM’s and have strong experience leading the design and development of production grade solutions in enterprise, then this job could be a great next step ...

Senior Ad Tech Insights Analyst - Global Tech Brand

Hiring Organisation
Handle Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £86,000 per annum
successful you will have: Extensive experience in ad tech research, marketing insights, or analytics within an advertising platform or agency. Proven ability to leverage LLM-based technologies and develop AI-driven interfaces. Strong stakeholder management skills, with a track record of managing cross-functional projects. Excellent storytelling and communication skills ...

Equity Operations Transformation Project Manager - Senior Associate

Location
Bournemouth, England, United Kingdom
issue escalation management Required qualifications, capabilities, and skills Project Management experience Proficient in MS Excel, MS PowerPoint, Visio Experience of using JIRA, AI/LLM , Analytics tooling Strong people skills, with ability to build relationships with all types of stakeholders, at all levels across all business area’s Self-starter ...

QA Engineer

Hiring Organisation
Vermillion Analytics
Location
Epsom, Surrey, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £35,000 per annum
Maths at GCSE grade 4/C or above, or equivalent) Eligible to live and work in the UK Desirable: Exposure to AI/LLM or agentic AI testing, including evaluation frameworks and non-deterministic testing Experience integrating automated testing into CI/CD pipelines, including quality gates and test ...

Staff / Principal Design Engineer

Location
Greater London, England, United Kingdom
Stack We're building with tools that both humans and AI love: Frontend: React, Tailwind Backend: Golang and Rust Cloud: Cloudflare, GCP, AWS, many LLM providers DevOps & Tooling: GitHub Actions, Grafana, OTEL, infra‐as‐code (Terraform) And always on the lookout for what’s next! We treat all candidates equally ...

Lead, Data Validation Specialist

Location
City of Edinburgh, Scotland, United Kingdom
integrated solutions Foster a team culture that values collaboration, learning, and a shared commitment to client success Identify and implement AI-driven automation and LLM integrations to streamline implementation Who You Are Bachelor's degree or equivalent, ideally in Business, Finance, Math, Economics, or another data-oriented field 3+ years ...

Senior Full Stack Engineer - WhoSampled

Location
Greater London, England, United Kingdom
metadata matching: Evolve how WhoSampled's database is matched to Spotify's catalog, moving beyond heuristics toward ML-assisted approaches, including entity resolution and LLM-powered disambiguation. Better matching means more of WhoSampled's archive surfaces meaningfully within Spotify. Drive infrastructure modernisation: Lead meaningful infrastructure work that brings WhoSampled onto ...

Customer Business Analyst

Hiring Organisation
Cytora
Location
United Kingdom
challenge established thinking constructively Practical, hands-on experience with AI tools — including prompt engineering, building AI-assisted workflows, and a clear understanding of LLM behaviour and limitations High standard of written and verbal communication. Bonus points if you also have: Multilingual skills : Fluency in English, and the ability to write ...

Senior Quality Engineer

Location
Greater London, England, United Kingdom
that well and asks for feedback rather than waiting for it. It'd be great if you also have: Interest in evaluating AI or LLM-powered product features. Views on AI-driven test automation, particularly where it could replace manual testing. This probably isn't the role ...

Technical Product Manager

Location
Greater London, England, United Kingdom
related things we're interested in Experience in due diligence, governance and compliance, risk, or another data-heavy regulated domain. Familiarity with LLM concepts and emerging agent standards such as MCP. Experience working with third-party data providers and commercial data licensing. Previous experience in a fast-growing startup environment. ...

AI Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
cloud-native architectures. Deliver scalable, secure, and reliable solutions using Python , SQL , Git , and CI/CD practices. Test, evaluate, and continuously improve LLM and AI Agent performance, reliability, and safety. Collaborate with business, data, and engineering teams to drive AI adoption and innovation. Required Skills AI , Generative AI (GenAI … LangChain , LangGraph , Model Context Protocol (MCP) RAG , Embeddings , Vector Databases Python , SQL , REST APIs Git , CI/CD Cloud Platforms (Azure, AWS, or GCP) LLM & AI Agent Testing and Evaluation Desirable Skills Knowledge Graphs Semantic Search Responsible AI Token Optimisation & Cost Management AI Evaluations (Evals) Re-ranking Techniques Caching Strategies ...

Machine Learning Engineer - Conversational AI & MLOps

Hiring Organisation
Robert Walters
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
focus on deploying and optimising speech and language models across cloud and edge environments. The successful candidate will work on production-grade ASR, TTS, LLM and Small Language Model pipelines , taking AI capabilities from development through to highly available, low-latency production environments. The Role As a Machine Learning Engineer … supporting real-time conversational applications. Key responsibilities will include: Designing and deploying production-grade, low-latency Automatic Speech Recognition (ASR), Text-to-Speech (TTS), LLM and Small Language Model (SLM) pipelines. Building high-performance asynchronous REST and WebSocket APIs using FastAPI to support real-time conversational AI applications. Deploying machine ...

