24 of 24 LlamaIndex Jobs in London

Senior AI Architect| London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
models, and earlier architectures such as GANs and VAEs. Experience across text, code, image, and multimodal generation; advanced prompt engineering; orchestration frameworks (LangChain, LangGraph, LlamaIndex, Semantic Kernel). Hands‐on exposure to both API‐based (Claude, GPT, Gemini) and open‐source (Llama, Mistral) LLM‐based solution design. Agentic AI & Multi ...

Data & AI Engineer

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum
Python development skills Experience with Machine Learning frameworks such as TensorFlow, PyTorch or Scikit-learn Experience with Generative AI technologies including LLMs, LangChain or LlamaIndex Hands-on experience building RAG solutions and working with vector databases Experience with MLOps, CI/CD and containerisation Strong SQL skills and experience working ...

Junior Generative AI Application Developer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
generation), Prompt Engineering, Workflow Design, GenAI Optimization, Stylus Workspaces (In-house Gemini) Large Language Models (LLMs): Gemini, OpenAI, Claude, Llama, Local Models Frameworks: LangChain, LlamaIndex, Hugging Face Orchestration: LangGraph, Multi-Agent Systems Development Languages: Java, PythonFastAPI Retrieval-Augmented Generation (RAG): PostgreSQL, Vector DBs, Advanced Retrieval ML/DL Frameworks: PyTorch ...

Head of AI Solutions, COO Technology - MD (C16)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
scalable inference infrastructure, and vector stores. Programming & Frameworks: Strong Python proficiency; working knowledge of PyTorch or TensorFlow; applied experience with AI application frameworks (LangChain, LlamaIndex, or equivalents). Enterprise AI Architecture: Designing AI systems for regulated production environments: data security, model explainability, audit logging, access controls, and integration with legacy ...

Head of AI Solutions, COO Technology - MD (C16)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
scalable inference infrastructure, and vector stores* Programming & Frameworks: Strong Python proficiency; working knowledge of PyTorch or TensorFlow; applied experience with AI application frameworks (LangChain, LlamaIndex, or equivalents)* Enterprise AI Architecture: Designing AI systems for regulated production environments: data security, model explainability, audit logging, access controls, and integration with legacy systems ...

Senior AI Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Weaviate, or similar ecosystems. Hands-on experience with Retrieval Augmented Generation applications, AI agents & systems built around them. Experience using GenAI frameworks such as LlamaIndex, Crew AI, AutoGen, or similar agentic/LLM orchestration toolkits. Exposure to working with unstructured data (documents, conversations, images) & transforming it into usable structured formats. ...

Senior AI/ML Scientist

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Scientists. Skills: Strong proficiency in Python and experience with frameworks such as NumPy, Pandas, Scikit-learn, and modern Generative AI libraries (e.g., LangChain, LlamaIndex, Azure AI Foundry). Hands‐on experience with PyTorch, leading LLM libraries such as Hugging Face, LangChain, LangGraph, and LlamaIndex. Skilled in hypothesis formulation, defining evaluation ...

Senior AI Platform Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Points Experience with any of the following would be highly advantageous: AI gateways and model routing Prompt management platforms AI evaluation frameworks LangGraph, LangChain, LlamaIndex, DSPy, CrewAI or similar orchestration frameworks Vector databases and semantic retrieval Knowledge graphs or document understanding systems Building internal AI platforms used by multiple engineering ...

Senior AI Engineer - Consulting

Hiring Organisation
Deerfoot Recruitment Solutions
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
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 ...

Senior Staff Generative AI Engineer – VP (IC, Hands-On)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience with **Generative AI concepts, Large Language Models (LLMs), transformer architectures, RAG, and advanced agentic frameworks** (e.g., LangChain, LangGraph, Google ADK. Optionally AutoGen, CrewAI, LlamaIndex, Semantic Kernel).* Deep comfort and practical experience with **containers and orchestration technologies, specifically OpenShift**.* Demonstrated ability to architect, develop, and deploy highly performant ...

