76 to 100 of 535 LLM Jobs in the UK

Head of Engineering

Hiring Organisation
Explore Group
Location
London Area, United Kingdom
scalable API platforms. Key Responsibilities Own the technical strategy and execution across the company’s core products, including real-time APIs, data pipelines, and LLM-powered analytics. Collaborate closely with Product and Data Science to deliver a forward-thinking technology roadmap. Lead, mentor, and scale a high-performing engineering team ...

Senior QA Lead 6-12 months £500 - £550 Inside IR35 Fully Remote

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
modern TypeScript-based applications Understanding of semantic/graph data (e.g., RDF triples, SPARQL , Amazon Neptune ) Ability to validate AI-supported features, including LLM/RAG behaviours via Amazon Bedrock Knowledge of performance testing for serverless architectures and WCAG 2.2 AA accessibility Familiarity with GDS Standards and testing ...

Deep Learning Engineer

Hiring Organisation
Humanoid
Location
London Area, United Kingdom
good” looks like, ensure diversity/coverage, and close the gap between sim and real. Run pre-/mid-/post-training on multimodal LLM/VLM/VLA stacks; plug in new modalities (vision, audio, proprioception, LiDAR/point clouds, ...) without breaking existing ones. Build and maintain continuous ...

GenAI & Agentic Commerce Engineer

Hiring Organisation
Accenture
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
agentic commerce solutions for our clients. Develop GenAI and Agentic experiences across the commerce lifecycle, for example: conversational AI, AI-powered search, and LLM-based discovery and checkout. Use and integrate generative AI content creation tools to enhance product descriptions, imagery and personalised content Work with our functional teams ...

Full stack engineer | AI Agent

Hiring Organisation
Diligent
Location
London, England, United Kingdom
core platform, working closely with enterprise customers, as well as building new zero-to-one initiatives. What we expect Within days: Translate novel LLM capabilities into understandable, intuitive and performant end-user experiences. Release your first code, we believe in the “You Build It, You Run It” principle Work directly ...

Data Scientist

Hiring Organisation
InfinityQuest Ltd,
Location
Uxbridge, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £500 per day Inside IR35
Description:- We are seeking a highly skilled Data Scientist AI to design, develop, and deploy advanced machine learning and artificial intelligence solutions. The ideal candidate will work on large datasets, build predictive models, and collaborate ...

Data Engineer

Hiring Organisation
Coforge
Location
Waterside, England, United Kingdom
Job: Data Engineer Key skills: AI to design, develop, and deploy, machine learning and artificial intelligence Experience : 12+ years Location : Waterside, UK Job Type: Permanent (Full time) We at Coforge are seeking “ Data Engineer ” with ...

Lead AI engineer

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £110,000 per annum
Getting hands-on with design decisions, code reviews and best practices. Working closely with product and design to turn ideas into real solutions. Evaluating LLM performance, tuning prompts and improving model safety. Helping shape the company's GenAI and agentic AI strategy. Benefits Salary up to £110,000 Hybrid working ...

AI Engineer T1 VC-backed AI Start-up London

Hiring Organisation
Harmonic Group Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£150,000 - £200,000 per annum
services and APIs, working with Postgres databases and production infrastructure. Research and implement advanced prompt engineering techniques to maximise the effectiveness and reliability of LLM-driven systems. Work closely with the founding team to translate product ideas into practical, scalable AI solutions. Ship quickly, gather customer feedback, and iterate relentlessly ...

Head of Engineering

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum
Architect, enhance, and scale systems that handle enormous search datasets and sophisticated distributed processing. Play a key role in defining how the industry navigates LLM-driven search across platforms like Google, ChatGPT, Perplexity, Gemini, and others. Advance AI-enhanced development practices within a company already operating at the forefront ...

AI Backend Engineer - Data & Integration

Hiring Organisation
Digital Iron
Location
Belfast, Northern Ireland, United Kingdom
requests into multi-step workflows. Build tool functions agents invoke: graph queries, customer API calls, inventory checks, order placement. Implement GraphRAG systems that ground LLM responses in structured graph data to prevent hallucination on critical fitment recommendations. What We're Looking For Graph & Semantic Systems Experience with graph databases (Neptune ...

CTO

Hiring Organisation
Leo Technology
Location
Petersfield, Hampshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
technical leadership experience in a start-up or scale-up ( ideally from Seed to Series A) Hands-on expertise with OpenAI integrations or other LLM-based solutions Technical experience with Node.js, Python, and SQL Experience with API design and development for both internal and external use cases Knowledge ...

Software Developer

Hiring Organisation
Experis
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£380 - £381 per day
coding assistants like GitHub Copilot or Cursor Exposure to NHS Front-End Design System or similar design systems Interest in exploring AI/LLM concepts (e.g., prompt engineering, context engineering ...

Head of Engineering

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£80,000 - £150,000 per annum
business experimenting at the edges. The company is already well ahead of the curve, building new products at the intersection of search intelligence and LLM-driven platforms such as ChatGPT and Gemini. Engineering is genuinely modern AI is embedded into both product and development workflows, with around 70% of code ...

