326 to 350 of 2,329 LLM Jobs in the UK

QA Engineer

Hiring Organisation
Moorepay
Location
Manchester, Lancashire, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
with excellent attention to detail. Ability to work effectively within Agile squads and cross-functional environments. Desirable: Exposure to AI testing methods (e.g., validating LLM outputs, RAG consistency, AI behaviour evaluation). Experience using AI-powered QA tools or test-generation frameworks. Knowledge of cloud environments (AWS/Azure ...

Senior Software Engineer

Location
Sheet, England, United Kingdom
React on the frontend. Solid understanding of backend architecture: API design, service patterns, and database modelling with PostgreSQL. Experience building or working closely with LLM‐powered or agentic systems using Python. Prompt engineering, tool use, RAG, agent orchestration frameworks, or similar. Proficiency with AI‐assisted development tools (e.g. GitHub Copilot ...

AI & Automation Engineer

Location
United Kingdom
platforms, and automation solutions Design, develop, and deploy scalable AI solutions from concept to production and ongoing optimisation Build and maintain agentic AI systems, LLM applications, and automation workflows that deliver measurable business value Develop AI agents that enhance decision‐making, automate tasks, and improve operational efficiency Transform proof ...

Full Stack Software Engineer (Frontend-leaning)

Location
Greater London, England, United Kingdom
phrase "in practice" exactly once. Bonus points Previously founded a company. Startup experience. Design tooling literacy (Figma), or a design background. Experience with LLM‐backed product features: RAG, embeddings, evaluation. Go, or a willingness to learn it. It's what most of our backend is written in. Data or analytics ...

Senior AI Native Software Engineer

Hiring Organisation
Remitly
Location
London, UK
Employment Type
Full-time
Remitly expands into new markets and corridors. Contribute to Treasury-wide agent governance standards, evaluation frameworks, and shared infrastructure. Research and recommend emerging LLM capabilities and agentic tooling to keep the Funding function ahead of the curve. Partner closely with the Treasury Engineering team to develop the data accuracy, completeness ...

Senior Data Engineer

Location
Greater London, England, United Kingdom
event-driven data pipelines. Knowledge of data visualisation preferably Tableau or Metabase. Experience making data safely self-service through internal tooling, analytics platforms or LLM-powered interfaces. Experience supporting product analytics or building data-powered product features. Benefits 25 days holiday plus bank holidays; 3 days winter leave; Work from ...

Senior Tech Lead, Quantitative Analytics Engineering

Location
Greater London, England, United Kingdom
powered capabilities to enhance product functionality, engineering productivity, and client value.This role requires hands-on technical leadership across software engineering, system design, AI/LLM engineering, agile delivery, and cloud-native architectures, while managing a team of engineers and external partners. You will collaborate closely with Analytics Business, Product, Architecture … maintainability, resilience, and high engineering quality.* Lead technical architecture and system design for distributed, cloud-native applications and services.* Drive adoption of AI/LLM technologies across Private Markets products, including prompt engineering, Retrieval-Augmented Generation (RAG), AI-assisted workflows, and intelligent automation where they deliver measurable business value.* Lead ...

Senior AI Architect| London

Location
Greater London, England, United Kingdom
engineering; orchestration frameworks (LangChain, LangGraph, LlamaIndex, Semantic Kernel). Hands‐on exposure to both API‐based (Claude, GPT, Gemini) and open‐source (Llama, Mistral) LLM‐based solution design. Agentic AI & Multi‐Agent Architecture – design of autonomous and multi‐agent systems, agentic design patterns (ReAct, planning, reflection, tool use, human … embeddings, vector databases (Pinecone, Weaviate, Chroma, pgvector, FAISS), hybrid search and retrieval evaluation. Familiarity with GraphRAG and agentic RAG. LLMOps, Evaluation & Responsible AI – operationalizing LLM and agentic systems at scale; evaluation harnesses, quality metrics, observability, tracing and monitoring (LangSmith, LangFuse); guardrails, red‐teaming and continuous optimization of accuracy, cost ...