Senior Staff Generative AI Engineer – VP (IC, Hands-On)

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
experience with Generative AI concepts, Large Language Models (LLMs), transformer architectures, RAG, and advanced agentic frameworks (e.g., LangChain, LangGraph, Google ADK. Optionally AutoGen, CrewAI, LlamaIndex, Semantic Kernel). Deep comfort and practical experience with containers and orchestration technologies, specifically OpenShift. Demonstrated ability to architect, develop, and deploy highly performant, large ...

Senior AI Engineer

Hiring Organisation
The Portfolio Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
workflows, evaluation frameworks, and LLM optimisation. Key Responsibilities: Design and develop scalable RAG pipelines and generative AI workflows Build solutions using LangChain, LangGraph, and LlamaIndex Implement retrieval strategies including reranking, chunking, and retrieval fusion Develop agentic workflows with a focus on robustness and maintainability Contribute to experimentation, evaluation ...

AI Solutions Consultant

Hiring Organisation
Artis Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £125,000 per annum
that combines stakeholder engagement, business problem-solving and hands-on technical delivery. Strong experience with Python and LLM agent frameworks such as LangChain, CrewAI, LlamaIndex or similar. Experience designing and implementing AI agents, automation workflows and AI-powered business solutions. Strong understanding of prompt engineering, Retrieval-Augmented Generation (RAG), tool ...

Principal Software Engineer (London)

Hiring Organisation
Jobleads-UK
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 At 8th Light, we believe our people are our greatest ...

Senior AI Engineer| London

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
tasks (text, code, image, multimodal generation) and familiarity with advanced prompt engineering, structured outputs, function/tool calling, and orchestration frameworks like LangChain, LangGraph, LlamaIndex, and Semantic Kernel. Hands‐on exposure to API-based LLM providers (Claude, GPT, Gemini) and open‐source solutions (Llama, Mistral). Agentic AI & Orchestration : Hands … Llama, Mistral; multimodal and reasoning models; context windows, tokenization, fine‐tuning (LoRA/PEFT); RLHF/RLAIF concepts LLM application & agent frameworks: LangChain, LangGraph, LlamaIndex, Semantic Kernel, Haystack, CrewAI, AutoGen Interoperability & integration: MCP, function/tool calling, structured outputs, API integration, event‐driven and orchestration patterns Cloud AI platforms & model ...

Senior Field ML Engineer - Enterprise AI Deployments

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
systems and LLM applications. You’ll drive end-to-end development from discovery to production, work across voice, vision, and text, and leverage LangChain, LlamaIndex, and modern MLOps on AWS/Azure/GCP to deliver scalable, observable AI solutions at scale. #J-18808-Ljbffr ...

AI Platform engineer

Hiring Organisation
Nextech Group Limited
Location
East London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
TypeScript (Node.js) Databases: PostgreSQL, Redis, Pinecone/pgvector Infra: AWS (ECS, Lambda, SQS/SNS), Docker, Kubernetes, Terraform AI/ML tooling: LangChain/LlamaIndex, vLLM, Anthropic & OpenAI APIs, embedding models Observability: Datadog, Grafana, OpenTelemetry CI/CD: GitHub Actions, ArgoCD Requirements: 4+ years backend development experience, ideally with ...

Remote AI/ML Engineer — LLMs & Generative AI

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
products. You will design, build, and deploy agentic workflows, and predictive models, collaborating with frontend and backend teams to integrate AI features using LangChain, LlamaIndex, and OpenAI/Anthropic APIs. The role requires 3-5 years of experience, strong Python/TypeScript skills, and hands-on experience with LLMs, vector ...

Senior AI Engineer (Gen AI & RAG)

Hiring Organisation
The Portfolio Group
Location
City of London, London, Castle Baynard, United Kingdom
Employment Type
Permanent
Salary
£75000 - £100000/annum
structured knowledge representation, where they deliver clear value. Required Skills & Experience Strong Python proficiency for production-grade AI development, with hands-on experience across LlamaIndex, LangChain, and LangGraph. Proven track record building Retrieval-Augmented Generation (RAG) systems; Graph-RAG exposure is a distinct advantage. Practical experience with model adaptation techniques ...

