26 to 50 of 66 LLM Jobs in the City of London

never been properly digitised. Small team, hard problems, early stage. You'll own features end to end with no PM layer - AI systems, LLM integration, greenfield product built for real-world, high-stakes environments. Team backgrounds include Imperial, Oxford, Carnegie Mellon and Goldman Sachs - they hire to that standard. 5+ ...

burden of obesity, diabetes, and cardiovascular disease at scale. You’d lead complex feature work on a high-traffic app, integrate AI/LLM capabilities (including conversational experiences) to support behaviour change alongside medication, and help shape the engineering culture in a senior-heavy, high-agency team. FAQ's Salary ...

High ethical standards; interest in AI is a plus. Perks of Freelancing with Turing: Opportunity to work on cutting-edge AI projects with leading LLM companies. Competitive compensation. Flexible, fully remote work arrangement. Learn how to use AI to advance the legal field. Offer Details: Commitment: Flexible ...

want to build production AI systems that major enterprises actually rely on? Have you taken LLM applications beyond prototypes and into real-world deployment? Are you ready to work with cutting-edge AI tooling while solving complex enterprise problems? A global AI and data consultancy is hiring a Senior … functional delivery squads alongside data scientists, engineers, and platform specialists. Role Summary This is a hands-on engineering role focused on designing and deploying LLM-powered systems in production environments. Engineers work across multiple enterprise engagements, typically lasting around nine months, building AI applications that solve real operational problems. ...

Trainee AI Programmer – No Experience Needed Future-proof your career in Artificial Intelligence – starting today. Looking for a career change? Currently employed but want something better? Or maybe you're between jobs and ready for ...

GenAI Full Stack Engineer Location: London (Hybrid, 2 days per week in office) Salary: £45,000 to £55,000 + Benefits Type: Permanent About the Company We are partnering with a leading digital transformation and ...

Founding AI Software Engineer | Global Media | London/Yorkshire | The Opportunity Join a newly formed AI team acting as an internal incubator for a highly established, global media and technology group. We are reinventing how ...

excel in a dynamic, high-energy environment. Join our team and help shape the future of Vision AI. 🌎 Location and Legalities This full-time LLM Engineer position is based onsite in our brand-new Ultralytics office in London, UK. Applicants must have legal authorization to work … Ultralytics does not provide visa sponsorship. 🚀 What You'll Do As an LLM Engineer at Ultralytics, you will spearhead the development and integration of advanced language model capabilities across our ecosystem. You will work on cutting-edge projects that merge the power of Large Language Models (LLMs) with our state ...

stack developer AI & Modern Development Practices (Required) Experience using AI coding tools or assistants in day-to-day development Understanding of large language model (LLM) fundamentals and limitations Desirable Exposure to cloud platforms (e.g. AWS, GCP, Azure) Experience with CI/CD pipelines and infrastructure as code Senior Full Stack ...

solving real-world problems with measurable social impact. The Role As a Senior AI Engineer, you’ll design, build and deploy advanced NLP and LLM-based solutions, taking models from research through to production. You’ll work closely with AI, data, MLOps and product teams to translate business and regulatory … role for someone who enjoys owning outcomes, balancing experimentation with real-world delivery. What You’ll Be Doing Designing and developing NLP and LLM-driven solutions for complex, real-world use cases Fine-tuning and adapting foundation models using domain-specific data Building evaluation frameworks, prompt testing tools and data ...

leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama, and tools like Ollama. Cloud Platforms: Proficiency … Orchestration: Hands-on experience with Docker, Kubernetes, and Docker Compose. Infrastructure as Code (IaC): Exposure to tools like Terraform. Monitoring Tools: Familiarity with LLM monitoring tools like Langsmith, Langfuse, or similar. CI/CD: Experience with continuous integration and deployment tools such as GitLab, GitHub, or Jenkins. Vector Databases: Experience ...

solutions. Build and operate scalable, production-grade ML systems. Work closely with Product and Engineering to take concepts through to launch. Apply ML and LLM techniques pragmatically, balancing speed, quality, and impact. Requirements 4+ years experience building and running production ML systems end to end. Strong Python and SQL skills … experience working with large datasets in the cloud. Hands-on experience with LLM-based systems (e.g. RAG, agentic workflows, NLP). Strong product and systems thinking with a practical, impact-led mindset. Nice to Have AWS experience (e.g. SageMaker, Bedrock, Lambda, S3, Redshift). Familiarity with MLOps practices. Background ...

Solution Architect | Cloud, AI & Transformation | Financial Services A leading global professional services firm is expanding its Financial Services Tax Transformation function, with a major focus on AI adoption and technology-led innovation across the practice. ...

Lead Data Architect - Azure/CPG Industry Fractal is a strategic AI partner to Fortune 500 companies with a vision to power every human decision in the enterprise. Fractal is building a world where individual ...

AI Engineers – Build What Others Only Talk About We have partnered with a market-leading, global energy software business that’s assembling an elite AI “Spark Team” . The Mission Design and deliver cutting-edge ...

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 ...

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 AI Engineer (Series A AI Startup) London, UK (Hybrid) We’re partnering with a well-funded Series A AI startup building the next generation of AI agents and Digital Workers for enterprise. This is ...

Java/Microservices/API design/LLMs/AI/Claude Code/Copilot Role: Senior Software Engineer Company: Financial Services Location: London - Hybrid 3 days per week Salary: up to £120,000 Join ...

optimize AWS-based data and AI infrastructure, ensuring secure, performant, and cost‐efficient ingestion, transformation, and storage. Develop, finetune, benchmark, and evaluate GenAI/LLM models, including custom training and inference optimization. Implement and maintain RAG pipelines, vector databases, and document-processing workflows for enterprise GenAI applications. Build reusable frameworks …/GenAI integration. Hands‐on expertise with AWS services (S3, Glue, Lambda, EMR, Bedrock/custom model hosting). Practical experience with GenAI/LLM model creation, finetuning, benchmarking, and evaluation. Solid understanding of RAG architectures, embeddings, vector stores, and LLM evaluation methods. Experience working with structured and unstructured datasets ...

architecture, ship production-grade AI systems, and work directly on a product already gaining serious traction with enterprise clients. Key points: Build and scale LLM-powered features across large, complex datasets Design retrieval + reasoning systems for structured & unstructured data Own end-to-end delivery of production AI applications Work … closely with product + domain experts in a fast-moving team What they want: ~10+ years engineering experience Strong hands-on GenAI/LLM experience in production Solid backend skills (Python or similar) Proven ownership of complex systems Package: Up to £130k base + equity London (Victoria) – Hybrid High ownership ...

If you’re looking for a comfortable 9 to 5, something well established, structured, and where you’re told exactly what to do, this won't be for you. But if you want to build ...

Cloud & Engineering Instructor Global Consulting Firm 📍 London, Hybrid 💰 Up to £100k Most engineering education still teaches people how systems used to be built. This role is about teaching how they’re built now — and where ...

Python Skills: Deep experience building and shipping AI solutions. Production Experience: A history of shipping algorithms and/or evaluation pipelines into live environments. LLM Mastery: Practical experience with prompt engineering and modern LLM architectures. Technical Versatility: Familiarity with the full stack (Postgres, TypeScript, React). Clear Communication: Ability ...

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 ...