1,401 to 1,425 of 2,419 LLM Jobs in the UK

Staff Applied AI Engineer

Location
Greater London, England, United Kingdom
these areas: Production Python Engineering: Strong Python skills, writing clean, testable, production‐quality code using AI coding tools fluently (Claude Code, Cursor, Codex). LLM & Agent Systems: Proven experience building LLM‐powered applications and agent pipelines in production environments. Context Engineering: Deep understanding of context pipelines, including chunking, embedding selection ...

Software Engineer - AI Accelerated Development

Hiring Organisation
Signant Health
Location
United Kingdom, UK
Employment Type
Full-time
Development to build AI-powered, agentic features into our clinical trial platforms. Working across the .NET stack, you will take AI capabilities from backend LLM integration through to a usable front-end — designing agents and agentic workflows, not just prompting a model. This is a hands-on engineering role … agentic workflows — tool-use/function calling, multi-step task orchestration, and agent loops — that power Signant Health's clinical trial platforms. Integrate LLM APIs (Anthropic, OpenAI, Bedrock, or Azure OpenAI) into .NET application code, handling authentication, streaming, error handling, and cost/latency tradeoffs. Deliver AI features ...

AI Evaluation Engineer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£700 - £750 per day
join a specialist Public Sector Technology team. This hands-on role focuses on building evaluation frameworks, tooling and harnesses for AI systems, particularly LLM and agentic AI solutions. The role requires ownership, experimentation and rapid delivery. Key Responsibilities Design evaluation frameworks and tooling Develop evaluation harnesses Evaluate model and agentic … agentic AI Experience with AI evaluation frameworks Ability to code independently Strong problem-solving and communication skills Comfortable working autonomously. Technical Experience AI/LLM Evaluation, RAG Evaluation, Ragas, Agentic AI Evaluation, Evaluation Harnesses, LLM Testing and Benchmarking, Prompt Engineering, Python Development, Model and Agent Integration. Ideal Background AI Evaluation ...

AI Evaluation Engineer

Hiring Organisation
TXP Technology x People
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 - £750.00 per day
join a specialist Public Sector Technology team. This hands-on role focuses on building evaluation frameworks, tooling and harnesses for AI systems, particularly LLM and agentic AI solutions. The role requires ownership, experimentation and rapid delivery. Key Responsibilities Design evaluation frameworks and tooling Develop evaluation harnesses Evaluate model and agentic … agentic AI Experience with AI evaluation frameworks Ability to code independently Strong problem-solving and communication skills Comfortable working autonomously. Technical Experience AI/LLM Evaluation, RAG Evaluation, Ragas, Agentic AI Evaluation, Evaluation Harnesses, LLM Testing and Benchmarking, Prompt Engineering, Python Development, Model and Agent Integration. Ideal Background AI Evaluation ...

Software Engineer III - LLM Suite Engineering - Senior Associate

Location
Greater London, England, United Kingdom
Help shape how intelligent systems are built and delivered at JPMorganChase. In this role, you’ll contribute to the LLM Suite platform by building AI/ML and agentic capabilities that are secure, reliable, and ready for production. You’ll collaborate closely with senior engineers, learn through real design discussions … enjoy solving tough problems and iterating quickly with feedback, you’ll fit right in. As a Software Engineer, Senior Associate, in the LLM Suite Engineering team, you will design, build, and troubleshoot software that enables AI/ML and agentic experiences on the platform. You will write secure, high-quality ...

Senior Manager - Application Security

Hiring Organisation
Miro
Location
London, UK
Employment Type
Full-time
testing, red teaming, bug bounty).Practical understanding of governance and assurance frameworks such as ISO 27001, SOC 2, and OWASP SAMM.Familiarity with AI/LLM tooling (e.g., Cursor, GitHub Copilot, custom LLM integrations) and the associated security and governance considerations. Experience working with AWS and securing API-driven, microservice-based ...

AI LLM Technology Architecture Associate Manager

Hiring Organisation
Hackajob Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
hackajob is partnering directly with Accenture to hire for this role. Job Role : AI LLM Architecture Associate Manager Location : Edinburgh, UK Salary : CompetitiveSalary +Package(dependenton experience) Accenture is a leading global professional services company, providing a broad range of services in strategy and consulting, interactive, technology and operations, with digital … work and live. It is personal to all of us. Julie Sweet, Accenture CEO As a team: We have exciting opportunities for a AI LLM Architecture Associate Manager to join our Data & AI practice, part of larger Cloud First Group. We deliver scalable, business critical and end-to-end solutions ...

