876 to 900 of 2,424 LLM Jobs in the UK

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 ...

Senior MLOPs

Hiring Organisation
Elsevier
Location
London, UK
Employment Type
Full-time
based features (GenAI, Agentic AI, RAG, etc.) search/ranking quality, and knowledge graph aware retrieval while enforcing content rights and confidentiality. Key ResponsibilitiesML & LLM Engineering, Search and Recommendation EnginesAutomate and orchestrate machine learning workflows across major cloud and AI platforms (AWS, Azure, Databricks, and foundation model APIs such … implement ML pipelines that utilize Elasticsearch/OpenSearch/Solr, vector DBs, and graph DBs Build evaluation pipelines: offline IR metrics (NDCG, MAP, MRR), LLM quality metrics (faithfulness, grounding), and A/B testing. Optimize infrastructure costs through monitoring, scaling strategies, and efficient resource utilization Stay current with the latest ...

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 ...

Associate Director, AI Architect — Frontier AI

Location
Greater London, England, United Kingdom
About Cognizant Consulting Cognizant Consulting is more than Cognizant's consulting practice—we're a global community of 6,000+ experts dedicated to helping clients reimagine their business. Blending our deep industry and technology advisory ...

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

Location
Greater London, England, United Kingdom
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 ...

Sr. Specialist Solutions Architect

Location
Greater London, England, United Kingdom
Impact you will have Architecting Workloads: Design and implement production-level ML and AI workloads, including end-to-end pipelines, training/inference optimization, MLOps lifecycle management, and integration with cloud-native services. GenAI Leadership ...

Staff AI/ML Engineer Software engineering London

Location
Greater London, England, United Kingdom
Company Description We’re Checkout.com. You might not know our name, but companies like eBay, Spotify, Klarna, Uber, and Sony do, because we’re behind many of the digital experiences you use every day. We ...

Senior Machine Learning Engineer

Hiring Organisation
Trainline
Location
London, UK
Employment Type
Full-time
About usAt Trainline, our purpose is to empower greener travel choices, connecting people and places. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey options through ...

Senior Machine Learning Engineer

Location
Greater London, England, United Kingdom
About us We are champions of rail, inspired to build a greener, more sustainable future of travel. Trainline enables millions of travellers to find and book the best value tickets across carriers, fares, and journey ...

Senior / Principal Applied AI Engineer (UK / Europe, Remote)

Location
United Kingdom
coding'—requires writing production code and building agent systems and integrations. About the Role Build and ship production-grade AI agents, agentic workflows, and LLM integrations for internal automation and in-product features for a web-native trading platform. Own implementation, observability, and security while partnering with Product and Platform … lean team. Key Responsibilities Build agent loops, tool-calling, structured outputs, planning/state management, retries, guardrails, and orchestration layers on top of LLM provider APIs (Anthropic, OpenAI, open-weight models, MCP). Ship internal AI automations to remove engineering/support/growth toil by integrating with existing tooling ...

Senior Generative AI Engineer

Location
Greater London, England, United Kingdom
Data Platform. We own the AI features that shape how buyers and sellers experience the marketplace, from agentic workflows in the customer journey to LLM-powered tooling for our dealer network. What we build goes into the hands of real sellers and thousands of verified dealers, usually within weeks. When …/CD, observability, and the MLOps practices that keep things healthy once they're live. You're hands-on across the GenAI stack: LLM APIs, retrieval and vector stores, agents with tool use, and structured outputs, running on cloud infrastructure (we use AWS and GCP). You have a real ...

AI Engineer

Hiring Organisation
Datatech Analytics
Location
London, United Kingdom
Employment Type
Permanent
Salary
£90,000
AI Engineer London ( SE1) | Hybrid - 3 days on-site | £80,000 - £90,000 DOE + £5,000 car allowance + private medical The opportunity A prestigious household name UK consumer services business with tens of ...

Principal AI Data Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Temporary
Salary
£750 - £800 per day
Principal AI Data Engineer Certain Advantage is hiring for a Principal AI Data Engineer based in London. This role is an initial contract until the end of the year and is hybrid, requiring 3 days ...

Senior Java Developer

Hiring Organisation
Wolviston Management Services
Location
Hybrid Newcastle or Edinburgh - x1 per month office visit, Forest Hall, Tyne & Wear, United Kingdom
Employment Type
Permanent
Salary
£70000 - £75000/annum
Senior Java Developer Location: Hybrid (Newcastle or Edinburgh - 1 day per month) Salary: £75,000 per annum Type: Permanent, Full-Time We are looking for an experienced Senior Java Developer to join a growing technology ...

AI Engineer Apprentice

Hiring Organisation
REED SPECIALIST RECRUITMENT LIMITED
Location
Ground Floor Tempus Court Bedford Road, London, England, United Kingdom
Employment Type
Higher Apprenticeship
Salary
£18,000 a year
As our Apprentice AI Engineer, you will be at the frontier of our product capability designing and building autonomous, goal-directed AI agents that can reason, plan, and act across complex workflows. Role Agentic AI ...

Data & AI Scientists

Hiring Organisation
Pontoon
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
LangChain, LangGraph, and MCP. Deliver scalable solutions using Python, SQL, Git, and CI/CD best practises. Test, evaluate, and continuously improve AI and LLM performance. Collaborate with engineering, data, and business stakeholders to drive AI adoption and innovation. Required Experience: Strong background in Generative AI, LLMs … Familiarity with cloud platforms such as Azure, AWS, or GCP. Demonstrated experience integrating AI services into enterprise platforms. Expertise in evaluating, testing, and optimising LLM and AI Agent performance. Desirable Experience: Knowledge of Knowledge Graphs and Semantic Search. Understanding of Responsible AI principles. Experience with AI Evaluations (Evals ...

Senior Data Scientist

Hiring Organisation
Capco
Location
London, UK
Employment Type
Full-time
Senior Data ScientistLocation: London (Hybrid) | Practice Area: Data & Analytics | Type: PermanentShape intelligent solutions. Lead with insight. Drive data innovation. The RoleWe are looking for a Senior Data Scientist to join Capco's growing UK Data ...