1,301 to 1,325 of 2,331 LLM Jobs in London

Senior AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £120,000 per annum
team focused on developing and deploying advanced generative AI solutions. Specifically, you can expect to be involved in the following: Building and deploying LLM-powered applications from prototype through to production Fine-tuning large language models for specific use cases and content requirements Designing, curating, and managing datasets for model … across text, image, and audio SKILLS AND EXPERIENCE The successful Senior AI Engineer will have the following skills and experience: Strong commercial experience building LLM or NLP-based systems Hands-on experience with platforms such as OpenAI, Claude, Gemini, Cohere, Mistral, or Hugging Face Expertise in fine-tuning techniques, including ...

AI Engineer IRC302970

Location
Greater London, England, United Kingdom
role, you will be responsible for designing high-performance multi-agent systems, establishing robust evaluation standards, and mentoring other engineers to build production-grade, LLM-backed applications. Requirements 5+ years of software engineering experience, including hands-on experience shipping agentic or LLM-backed systems that are used in production. What ...

Cyber AI Engineer - Remote

Hiring Organisation
CBSbutler Holdings Limited trading as CBSbutler
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£400 - £425/day
title: Cyber AI Engineer - OpenAI/LLM/RAG Location: Remote Rate: £400 - £425 per day Contract: 6 months rolling Candidates must be willing and eligible to go through SC security clearance for this role. Want to work at the intersection of Generative AI and Cyber Security? We're looking … cases into secure, measurable and technically viable AI solutions. Responsibilities: Designing and developing OpenAI-powered solutions for cyber security operations Building and integrating LLM, Generative AI and RAG solutions Developing AI assistants, copilots and agentic AI workflows Experimenting with multi-agent orchestration and knowledge retrieval Developing AI solutions using Python ...

Senior Machine Learning Engineer (Maternity Leave Cover)

Location
Greater London, England, United Kingdom
learning models on complex, multi-source datasets from local authorities. You will engineer high-performance training pipelines, build embedding-based and sequence models, implement LLM and RAG workflows, and develop containerised model services that integrate directly into the OneView platform. This includes hands-on work with model architectures, feature engineering … ensure accuracy, interpretability and alignment with client needs. Troubleshoot and resolve complex modelling and pipeline issues throughout delivery. AI engineering Build and integrate LLM based components including embedding pipelines, RAG workflows and text analysis models. Develop and deploy agentic and multicomponent AI systems using modern ML frameworks. Engineer high performance ...

Data Scientist III - LeapSpace

Location
Greater London, England, United Kingdom
Elsevier’s broader Search & AI Platform. The Platform Data Science organization works at the intersection of: Search and retrieval systems Generative AI and LLM applications AI evaluation and experimentation Semantic enrichment and knowledge systems Scalable AI platforms and intelligent workflows About the role We are looking for a Data Scientist … 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 responsibilities Applied AI & Research Develop and improve LLM ...

Computer Vision Engineer

Location
Greater London, England, United Kingdom
Job Title Senior AI Engineer - Machine Learning (Computer Vision) Location North London - hybrid Salary £650 per day outside IR35 Length 6 months About the Business Our client is a leading digital commerce organisation undergoing a ...

Computer Vision Engineer

Hiring Organisation
C4S Search Ltd
Location
London, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day
JOB TITLE Senior AI Engineer – Machine Learning (Computer Vision) LOCATION North London – hybrid SALARY £650 per day outside IR35 LENGTH 6 months ABOUT THE BUSINESS Our client is a leading digital commerce organisation undergoing a ...

Principal AI Security Software Engineer

Location
Greater London, England, United Kingdom
software engineering experience, including leading engineering teams technically and delivering complex, production quality systems at scale. Deep, current experience building agentic AI applications, including LLM orchestration, retrieval augmented generation, tool and function calling, MCP, memory, evaluation and agent harnesses, in Python or TypeScript. Demonstrable knowledge of Langgraph agentic development frameworks. … grounding in secure by default engineering, observability and production operability, with practical knowledge of AI security practices such as the OWASP Top 10 for LLM and Generative AI applications and OWASP guidance for agentic AI. We believe in equal opportunity for all and actively encourage applications from diverse backgrounds, experiences ...