AI LLM Technology Architecture Associate Manager

Hiring Organisation
Hackajob Ltd
Location
Livingston, West Lothian, UK
Employment Type
Full-time
hackajob is partnering directly with Accenture to hire for this role. Job Role : AI LLM Architecture Associate Manager Location: Edinburgh, UK Salary: CompetitiveSalary +Package(dependenton experience) Accenture is a leading global professional services company, providing a broad range of services in strategy and consulting, interactive, technology and operations, with digital … work and live. It is personal to all of us. Julie Sweet, Accenture CEO As a team: We have exciting opportunities for a AI LLM Architecture Associate Manager to join our Data & AI practice, part of larger Cloud First Group. We deliver scalable, business critical and end-to-end solutions ...

Lead Automation Engineer

Location
Leeds, England, United Kingdom
standards, reusable patterns and guardrails for building reliable, secure and supportable automations. The role increasingly draws AI into workflows as a step, such as LLM calls to classify, extract or summarise, working in close partnership with the AI Engineering team, which owns agents, LLM-powered applications, prompt engineering, evaluations … designed, tested, deployed, monitored and supported, including error handling, version control, environment separation and observability. Embed AI as steps within workflows, such as LLM calls to classify, extract or summarise, consuming capabilities and patterns provided by the AI Engineering team, and preferring deterministic automation where it is safer, simpler ...

Principal Software Engineer-AI

Location
Greater London, England, United Kingdom
evaluation frameworks Hands-on experience building AI/ML applications (RAG, agent frameworks, MCPs, skills, harnesses) and taking them to production or in platforming (LLM or MCP gateway, agentic runtime, auth, data retrieval, eval tooling) Experience running AI systems in production at scale, including observability, cost and capacity planning, regression … evaluation frameworks Hands-on experience building AI/ML applications (RAG, agent frameworks, MCPs, skills, harnesses) and taking them to production or in platforming (LLM or MCP gateway, agentic runtime, auth, data retrieval, eval tooling) Experience running AI systems in production at scale, including observability, cost and capacity planning, regression ...

Senior Backend Engineer, AI Engineering: Chat

Hiring Organisation
GitLab
Location
United Kingdom, UK
Employment Type
Full-time
Python backends, including APIs, data models, and asynchronous or long-running workloads. Practical experience designing and shipping AI-powered, agentic backend features, including large language model integration, tool or function calling, and multi-agent orchestration. You use sound judgment about large language model limitations and safe use in production. Working ...

Software Engineer III - AI/ML Platform

Location
Greater London, England, United Kingdom
provide an adventure where you can push the limits of what's possible. As a Software Engineer III at JPMorganChase within the Firmwide LLM Serving Platform team, you are an integral part of an agile team that designs, builds, and operates the services that make large language models usable … optimize performance — pushing down latency, increasing throughput, maximizing GPU utilization, and eliminating waste across the request lifecycle. Responsibilities Build core backend services for LLM inference, including request routing, batching, scheduling, streaming responses, and quota/limits. Implement and maintain APIs and SDKs used by product and application teams across ...

Manager, Lead Research Scientist, Training Data (Foundational Research)

Location
Greater London, England, United Kingdom
willing to roll up their sleeves and participate in designing, coding, conducting experiments, and translating findings into concrete deliverables. Our focus areas are:* LLM Training (Continued Pretraining, Instruction Tuning, Reinforcement Learning Alignment, Distributed Training, Efficient ML techniques)* Data-centric Machine Learning (Synthetic Data, Curriculum Learning, Learned datamixtures, etc.)* Post-training … systems in academia (e.g. through student supervision) or industry.* Extensive experience with deep learning and large-scale model training.* Extensive experience working with LLM training-data, ideally by being involved in the training of large-scale foundation models (e.g. startup, industry, or extensive opensource experience).* Strong software and/ ...

Data Scientist III - LeapSpace

Hiring Organisation
Elsevier
Location
London, UK
Employment Type
Full-time
well as Elsevier's broader Search & AI Platform. The Platform Data Science organization works at the intersection of: Search and retrieval systemsGenerative AI and LLM applicationsAI evaluation and experimentationSemantic enrichment and knowledge systemsScalable AI platforms and intelligent workflowsAbout the roleWe are looking for a Data Scientist III to help design … generation of AI-powered scientific discovery tools. This role is ideal for someone with hands-on experience in applied AI, NLP, information retrieval, and LLM-based applications, who enjoys building innovative solutions and translating emerging AI techniques into impactful product capabilities. Key responsibilitiesApplied AI & ResearchDevelop and improve LLM-powered research ...

AI Product Director

Location
Greater London, England, United Kingdom
surface actionable insights, shape AI‐ready datasets, identify data constraints and quality gaps, and unlock new product features through LLMs and NLP. Deploys LLM and agentic capabilities to improve engineering quality, delivery speed, and operational resilience, covering automated code review, standards enforcement, context‐aware development assistance, copilot‐delivered boilerplates, root … products in financial services. Vendor management experience including build‐versus‐buy analysis and integration strategy for third‐party AI/ML solutions (e.g., LLM providers, copilot platforms, AI orchestration frameworks, or agentic tooling), ideally including evaluating AI‐native vendors at various maturity stages. Familiarity with current AI industry developments, including ...

