26 to 50 of 91 LlamaIndex Jobs in England

Lead Technical Architect (AI)

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 76,000 - 85,000 Annual
essential, not just RAG in isolation: Semantic search, vector/embedding infrastructure, and retrieval architecture design LLM orchestration and agentic frameworks (eg LangChain/LlamaIndex-style tooling, multi-agent patterns) LLM evaluation, guardrails, and red-teaming tooling (hallucination detection, safety/bias testing) LLMOps/MLOps: model versioning, deployment pipelines ...

Senior AI Platform Engineer

Hiring Organisation
9fin
Location
London, United Kingdom
Salary
£ 80 K
being designed and built.Bonus PointsExperience with any of the following would be highly advantageous:AI gateways and model routingPrompt management platformsAI evaluation frameworksLangGraph, LangChain, LlamaIndex, DSPy, CrewAI or similar orchestration frameworksVector databases and semantic retrievalKnowledge graphs or document understanding systemsBuilding internal AI platforms used by multiple engineering teamsBenefitsWe ...

Senior AI Engineer

Hiring Organisation
PA Consulting
Location
London, United Kingdom
Salary
£ 80 K
hands-on with emerging technologies – exploring what works, what scales, and what’s next:Experimenting with Generative AI frameworks and tools such as LangChain, LlamaIndex, Hugging Face, and APIs from OpenAI and Anthropic.Building retrieval-augmented generation (RAG) prototypes with vector stores and knowledge graphs.Developing and testing agentic architectures through ...

Agentic Commerce Architect

Hiring Organisation
Accenture
Location
London, United Kingdom
Salary
£ 80 K
agentic AI systems — including LLM-powered application design, retrieval-augmented generation (RAG) architectures, and at least one agentic AI framework (e.g. LangGraph, LangChain, LlamaIndex, CrewAI) Experience designing and building data and context pipelines for AI systems — including embedding pipelines, vector databases, and semantic search applied to structured commerce data Familiarity ...

Senior AI Engineer

Hiring Organisation
PA Consulting
Location
Pimlico, Hertfordshire, UK
Employment Type
Full-time
hands-on with emerging technologies – exploring what works, what scales, and what's next: Experimenting with Generative AI frameworks and tools such as LangChain, LlamaIndex, Hugging Face, and APIs from OpenAI and Anthropic. Building retrieval-augmented generation (RAG) prototypes with vector stores and knowledge graphs. Developing and testing agentic architectures ...

Software Development Engineer III

Hiring Organisation
Capital Group
Location
London, United Kingdom
Salary
£ 100 K
another regulated enterprise environment. Experience with vector databases (for example pgvector, Pinecone, Weaviate, or Chroma) and agent or orchestration frameworks (for example LangChain, LlamaIndex, or the Model Context Protocol). Experience with MLOps/LLMOps tooling such as experiment tracking, model versioning, monitoring, evaluation/observability platforms, or CI/ ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval Augmented GenAI ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
Bristol, Gloucestershire, United Kingdom
Salary
£ 70 K
emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval Augmented GenAI ...

Associate Director, Data Science/Gen AI Lead - ER&I

Hiring Organisation
Deloitte
Location
Manchester, Greater Manchester, United Kingdom
Salary
£ 70 K
emerging LLM architectures.GenAI Frameworks & Platforms: Proficient with Data & AI platforms (Azure AI, Vertex AI, Databricks, Hugging Face), advanced GenAI frameworks (LangChain, HF Transformers, LlamaIndex) & Agentic architectures (LangGraph, SmolAgents, PydanticAI) Prompt Engineering: Deep prompt engineering & optimization skills for GenAI.Vector DBs & RAG: Designed solutions using vector DBs & Retrieval Augmented GenAI ...

AI Specialist

Location
Reading, England, United Kingdom
cross-functional teams and mentor others 7+ years software engineering experience 2+ years hands-on in AI/ML & GenAI solutions Experience with LangChain, LlamaIndex, CrewAI, or similar Knowledge of RAG, vector databases, and semantic search Experience with APIs, microservices, and cloud-native architecture Nice to Have AWS certifications ...

Senior AI Engineer - Consulting

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
proposals Candidates should have strong experience in AI Engineering, MLOps and cloud-native AI platforms, alongside hands-on knowledge of technologies such as LangChain, LlamaIndex, MLflow, Kubernetes, Docker and CI/CD tooling. Applicants will ideally demonstrate: * Experience working in a major Consulting firm, and/or in industry ...

AI/ML Data Engineer

Location
Swindon, England, United Kingdom
MySQL, Oracle, SQL, Postgres, RDS, Aurora, Athena or other similar large scale database technologies. Experience working with AI framework such as LangChain/LlamaIndex Experience with Vector databases (Pinecone, Weaviate, FAISS) This is an outline description of the key responsibilities and accountabilities involved in the job. This ...

Forward Deployment Engineer

Hiring Organisation
Barclays
Location
Knutsford, Cheshire, United Kingdom
Salary
£ 80 K
experience in AI/ML with experience developing and deploying solutions using LLMs, RAG architectures, and modern AI frameworks and protocols (Strands, FastMCP, LangChain, LlamaIndex, Hugging Face, A2A, MCP).Ability to translate multi-layered business problems into technical solutions with experience working directly with business stakeholders to understand requirements ...