AI Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £55,000 per annum
workflows Design prompts and safety guardrails Implement monitoring and CI/CD pipelines Collaborate with clients and technical teams Requirements 1-3 years deploying LLM/GenAI systems in production Strong Python skills Experience with cloud platforms Knowledge of RAG, vector databases, and LLM frameworks Git and CI/ ...

Remote Agentforce AI Maestro

Location
London, United Kingdom
Maestro to join our elite European advisory roster under Xenon7's flexible Maestro Model. This strategic, fractional role combines enterprise Salesforce architecture with advanced LLM engineering to lead high-level technical discovery, design agentic workflows, and oversee production deployments for enterprise clients across Europe. Rather than a standard full-time … routing, and instructions. Deterministic Logic Integration: Build robust back-end support using Salesforce Flow, Apex, SOQL, APIs, Named Credentials, and OAuth. B. Agentic AI & LLM Engineering Orchestration & Tooling: Implement tool/function calling, structured outputs, multi-step agent workflows, and prompt/context engineering. Architectural Trade-offs: Evaluate and determine ...

Senior Lead Software and Data Engineer - Agentic Commerce

Location
Greater London, England, United Kingdom
system design, application development, testing, and operational stability Show advanced proficiency in one or more programming languages, with Python required Architect and ship production LLM agents or multi-agent systems Design end-to-end ML platforms or MLOps pipelines Exhibit expertise in secure distributed systems, including identity, authorization, and service … frameworks such as MCP, A2A, AG-UI, Google ADK, or LangGraph Experience with agent payment and mandate patterns, or regulated workflows requiring auditable LLM output Experience with OpenFGA or OPA/Rego, service mesh technologies, and micro-VM isolation Experience with Databricks, MLflow, and model serving on Kubernetes, including ...

Applied AI ML - Payments Machine Learning (Associate)

Location
Greater London, England, United Kingdom
Responsibilities: Deliver machine learning and AI solutions for payments and banking operations, from discovery to production rollout Apply agentic engineering practices to build LLM-powered workflows and evaluate their quality, safety, and reliability Contribute to deployment workflows including containerization, CI/CD, automated testing, versioning, monitoring, and rollback procedures Develop … scalable and secure ML/LLM services integrated with strategic platforms and downstream consumers Partner with product, operations, risk and control, and technology teams to clarify requirements and deliver data-led improvements Build reusable components such as feature engineering pipelines, evaluation harnesses, and orchestration patterns Participate in code and design ...

Applied AI ML - Senior Associate

Location
Greater London, England, United Kingdom
Join us in redefining how artificial intelligence accelerates business impact. As an AI & Data Scientist, you have the opportunity to shape the future of workforce analytics and drive meaningful change. You'll collaborate with talented ...

AI Architect

Location
Greater London, England, United Kingdom
Location: London (Hybrid working, 3 office days per week) Employment Type: Permanent, Full Time Why Join Us? Annual bonus, cash car allowance and private medical insurance Shape and embed The AA’s critical data governance ...

AI Technical Platform Leader

Hiring Organisation
WTW
Location
London, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Everything we do within WTW Global Technology has a global focus at its heart. We aim to provide colleagues with consistent technology, experiences and operations wherever possible. The AI Technical Platform Leader will be crucial ...

Principal Data Engineer

Location
Greater London, England, United Kingdom
from model integration, prompt engineering and set the technical direction for how we ingest, transform, store, serve, and govern the data that powers our LLM-based and agentic systems. You'll build AI features that can be used in real-time. This will help business users use GenAI in their … clear track record of principal‐level technical leadership. Hands‐on experience building and shipping AI/ML products in production Deep practical experience with LLM‐based systems: RAG architectures, embedding pipelines, prompt and response logging, evaluation frameworks. Hands‐on expertise with vector databases, graph databases, and knowledge graphs ...