AI Engineer

Hiring Organisation
Akixi
Location
United Kingdom
solutions integrated into Akixi’s SaaS analytics platform. Prototype, develop, and integrate AI-driven components such as chatbots, voice assistants, ML models, and LLM-based analytics. Apply prompt engineering and model-tuning techniques to optimize chatbot and LLM behaviour. Conduct research, proof-of-concepts, and feasibility studies for emerging …/ML or data-driven product development. Proven expertise in developing and integrating AI solutions such as chatbots, voicebots, ML models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI ...

AI Engineer

Hiring Organisation
esure Group
Location
Reigate, Surrey, England, United Kingdom
Employment Type
Full-Time
Salary
£0 per annum
including MLOps, CI/CD pipelines, UI, and AI Python libraries. Develop prompts, fine-tune models, and track results. Evaluate third-party GenAI and LLM technologies for cost-benefit analysis. Deliver projects from scoping and R&D to production deployment and benefit measurement. Follow and contribute to standards for code … Git. Exposure to LLMOps, model monitoring principles, CI/CD and associated tech, e.g., Docker, MLflow, k8s, FastAPI etc. Knowledge of Langchain, huggingface and LLM offerings by 3rd party vendors. Knowledge of OO programming and software design, i.e., SOLID principles. Knowledge and working experience of AGILE methodologies. Familiarity with Databricks ...

AI / GenAI Engineer – Investment Banking / Capital Markets

Hiring Organisation
Caspian One
Location
London Area, United Kingdom
Overview: As we move into 2026, we have multiple opportunities with leading global financial services institutions based in the UK. These roles offer more exposure to cutting-edge technologies and projects within fast-paced environments ...

Junior AI Evaluator (STEM Graduate)

Hiring Organisation
Brightest Byte Hiring
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 30 Hourly
LLMs), and you will assess model-generated responses across diverse topics to ensure they are accurate, well-reasoned, and safe. Evaluate Response Quality: Assess LLM-generated responses to ensure they effectively answer user queries. Rigorous Factchecking: Use trusted public sources to verify claims and spot "hallucinations" (factual errors). Analyze ...

Junior AI Evaluator (STEM Graduate)

Hiring Organisation
Brightest Byte Hiring
Location
London, United Kingdom
Employment Type
Part Time
Salary
£30.00/hour
LLMs), and you will assess model-generated responses across diverse topics to ensure they are accurate, well-reasoned, and safe. Evaluate Response Quality: Assess LLM-generated responses to ensure they effectively answer user queries. Rigorous Factchecking: Use trusted public sources to verify claims and spot "hallucinations" (factual errors). Analyze ...

Junior AI Evaluator STEM Graduate

Hiring Organisation
Get Staffed Online Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£30.00 per hour
LLMs), and you will assess model-generated responses across diverse topics to ensure they are accurate, well-reasoned, and safe. Evaluate Response Quality: Assess LLM-generated responses to ensure they effectively answer user queries. Rigorous Factchecking: Use trusted public sources to verify claims and spot "hallucinations" (factual errors). Analyze ...

Senior NLP Engineer (London)

Hiring Organisation
Glite Tech
Location
City of London, London, United Kingdom
monitoring models in production Strong understanding of neural networks, CNNs, RNNs, LSTMs, and transformers Experience building automated data pipelines Hands-on experience with LLM tooling and libraries (e.g., Hugging Face Transformers/PEFT, tokenisers, spaCy or similar) Experience shipping NLP systems: prompt engineering, fine-tuning (e.g., LoRA/PEFT), vector ...

Senior Developer

Hiring Organisation
Tiro Partners Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £550 per day
Strong background in Java programming and modern Java frameworks Proven experience with AI technologies such as: Claude Code, GitHub Copilot, MCP (Model Context Protocol), LLM (Large Language Models) Track record of implementing AI solutions in production environments Experience working in financial services (desirable) Strong collaboration and communication skills What ...

esearch (Systems) Engineer

Hiring Organisation
Microtech Global Ltd
Location
Edinburgh, Midlothian, Scotland, United Kingdom
Employment Type
Permanent
distributed systems, operating systems,machine learning systems architecture, Inference serving, and AI Infrastructure. Hands-on experience withLLM serving frameworks(e.g.,vLLM,Ray Serve,TensorRT-LLM,TGI) anddistributed KV cache optimization. Proficiency inC/C++, with additional experience inPythonfor research prototyping. Solid grounding insystems research methodology,distributed algorithms, andprofiling tools. Team ...

AI Architect

Hiring Organisation
Empresaria UK Ltd
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £650/day OUTSIDE IR35
architecture , particularly in designing and implementing end-to-end AI solutions in a commercial environment (not limited to just LLMs). LLM Focus: Solid understanding of RAG patterns, model orchestration, prompt design, and guardrails . Platform Flexibility: Experience evaluating and implementing model families across Azure and non-Azure environments. Broad ...

Senior Deep Learning Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Permanent
years in deep learning (shipped models, research papers, or major OSS). Domain Depth: Hands-on expertise in VLMs , Diffusion/Generative Video , or LLM Pre-training . Frameworks: Mastery of Python and PyTorch or JAX . Systems: Experience with distributed training and complex numerical debugging. Randstad Technologies ...