AI Delivery Tech Lead (CL8)

Location
Greater London, England, United Kingdom
frameworks: LangGraph, LangChain, CrewAI, Agentforce or similar Foundation model providers: Claude Code/Codex/Gemini, OpenAI or AWS Bedrock Vector databases: Pinecone, Weaviate, LlamaIndex or pgvector Cloud platforms: AWS Bedrock, GCP Vertex AI or Azure AI Studio CI/CD for AI: version-controlled prompts, automated testing, deployment pipelines ...

AI Delivery Tech Lead (CL8)

Location
Greater London, England, United Kingdom
frameworks: LangGraph, LangChain, CrewAI, Agentforce or similar Foundation model providers: Claude Code/Codex/Gemini, OpenAI or AWS Bedrock Vector databases: Pinecone, Weaviate, LlamaIndex or pgvector Cloud platforms: AWS Bedrock, GCP Vertex AI or Azure AI Studio CI/CD for AI: version‐controlled prompts, automated testing, deployment pipelines ...

AI Delivery Tech Lead, Song Service

Hiring Organisation
Accenture
Location
London, United Kingdom
Salary
£ 80 K
frameworks: LangGraph, LangChain, CrewAI, Agentforce or similar Foundation model providers: Claude Code/Codex/Gemini, OpenAI or AWS Bedrock Vector databases: Pinecone, Weaviate, LlamaIndex or pgvector Cloud platforms: AWS Bedrock, GCP Vertex AI or Azure AI Studio CI/CD for AI: version-controlled prompts, automated testing, deployment pipelines ...

Data Scientist, Manager, Digital Innovation

Hiring Organisation
Deloitte
Location
London, United Kingdom
Salary
£ 80 K
Pandas, scikit-learn) and applying object-oriented programming principles to develop efficient, scalable solutionsHands-on experience experimenting with Generative AI (e.g. LangChain, Hugging Face, LlamaIndex).Experience working with Azure data & AI services such as Azure Machine Learning, Foundry etc.Practical experience working in Agile environments and contributing to sprints, stand ...

Machine Learning Research Engineer (Foundational Research)

Hiring Organisation
Thomson Reuters
Location
London, United Kingdom
Salary
£ 80 K
frameworks, benchmarking systems, or automated testing pipelinesHands-on experience with agentic workflows, tool-using AI systems, or multi-agent coordination (examples include: langgraph, AutoGPT, LLamaIndex)Experience with data-centric ML approaches including synthetic data generation, data curation, or curriculum learning pipelinesExperience training large-scale models over distributed nodes with cloud ...

Lead AI Engineer Python LLM - Tech Consultancy

Hiring Organisation
Client Server
Location
London, United Kingdom
Salary
£ 100 K
with advanced stakeholder communication, problem-solving and project management skills in Agile environmentsExperience with any of the following is advantageous: agentic frameworks (e.g., LangChain, LlamaIndex), deep learning frameworks, Langfuse, Langsmith, MCP (Model Context Protocol), bias mitigation techniquesApply now to find out more about this Lead AI Engineer (Python LLM MLOps ...

Generative AI Scientist (Lead II - ML Engineering)

Hiring Organisation
UST Global
Location
London, United Kingdom
Salary
£ 80 K
Looking For: Strong experience in Python backend engineering Hands‐on delivery of Generative AI/LLM‐based applications Experience with: Agent frameworks (e.g. LangChain, LlamaIndex, or similar) Retrieval‐based systems (RAG, vector databases, embeddings) APIs, microservices, and asynchronous workflows Experience deploying production systems in AWS environments Nice to Have: Experience ...

Senior Engineer - Data Science

Hiring Organisation
Royal Bank of Canada
Location
London, United Kingdom
Salary
£ 80 K
server lifecycleNice-to-haveHands-on experience with Databricks Model Serving, MLflow, or equivalent model registry and serving infrastructureFamiliarity with agentic application frameworks like LangChain, LlamaIndex, or AutoGen, and how they interact with MCP serversExperience working in regulated industries such as financial servicesWhat is in it for you We thrive ...

ml engineer for AI knowledge systems

Location
Greater London, England, United Kingdom
architectures and fine-tuning approaches; Hands-on experience with prompt engineering and LLM pipeline design, including evaluation; Experience with agentic frameworks such as LangChain, LlamaIndex, LangSmith, smolagents, or an equivalent; Experience with vector databases and retrieval-augmented generation (RAG) patterns; Experience deploying and scaling LLM-powered applications using APIs such ...

AI Engineer IRC302970

Location
Greater London, England, United Kingdom
methodology. Orchestration: Production, hands-on experience with an agentic framework such as LangGraph, plus familiarity with MCP-based tool orchestration. Exposure to AutoGen, LlamaIndex, or CrewAI is a plus. Production Python engineering: Clean, modular, testable, maintainable code — you care about system reliability as much as model output. Evaluation & observability: Practical ...

Lead Software Engineer (Hybrid)

Location
Greater London, England, United Kingdom
including platforms like Databricks for data processing and analytics Delivering production agentic systems, including RAG pipelines, vector search, and agentic frameworks such as LangChain, LlamaIndex, CrewAI, AutoGen, and n8n DevSecOps & DevOps MLOps Infrastructure as Code How You’ll Be Supported Our wellness package is designed with the Whole ...

Digital Commerce Delivery Lead

Hiring Organisation
Accenture
Location
London, United Kingdom
Salary
£ 100 K
cloud platforms — such as Google Vertex AI Agent Builder, AWS Bedrock, or Azure OpenAIFamiliarity with agentic AI frameworks and tooling — such as LangGraph, LangChain, LlamaIndex, or CrewAI — and how they are appliedExperience with retrieval-augmented generation (RAG) architectures, vector databases, and LLM-powered applications as part of a commerce ...