76 to 100 of 129 LLM Jobs in the City of London

want to build production-grade AI agents with real commercial impact? Have you taken LLM systems from prototype to secure, scalable production? Are you ready to shape the ML foundations of an AI-first insurer? A digitally-led UK specialist insuretech (200–300 employees) is undergoing a major AI transformation … lead the engineering of AI agents, influence architecture and define ML engineering standards across the platform. Key Responsibilities • Build and operate production-grade LLM-powered agents on GCP • Design and scale robust RAG pipelines (ingestion, chunking, vector search) • Integrate ML systems with policy, claims and CRM platforms via REST APIs ...

Staff Applied Scientist (NLP/Machine Learning) London (Hybrid – 2 days onsite) An innovative AI-first technology company is looking for a Staff Applied Scientist to take a technical leadership role in building advanced machine ...

want to work on LLM systems that ship to real users, not just papers? Have you published at top AI venues and want to build in industry full time? Are you ready to join a small, elite team with a genuinely high technical bar? A fast-scaling, YC-backed LegalTech … production GenAI systems: improving retrieval, reasoning quality, grounding, evaluation, and system robustness across large, complex document corpora. Key responsibilities Build and iterate on LLM + RAG pipelines over technical/legal documents Design evaluation methods to improve correctness, faithfulness, and reliability Improve retrieval quality (chunking, ranking, metadata strategies, failure analysis ...

embeddings and conversational agents Create data foundations supporting decision engines, reinforcement learning and value measurement Partner with AI engineers to operationalise pipelines for LLM workflows and agentic systems Standards, Documentation & Reusability Produce clear documentation for data models, schemas, ontologies and lineage Codify semantic ETL patterns and reusable modelling templates Contribute … SHACL validation or ontology tooling Semantic ETL and ontology mapping pipelines Knowledge graph construction, enrichment and query patterns Experience operationalising pipelines for AI systems, LLM workflows or retrieval ecosystems Familiarity with modern data tooling and platform engineering practices Comfortable working in iterative consulting delivery environments with evolving requirements Behavioural Attributes ...

About us If you are looking to join an independent and impartial treasury and risk management consultancy, PMC is your solution. Established for over 34 years, we offer expert advice and practical solutions to financial ...

Senior Machine Learning Engineer — Ranking & Recommendations Tech Stack: Python, GCP, BigQuery, dbt, modern ML frameworks, LLMs, embeddings, RAG Salary: £110,000 – £130,000 plus 8% bonus Contract: Permanent, full-time Location: London, 3 days per ...

At Synthesis we push the boundaries of what’s possible with Open Data. It’s a fast-paced, rapidly-changing environment at the intersection of data science, cultural analysis & brand consultancy. As a Senior Data ...

Job Description AI Engineer Location Erskine, Newcastle, Farnborough or London Candidates are required to be eligible for clearance DXC Technology (DXC: NYSE) is the worlds leading independent, end-to-end IT services company, helping clients ...

Role: AI Engineer Location: London Salary: £70-£80k I’m currently partnering with an innovative financial services company that’s looking to hire a hands-on AI Engineer to work directly with clients and take ...

productivity across all teams. Build AI-enhanced developer workflows, coding assistants, and automation systems. Develop and maintain customer-facing AI support pipelines and production LLM systems. Architect and scale Retrieval-Augmented Generation (RAG) systems for large knowledge bases. Design and orchestrate agent and multi-agent architectures for complex task execution. … performance. Fine-tune domain-specific LLMs and continuously improve model performance. Build and maintain workflow automation pipelines using tools like n8n and LangChain. Implement LLM observability and monitoring across production systems. Continuously evaluate emerging models, frameworks, and AI tooling to keep the company at the cutting edge. What ...

White Collar Factory (95009), United Kingdom, London, London Lead Data Scientist - Deep Learning Practitioner About this role Our Data Science team focuses on the development of Machine Learning and Deep Learning solutions, to solve business ...

want to build a predictive AI platform that surfaces opportunities before clients even know they exist? Have you led end-to-end delivery of LLM/RAG/agentic systems in production? Ready to become the technical owner of an intelligence engine at an early-stage startup? A high-growth … ownership, deep technical scope and the chance to define the product from the ground up. The Lead AI Engineer will architect and productionise advanced LLM/RAG systems, design agentic workflows, own evaluations and guardrails, and integrate AI modules into a scalable enterprise-grade platform. You’ll collaborate with domain ...