Lead AI Engineer - Workday Products

Hiring Organisation
Kainos
Location
Belfast, UK
Employment Type
Full-time
Join Kainos and Shape the Future At Kainos, we're problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we're transforming digital services for millions, delivering cutting-edge ...

Lead AI Engineer - Workday Products

Hiring Organisation
Kainos
Location
Birmingham, UK
Employment Type
Full-time
Join Kainos and Shape the Future At Kainos, we're problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we're transforming digital services for millions, delivering cutting-edge ...

Lead Data Scientist - Workday Products

Hiring Organisation
Kainos
Location
Belfast, UK
Employment Type
Full-time
Join Kainos and Shape the Future At Kainos, we're problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we're transforming digital services for millions, delivering cutting-edge ...

Applied AI ML Lead - Python & Agentic AI

Location
Glasgow, Scotland, United Kingdom
plus. Job Responsibilities Design, develop, and deploy GenAI and Agentic AI solutions that improve automation, decision-making, and user experience across business workflows. Build LLM/SLM-powered applications including RAG-based systems, summarization/extraction pipelines, chat/coplay experiences, and tool-using agents. Engineer production-grade services using … copilots). Familiarity with MCP (Model Context Protocol), Agent Skills and architectures that connect models to tools/data through standardized interfaces. Familiarity with LLM application patterns: embeddings/vector search, prompt orchestration, tool calling/function calling, safety/guardrails, evaluation. Strong software engineering experience delivering production systems; ability ...

Applied AI ML Lead - Python & Agentic AI

Hiring Organisation
JP Morgan Chase
Location
Glasgow, UK
Employment Type
Full-time
plus. Job ResponsibilitiesDesign, develop, and deploy GenAI and Agentic AI solutions that improve automation, decision-making, and user experience across business workflows. Build LLM/SLM-powered applications including RAG-based systems, summarization/extraction pipelines, chat/coplay experiences, and tool-using agents. Engineer production-grade services using Java … summarization, copilots).Familiarity with MCP (Model Context Protocol), Agent Skills and architectures that connect models to tools/data through standardized interfaces. Familiarity with LLM application patterns: embeddings/vector search, prompt orchestration, tool calling/function calling, safety/guardrails, evaluation. Strong software engineering experience delivering production systems; ability ...

AI Consulting –Sr. AI Architect & Client Partner

Location
Greater London, England, United Kingdom
best practices across delivery programs. Design secure, resilient, highly available AI systems at enterprise scale, across structured and unstructured data. Design and deliver LLM-powered applications: conversational AI, enterprise copilots, knowledge management, and workflow automation. Architect advanced retrieval using RAG, Agentic RAG, Graph RAG, knowledge-graph, and hybrid approaches. Design … Personal attributes we would like to have: Core Knowledge Expected Programming & engineering : expert Python; REST APIs and microservices; FastAPI; distributed systems; cloud-native architecture. LLM application delivery: prompt engineering, tool and function calling, RAG, and at least one production Agentic AI system. Cloud AI platform : deep experience with ...

Senior Software Engineer

Hiring Organisation
XCEEDANCE LIMITED
Location
London Area, United Kingdom
tests (JUnit 5, Mockito, Testcontainers) to maintain high coverage. Collaborate with QA, DevOps, and Product teams in an Agile (Scrum/Kanban) environment. Integrate LLM-based capabilities (e.g., OpenAI, Gemini, Claude) into Java services via REST/SDK — for use cases such as document extraction, policy summarisation, or intelligent routing. … design. Experience with CI/CD pipelines (Azure DevOps, GitHub Actions, or equivalent). Demonstrated hands-on exposure to at least one of: LLM API integration, vector databases, prompt engineering, or RAG pipeline construction — even in a personal project or hackathon context. Familiarity with REST-based AI APIs (OpenAI, Anthropic ...

