326 to 350 of 2,385 LLM Jobs in England

Financial Crime Data Science Modelling Team Lead

Location
Greater London, England, United Kingdom
delivery of new SOTA challenger models Tuning and optimising strategies for incumbent models Design and govern the use of Large Language Models (LLM)-as-judge approaches within alert handling processes (evaluation framework, quality controls, bias/robustness testing and auditability) Document model logic, assumptions, limitations and test outcomes in line ...

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 ...

Lead Software Engineer (AI)

Location
Oxford, England, United Kingdom
exceptional team player - low‐ego, high‐initiative Genuine interest in the transformation of energy markets and infrastructure Desirable attributes: Hands‐on experience building LLM‐based systems Experience testing non‐deterministic systems Understanding of statistics and inferential methods LangGraph, RAG, MCP, MLOps, IaaC, AWS What we offer Some of the benefits ...

Principal Software Engineer (AI)

Location
Oxford, England, United Kingdom
exceptional team player - low‐ego, high‐initiative Genuine interest in the transformation of energy markets and infrastructure Desirable attributes: Hands‐on experience building LLM‐based systems Experience testing non‐deterministic systems Understanding of statistics and inferential methods LangGraph, RAG, MCP, MLOps, IaaC, AWS What we offer Private Medical Insurance Dental ...

Forward Deployed Engineer, Manager -London

Location
Greater London, England, United Kingdom
high-growth environment.- Experience deploying AI agents in complex coding or business workflows.- Experience designing or implementing AI-powered workflows involving MCP, APIs, LLM applications, prompt engineering, retrieval or RAG systems, or workflow orchestration.- Experience with ETL or ELT workflows, schema mapping, validation scripts, and large-scale content or data ...

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)

Location
Luton, England, 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 ...

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 ...

Principal Software Engineer (AI/ML)

Location
Luton, England, 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 ...

Applied AI ML Director, Risk Management & Compliance

Location
Greater London, England, United Kingdom
seamlessly integrated into our operations. Job Responsibilities Oversee and manage a team of data scientists responsible for developing predictive models, prompt-based LLM solutions, autonomous agents and agentic systems. Lead the design, build, and deployment of impactful AI and data‐driven applications in collaboration with Product, Business and Engineering teams. ...

Managing Consultant - Data Science (Customer Data)

Location
Greater London, England, United Kingdom
highly skilled Managing Consultant with hands‐on experience, including at least 1-2 years in Generative AI (Gen AI) and Large Language Models (LLM) development and evaluation. The ideal candidate will have extensive experience in one (or more) of the following areas: customer behaviour analytics, marketing, commercial, web, or product ...

Applied AI Engineer

Location
East Midlands, England, United Kingdom
Server REST APIs Microservices Docker What we're looking for Strong commercial experience developing backend applications in C# and .NET. Experience integrating AI or LLM technologies into production software. Understanding of RAG, embeddings, prompt engineering and vector search. Experience building scalable cloud-based applications using Azure. A genuine interest ...

Full Stack Developer

Location
Hinxton, England, United Kingdom
experience (Docker or similar) and orchestration (e.g. with kubernetes) Experience processing of biological archive data Tests and CI/CD Curiosity or experience with LLM APIs, agent frameworks, MCP, or retrieval-augmented systems - we are actively building in this space and welcome enthusiasm here even without prior production experience Contract ...

Full Stack Developer

Location
Cambridge, England, United Kingdom
experience (Docker or similar) and orchestration (e.g. with kubernetes) Experience processing of biological archive data Tests and CI/CD Curiosity or experience with LLM APIs, agent frameworks, MCP, or retrieval-augmented systems - we are actively building in this space and welcome enthusiasm here even without prior production experience Contract ...

Applied AI Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
Nottingham, Nottinghamshire, East Midlands, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£80,000
Server REST APIs Microservices Docker What we're looking for Strong commercial experience developing backend applications in C# and .NET. Experience integrating AI or LLM technologies into production software. Understanding of RAG, embeddings, prompt engineering and vector search. Experience building scalable cloud-based applications using Azure. A genuine interest ...

Senior Vice President, Full-Stack Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, London, United Kingdom
Employment Type
Permanent
computer science or a related discipline, or equivalent work experience required; advanced degree preferred Strong hands-on experience with Python, ML frameworks, and LLM/GenAI tooling. Strong hands-on experience with AI Development tools like Claude CLI, Windsurf Solid understanding of the ML lifecycle; exposure to model risk ...

Senior Vice President, Full-Stack Engineer

Location
Westminster, West End, United Kingdom
computer science or a related discipline, or equivalent work experience required advanced degree preferred Strong hands-on experience with Python, ML frameworks, and LLM/GenAI tooling. Strong hands-on experience with AI Development tools like Claude CLI, Windsurf Solid understanding of the ML lifecycle exposure to model risk ...

AI Engineer

Location
Greater London, England, United Kingdom
comfortable diving into challenging, ambiguous projects with support. If needed capable and willing to obtain Government Security Clearance Nice to Have AI/LLM integration experience (APIs, RAG, tool calling, agent frameworks, hosted or local inference). Background improving legacy systems through testing, refactoring, and reducing technical debt. Breadth across ...

Senior Backend Engineer

Location
Greater London, England, United Kingdom
designed Time spent at a startup or scaleup (roughly 30 to 100 people), not exclusively large corporate environments Hands‐on experience shipping AI or LLM features to production: agentic workflows, RAG, or tool use Strong SQL and solid experience with PostgreSQL or an equivalent relational database A genuine preference ...

Lead Forward Deployed Engineer (UK)

Location
Greater London, England, United Kingdom
environments Ability to navigate complex technical and organizational environments independently Strong communication and problem-solving skills Nice To Have Familiarity with Generative AI systems, LLM applications, AI infrastructure, or model deployment workflows Experience working in financial services, healthcare, government, or other regulated industries Familiarity with enterprise security, governance, compliance ...

Data Solution Architect

Location
Milton Keynes, England, United Kingdom
ingestion frameworks and integration patterns across enterprise systems Define and implement BI and Agentic BI architectures using Snowflake Cortex, Snowpark, AWS Bedrock, SageMaker and LLM technologies Develop architecture patterns for Retrieval Augmented Generation (RAG), vector search, semantic layers, knowledge graphs and enterprise AI assistants Establish governance, security, data quality ...

Lead Software Engineer

Location
City Of London, England, United Kingdom
other modern frameworks Infrastructure: AWS (including Lambda, S3, DynamoDB), DigitalOcean Data: MySQL, Redis, NoSQL stores Dev tools: GitHub, CI/CD, Docker AI & Automation: LLM APIs, vector databases, agentic workflow tools, n8n, Claude Code, Cursor Who we’re looking for 5+ years of software engineering experience, with a strong track ...

Application Security Engineer

Location
Greater London, England, United Kingdom
platform remains both powerful and trustworthy The opportunity is massive: you’ll help define how enterprise AI applications are secured, from threat modeling our LLM architectures to building automated security controls that scale across our growing platform This isn’t about saying “no”—it’s about finding creative ways ...