Senior AI Research Engineer (LLMs/AI Systems) | London | £200K–£300K We’re hiring a Senior AI Research Engineer to work on large-scale AI systems deployed in production. The role sits between research and ...

Senior Research Engineer – Production AI Systems London | In-office | Up to £300k base + significant equity About Our Client Our client is a very well-funded AI startup solving some of the hardest problems in ...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to ...

Senior Backend Engineers to join our engineering team. You'll work on challenging problems across our platform, from building sophisticated data processing pipelines and LLM-powered features to creating core application functionality that serves our users directly. Our tech stack center’s on Go microservices, with Temporal workflows, MongoDB … REST APIs, and comprehensive observability with GrafanaCloud. Depending on the team, you might focus on our Investigations domain (web scraping, data provider integrations, LLM-powered analysis) or our Core App (user journeys, features, and configuration). Both are critical to our platform and offer unique technical challenges. What ...

🚀 𝗖𝗹𝗼𝘂𝗱 𝗕𝗮𝗰𝗸𝗲𝗻𝗱 𝗘𝗻𝗴𝗶𝗻𝗲𝗲𝗿 (𝗣𝘆𝘁𝗵𝗼𝗻/𝗔𝗪𝗦/𝗞𝘂𝗯𝗲𝗿𝗻𝗲𝘁𝗲𝘀) 🚀 📍 London (Hybrid) 📅 ASAP - End May 💰 Competitive Day Rate – Outside IR35 We’re supporting a highly PE-backed Professional Services organisation building cloud-native, AI-enabled applications within ...

🚀 Cloud Backend Engineer (Python/AWS/Kubernetes) 🚀 📍 London (Hybrid) 📅 ASAP - End May 💰 Competitive Day Rate – Outside IR35 We’re supporting a highly PE-backed Professional Services organisation building cloud-native, AI-enabled applications within ...

passionate about applying the latest advancements in LLMs to create user-centric products. In this role, you will stay on top of the latest LLM trends, build evaluation frameworks for AI features, and apply your knowledge with a product-oriented focus. You will be an integral part of the founding … work will be pivotal in scaling Granola to its next 100x growth milestone. In this role, you will: Own the development and application of LLM-based features end-to-end Build and maintain evaluation frameworks for prompt iteration and semantic retrieval Optimize embeddings and vector stores for performance and scalability ...

live in. 🛠️ Requirements 3+ years TypeScript and React experience, building both frontends and backends with Next.js, Tailwind CSS, ShadCN and similar Production experience building LLM-powered interfaces (LangGraph, Vercel AI SDK or similar): chatbot UIs, agentic dashboards, streaming responses, and human-in-the-loop workflows Experience with observability and debugging … production LLM systems (LangSmith, Datadog, Sentry and similar) Strong UX sensibility - understands how to design for trust and clarity in AI-driven systems: real-time status indicators, structured LLM outputs, editable AI responses, and graceful fallbacks Strong RAG experience; structuring unstructured data and making it queryable and actionable by LLMs. ...

systems . The Role You'll work on the core AI systems powering the platform, including: • Improving search relevance and ranking (precision & recall) • Designing LLM-powered NLP pipelines • Developing language models and NLP systems for production • Building and optimising large-scale search infrastructure • Developing agentic LLM workflows for complex research ...

impact! Their ideal candidate will have a software engineering background who is now an AI Engineer working with LLMs You will: Design and build LLM-powered applications Develop Python-based microservices Build AI agents and workflows Integrate models into production systems Work on multiple client projects Lead delivery on some … engagements Review code and mentor engineers Requirements: At least 3 years enterprise experience Proficiency in LLM integration into applications, deployment and product ionisation Proficiency with python Having built microservices If you are interested in this or other AI Engineering positions, please contact Gilad Sabari @ gilad.sabari@xcede.com ...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to ...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to ...

We believe in better. And we make it happen. Better content. Better products. And better careers. Working in Tech, Product or Data at Sky is about building the next and the new. From broadband to ...