Forward Deployed ML Engineer, Agents

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
real-time video streams using computer vision pipelines on aion's infrastructure Implement sophisticated multi-agent orchestration with(or similar) frameworks like LangChain or LlamaIndex—enabling tool use, memory management, and autonomous task completion Rapidly prototype POCs in 2-4 weeks, coding alongside client teams to validate concepts and iterate … Strong LLM foundations hands-on with modern foundation models including fine-tuning, prompt engineering, and evaluation methodologies Agent framework proficiency production experience with LangChain, LlamaIndex, or similar orchestration frameworks Voice AI platform experience built real-time conversational systems with production STT/TTS integration Proficiency in Python (production-grade, async ...

AI Native Engineer

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
pathological staging, and critical biomarker statuses from raw, free-text documents. Framework Selection: Evaluate and integrate specialized agentic frameworks and orchestration tooling (e.g., LangChain, LlamaIndex, or direct LLM API implementations) based on measurable extraction accuracy against real-world clinical text, rather than what is fashionable. Confidence Scoring & Human-Review Loops … prompt state machines, and fine-tuning prompt engineering for highly structured text-extraction tasks. Agent Infrastructure Fluency: Direct experience working with agentic frameworks (LangChain, LlamaIndex, or equivalent custom graph state setups) to orchestrate complex, multi-step clinical data transformation workflows. Production Focus: You have shipped non-deterministic models into production ...

AI Deployment Strategist

Hiring Organisation
Emponics
Location
City of London, London, United Kingdom
Employment Type
Permanent
library of reusable agent components and playbooks Proactively surface new automation opportunities across the business Key Skills Python & LLM agent frameworks (LangChain, CrewAI, LlamaIndex) Prompt engineering & RAG pipelines Business analysis & stakeholder management Process mapping & workshop facilitation Microsoft 365 & Microsoft Copilot No-code/low-code tooling (Zapier, Make) Desirable Skills … consulting, or a deployment/implementation role. Able to design and build working AI agents and automation workflows independently using agent frameworks (LangChain, CrewAI, LlamaIndex, or similar) and/or tools such as Microsoft Copilot Studio, Claude Skills etc. Strong enough technically to assess feasibility and scope what is buildable ...

AI Deployment Strategist

Hiring Organisation
Emponics
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum, Negotiable
library of reusable agent components and playbooks • Proactively surface new automation opportunities across the business Key Skills • Python & LLM agent frameworks (LangChain, CrewAI, LlamaIndex) • Prompt engineering & RAG pipelines • Business analysis & stakeholder management • Process mapping & workshop facilitation • Microsoft 365 & Microsoft Copilot No-code/low-code tooling (Zapier, Make) Desirable Skills … consulting, or a deployment/implementation role. • Able to design and build working AI agents and automation workflows independently using agent frameworks (LangChain, CrewAI, LlamaIndex, or similar) and/or tools such as Microsoft Copilot Studio, Claude Skills etc. • Strong enough technically to assess feasibility and scope what is buildable ...

Director, Data Science, Digital & Insights, Strategic Communications

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
technical knowledge relating to, for example:* AI platforms and solutions across algorithmic and agentic categories (e.g., AI vendor APIs, open-source tooling such as LlamaIndex, HuggingFace, Claude Code or similar)* Manipulating datasets in Python, SQL and Excel* Deep familiarity with GitHub to collaborate with other developers* Conversant and proficient across … Qualifications* Proven competency and focus on AI platforms and solutions across algorithmic and agentic categories (e.g., AI vendor APIs, open-source tooling such as LlamaIndex, HuggingFace, Claude Code or similar)* Passion for tackling challenging problems and ability to turn complex and manifold data into clear insights and a talent ...