Principal Engineer (Gen AI and MACH Architecture)

Location
Greater London, England, United Kingdom
landscape; with preference for GCP and Vercel , or suitable equivalents on AWS and Azure, and the capability to draw parallels across platforms. GEO and LLM optimisation: experience designing intelligent experiences and content structures optimised for generative engine discovery and LLM retrieval. Model fine‐tuning: experience customising and fine‐tuning existing ...

Senior Applied AI Engineer (Private Sector Contractor)

Location
United Kingdom
team can maintain after your engagement ends. What We're Looking For Significant professional software engineering experience (typically 6+ years), including several years building LLM-based or agentic systems, with a demonstrable track record as a senior or lead engineer. Strong software engineering fundamentals: you write clean, tested, production-grade … systems in production, owning them as an engineer rather than integrating them as a user. Strong Python, with hands‐on experience building on LLM frameworks (LangGraph, LangChain, Haystack, or similar) and the ability to work below the framework when you need to. Experience designing and deploying AI/ML systems ...

Senior AI Engineer

Location
Harwell, England, United Kingdom
team can maintain after your engagement ends. What We're Looking For Significant professional software engineering experience (typically 6+ years), including several years building LLM-based or agentic systems, with a demonstrable track record as a senior or lead engineer. Strong software engineering fundamentals: you write clean, tested, production-grade … systems in production, owning them as an engineer rather than integrating them as a user. Strong Python, with hands‐on experience building on LLM frameworks (LangGraph, LangChain, Haystack, or similar) and the ability to work below the framework when you need to. Experience designing and deploying AI/ML systems ...

Senior Applied AI Engineer (Defence Contractor)

Location
United Kingdom
team can maintain after your engagement ends. What We're Looking For Significant professional software engineering experience (typically 6+ years), including several years building LLM-based or agentic systems, with a demonstrable track record as a senior or lead engineer. Strong software engineering fundamentals: you write clean, tested, production-grade … systems in production, owning them as an engineer rather than integrating them as a user. Strong Python, with hands-on experience building on LLM frameworks (LangGraph, LangChain, Haystack, or similar) and the ability to work below the framework when you need to. Experience designing and deploying AI/ML systems ...

Senior Applied AI Engineer (Defence Contractor)

Location
Greater London, England, United Kingdom
team can maintain after your engagement ends. What We're Looking For Significant professional software engineering experience (typically 6+ years), including several years building LLM-based or agentic systems, with a demonstrable track record as a senior or lead engineer. Strong software engineering fundamentals: you write clean, tested, production-grade … systems in production, owning them as an engineer rather than integrating them as a user. Strong Python, with hands-on experience building on LLM frameworks (LangGraph, LangChain, Haystack, or similar) and the ability to work below the framework when you need to. Experience designing and deploying AI/ML systems ...

Corporate KYC Principle Software Engineer - Executive Director

Hiring Organisation
Hackajob Ltd
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
systems, including multi-agent workflows, tool-use integrations, and human-in-the-loop controls appropriate for regulated financial services environments Establishes engineering standards for LLM-based applications RAG pipelines, embedding workflows, vector store integrations, and model serving ensuring safety, observability, and reproducibility at scale Drives adoption of advanced technical methods … delivering system design, application development, testing, and operational stability at enterprise scale Hands-on experience designing and deploying production AI/ML systems, including LLM-based applications and agentic architectures with tool use, memory, and multi-step reasoning in regulated environments Expert in one or more programming languages, particularly Python ...

AI Innovation Lab Engineer

Hiring Organisation
CPS Group (UK) Limited
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £480/day
opportunities that deliver measurable value. * Develop AI agents, automations and intelligent workflows across modern enterprise platforms. * Prototype and experiment with generative AI and large language model solutions. * Design and run pilot programmes with business users. * Measure outcomes, track benefits, and evaluate success against defined objectives. * Rapidly iterate solutions based … solutions, prototypes, automations or intelligent agents. * Strong understanding of AI technologies and their practical business applications. * Experience working with modern AI platforms and large language model technologies. * Ability to work independently and deliver outcomes in ambiguous environments. * Strong analytical and problem-solving capabilities. * Comfortable engaging with both technical ...

Applied AI Engineering Lead - VP, Markets Operations

Location
Greater London, England, United Kingdom
grade applications Experience designing and building AI, machine learning, generative AI, or agentic applications, including integration with enterprise systems and workflows Strong understanding of LLM application patterns, including prompt engineering, retrieval‐augmented generation, tool calling, context management, evaluation, and guardrails Experience with RESTful API design, development, and integration, including frameworks … across multidisciplinary teams Preferred Qualifications, Capabilities, and Skills Experience designing or operating multi‐agent systems, agent orchestration frameworks, workflow automation platforms, or tool‐augmented LLM applications Experience with context engineering techniques, including retrieval strategies, embeddings, vector databases, knowledge graphs, semantic search, memory management, and grounding approaches Experience building evaluation frameworks ...

AI Architect - SC cleared

Hiring Organisation
Initialize IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Daily
AI Architect - SC cleared - London/Hybrid - £682 - 6-12 months - Government project Key Responsibilities Architect enterprise-grade AI solutions using frontier foundation models (eg Claude, GPT, Gemini family) across use cases including agentic automation ...