Lead AI Engineer

Hiring Organisation
Kainos
Location
London, UK
Employment Type
Full-time
Join Kainos and Shape the Future At Kainos, we're problem solvers, innovators, and collaborators - driven by a shared mission to create real impact. Whether we're transforming digital services for millions, delivering cutting-edge ...

Senior AI Engineer Manager/Associate Director | Capital Markets

Hiring Organisation
Datatech Analytics
Location
London, UK
Employment Type
Full-time
Senior AI Engineer Manager/Associate Director | Capital MarketsLocation: London Working pattern: HybridSalary: Compensation aligned to experience and seniorityRef: J13114Senior AI Engineering professionals are required to support the design, build and delivery of advanced AI ...

Cloud Engineering & Architecture - Senior Platform Engineer AI - Vice President

Location
Greater London, England, United Kingdom
emerging technologies and make recommendations for platform evolution. Participate in architecture design reviews and provide technical leadership on complex initiatives. Complementary AI Based Skills LLM Orchestration & Agentic Workflows: Experience in designing, building, and deploying Large Language Model (LLM) orchestration frameworks (e.g., LangChain, Temporal, or custom agentic loops) to coordinate multi ...

Senior Python AI/ML Engineer — Production NLP/LLM

Location
Glasgow, Scotland, United Kingdom
JPMorganChase in the United Kingdom seeks a Software Engineer III to join Corporate Technology. You will be a senior member of an agile team delivering secure, scalable software solutions across multiple domains and leveraging AI ...

Senior Machine Learning Scientist

Location
Greater London, England, United Kingdom
systems to detect fraud, abuse, and policy violations in user-generated content across text and multimodal domains Lead the development and application of LLM-based approaches, including model selection, fine-tuning, evaluation, and failure analysis Define and drive experimentation strategy, including offline evaluation and online testing, to rigorously measure impact ...

AI Infrastructure Engineer

Location
Greater London, England, United Kingdom
doing? As a Senior AI Infrastructure Engineer focused on model training and inference, you will: Implement and scale training pipelines for large transformer and LLM models, from data ingestion and preprocessing through distributed training and evaluation. Build and optimize inference services that deliver low‐latency, high‐reliability experiences ...

Sr. Data Scientist - Gen AI (Remote)

Hiring Organisation
CrowdStrike
Location
United Kingdom, UK
Employment Type
Full-time
Science, or a related field.8+ years of applied machine learning/research experience, with demonstrated leadership in developing production-grade models. Deep expertise in LLM and deep learning training and deployment at scale. Have a bias-for-action, ability to make high-judgement decisions, and be comfortable in the face ...

Head of Computerized Systems Quality Assurance & Validation

Location
Greater London, England, United Kingdom
records are maintained. Maintain awareness in developments in Artificial Intelligence (AI) and Machine Leaning (ML), including Generative AI, Agentic AI and Large Language Models (LLM) and their use in the development of IXICO computerized systems and products/services. Ensure the IXICO Management System incorporates regulatory requirements ...

Principal Software Engineer (AI/ML)

Hiring Organisation
Hackajob Ltd
Location
Lincoln, Lincolnshire, East Midlands, United Kingdom
Employment Type
Permanent, Part Time, Work From Home
practices. Experience in prompt engineering, with the ability to design, test, and systematically improve prompts, while measuring the accuracy, bias, and robustness of LLM outputs. Awareness of agentic workflows involving AI agents that can plan, reason, and take autonomous actions. Awareness of governance, security, and compliance considerations relating to data ...

Principal Software Engineer (AI/ML)

Location
Brampton, Cumbria, United Kingdom
practices. Experience in prompt engineering, with the ability to design, test, and systematically improve prompts, while measuring the accuracy, bias, and robustness of LLM outputs. Awareness of agentic workflows involving AI agents that can plan, reason, and take autonomous actions. Awareness of governance, security, and compliance considerations relating to data ...