AI Product Director

Location
City of Westminster, England, United Kingdom
surface actionable insights, shape AI‐ready datasets, identify data constraints and quality gaps, and unlock new product features through LLMs and NLP. Deploys LLM and agentic capabilities to improve engineering quality, delivery speed, and operational resilience, covering automated code review, standards enforcement, context-aware development assistance, copilot-delivered boilerplates, root … products in financial services. Vendor management experience including build-versus-buy analysis and integration strategy for third-party AI/ML solutions (e.g., LLM providers, copilot platforms, AI orchestration frameworks, or agentic tooling), ideally including evaluating AI-native vendors at various maturity stages. Familiarity with current AI industry developments, including ...

Senior Software Engineer, Embedded UI

Location
United Kingdom
teams to create and implement new user experiences Adapt proof-of-concept solutions into production-ready, scalable implementations Leverage AI, machine learning, and large language model technologies to develop innovative platform features Investigate, diagnose, and resolve technical issues to maintain commercially viable solutions Contribute to API design decisions, understanding considerations … help someone be successful in this role at Roku? Extensive experience in a software engineering environment Demonstrated project work using AI/ML and LLM technologies Proficiency in scripting languages such as JavaScript, TypeScript, React Native, Python, BrightScript, or related technologies Experience working in an embedded environment Experience in productionising ...

Data Scientist II, RufusX Science UK

Hiring Organisation
Amazon
Location
London, UK
Employment Type
Full-time
We are looking for a passionate, talented, and inventive Data Scientist with a strong machine learning and analytics background to help build industry-leading language technology powering Rufus, our AI-driven search and shopping assistant ...

Forward-Deployed AI Engineer

Hiring Organisation
SR2
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£800.00 - £950.00 per day
retrieval capabilities Work with vector databases and/or knowledge graphs Develop agentic workflows and supporting harnesses Build evaluation frameworks and assess LLM/retrieval quality Integrate enterprise datasets Rapidly test, iterate and demonstrate solutions Work closely with architects, data specialists and client technical teams Experience required Strong hands …/LLM engineering experience RAG and retrieval architectures Agentic AI/workflows Strong software engineering capability across front and back end Azure and Azure OpenAI/OpenAI Experience taking AI prototypes from concept to working solution Comfortable independently owning a technical workstream in an ambiguous discovery environment Exposure to GraphRAG ...

Applied AI ML - Associate/VP

Location
Greater London, England, United Kingdom
Job Description We're looking for an Applied AI Scientist with strong machine learning experience to join our AI Technologies team. In this role, you'll help build practical machine learning and generative AI solutions ...

Senior AI Engineer, AI Lab

Hiring Organisation
167 Solutions Ltd
Location
London, United Kingdom
Employment Type
Permanent
small team exploring how generative AI might shape the future of our journalism. This role will focus on building and fine-tuning LLM-powered systems with a particular focus on editorial tone, style transfer, retrieval workflows, and multimodal generation (especially audio). You'll ship products from zero … Experience fine-tuning models for style or persona (e.g. chatbots with specific character voices) Exposure to LangSmith or similar observability tools for prompt/LLM testing Knowledge of voice synthesis, cloning, or emotion conditioning in audio pipelines Previous work in media, journalism, podcasting, or content production contexts Familiarity with multi ...

Lead Azure Databricks Platform Engineer / Architect

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £501 per day
/RStudio Migration Enhance the Databricks Discovery Zone to support migration from POSIT/RStudio Enable application deployment, secure API integrations, external data ingestion, LLM integration, scheduling, BI connectivity, local IDE-based development and operational reporting. Define reusable onboarding and migration patterns that reduce technology sprawl while improving security, supportability … migration or consolidation experience. Migration of analytical/data science workloads (convert and migrate R development/Libraries to Databricks). AI/ML, LLM integration, model lifecycle, RAG/vector retrieval or model-serving experience. Large-scale enterprise platform transformation and regulated-industry experience. Strong cost optimisation and FinOps ...

Senior AI Software Engineer

Location
Cambridge, England, United Kingdom
Siemens Digital Industries Software is a leading provider of solutions for the design, simulation, and manufacture of products across many different industries. Formula 1 cars, skyscrapers, ships, space exploration vehicles, and many of the objects ...

Senior Engineering Manager

Hiring Organisation
GitHub
Location
United Kingdom, UK
Employment Type
Full-time
About GitHubGitHub is the world's leading platform for agentic software development — powered by Copilot to build, scale, and deliver secure software. Over 180 million developers, including more than 90% of the Fortune 100 companies ...

Machine Learning Scientist

Location
Oxford, England, United Kingdom
Overview We’re AioiR&D Lab – an AItech hub in one of the fastest‐growing insurance companies. We research and develop AI systems that catapult insurance from a slow‐moving, traditional past into a data ...