Senior Software Engineer - AI Products (SVP)

Location
Greater London, England, United Kingdom
About the Team The Enterprise AI Products team is a small, high-impact global team within the Citi COO/CTO organisation, dedicated to building innovative AI solutions for the wider bank. We are at ...

Senior Forward Deployed Engineer (AI)

Hiring Organisation
Liquidnet
Location
London, UK
Employment Type
Full-time
The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through ...

Senior Forward Deployed Engineer (AI)

Location
City Of London, England, United Kingdom
The TP ICAP Group is a world leading provider of market infrastructure. Our purpose is to provide clients with access to global financial and commodities markets, improving price discovery, liquidity, and distribution of data, through ...

Data Engineer

Hiring Organisation
WTW
Location
Greater London, United Kingdom
Employment Type
Full Time
/ELT workflows in Azure Synapse and Microsoft Fabric. Managing and organizing Data Lakes for seamless data access and high performance. Integrating AI/LLM models, Copilot agents, Power Automate flows, and wider Power Platform solutions into data pipelines and business processes to boost innovation and deliver actionable insights. Supporting … testing and validation of AI-enabled solutions, including Copilot agents and AI/LLM outputs, by checking results, documenting issues, and escalating risks where needed. Building and supporting automation workflows using Power Automate, Power Apps, and related Power Platform capabilities to streamline operational processes and improve data capture. Collaborating with ...

Senior AI Engineer

Location
Greater London, England, United Kingdom
Senior AI Engineer (Principal Consultant) Location: London (Hybrid) | Practice Area: Technology & Engineering | Type: Permanent Empower the next frontier of AI with Capco. Shape, build, and deliver future-ready generative systems. The Role We’re looking ...

Software Engineer, Agentic Systems Engineering - ThousandEyes

Hiring Organisation
CISCO Systems
Location
London, UK
Employment Type
Full-time
Meet the TeamCisco ThousandEyes is a Digital Experience Assurance platform that empowers organizations to deliver flawless digital experiences across every network—even those they don't own. Powered by AI and an unmatched set of ...

AI Engineer (AI Platform)

Location
Greater London, England, United Kingdom
Platform initiative and help define how agents are built, integrated and operated across the organisation Design and maintain standardised templates and reference implementations for LLM and Generative AI workflows, including prompt design, tool calling, multi-step agent flows, retries and failure handling Implement secure, governed access patterns for LLMs … systems in real-world environments Strong understanding of the end-to-end AI lifecycle, from experimentation through deployment and operation Practical understanding of production LLM or GenAI runtime concerns, including model access, routing, caching, token usage, cost optimisation and reliability High proficiency in Python and experience building APIs and service ...

Snr Product Manager for MCP Integrations

Location
Greater London, England, United Kingdom
products. Understanding of agentic AI patterns—tool chaining, multi‐step reasoning, autonomous decision‐making, and human‐in‐the‐loop workflows. Familiarity with AI/LLM ecosystems and agent frameworks (LangChain, CrewAI, AutoGen, Copilot Studio, or equivalent). Experience designing developer‐facing products—SDKs, documentation, reference implementations, and sandbox environments. Ability … work across ecosystem boundaries with external partners, developer communities, and platform providers. Preferred Exposure to MCP, function‐calling, or tool‐use patterns in production LLM applications. Background in financial services technology, capital markets workflows, or enterprise data integration. Experience with partnership or ecosystem development in a platform or marketplace context. ...

Staff Engineer (Defence)

Location
Greater London, England, United Kingdom
We are looking for a Staff Engineer to lead the technical delivery of complex software, data, and AI projects, focusing on the Defence sector. This role combines deep technical expertise with project leadership and client ...