1 to 25 of 289 LangChain Jobs in the UK

Senior AI Engineer| London

Hiring Organisation
Infosys Technologies
Location
London, UK
Employment Type
Full-time
Strong articulation, stakeholder management and consulting skills Experience driving productivity and cost optimisationsSkills: Python with AI/ML frameworks (PyTorch, TensorFlow). Prompt Engineering, Langchain,Langsmith/Langfuse, Gen AI/Agentic AI , Cloud platforms (Azure AI Foundry, AWS Bedrock/Sagemaker, GCP Vertex AI) , MLOps/LLMOps tools (MLflow ...

Senior AI Architect| London

Location
Greater London, England, United Kingdom
multimodal 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 Engineer (UK)

Hiring Organisation
Meltwater Group
Location
London, UK
Employment Type
Full-time
familiarity with Java/Kotlin, with a solid understanding of API design, development and integration patternsLLM and Generative AI ExpertiseExperience with frameworks such as LangChain, LangGraph, and APIs from OpenAI, Anthropic, etc. Demonstrated proficiency in prompt engineering and orchestrating AI agents, chatbots, and autonomous workflowsCloud, Deployment & Operations Experience- Familiarity with ...

Full Stack Engineer - AI Enabled - Senior Vice President

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
platforms (e.g., AWS, Azure, GCP) and their relevant services. AI/ML:Familiarity with AI/ML concepts and frameworks (e.g., Python, TensorFlow, PyTorch, LangChain, LlamaIndex).Direct experience in developing, integrating, and deploying agentic AI systems. Leadership & Soft Skills: Excellent problem-solving, analytical, and critical thinking skills. Strong communication ...

AI Consulting –Sr. AI Architect & Client Partner

Location
Greater London, England, United Kingdom
automated evals, experiment tracking, observability, model lifecycle management. Responsible AI : governance frameworks, guardrails, model safety, compliance, and auditability. Preferred but not required Orchestration frameworks : LangChain/LangGraph, LlamaIndex, CrewAI, AutoGen, DSPy, Semantic Kernel, Strands. Advanced retrieval : Graph RAG, knowledge graphs, context graphs, hybrid search, vector databases. Agentic patterns : multi-agent ...

Data Science Manager

Hiring Organisation
London Stock Exchange Group
Location
London, UK
Employment Type
Full-time
statistics, probability, optimization, experimentation, and applied machine learning. Advanced proficiency in Python and modern AI frameworks, including PyTorch, TensorFlow, Scikit-Learn, Hugging Face, LangChain, Semantic Kernel, and related ecosystems. Experience building and scaling enterprise AI platforms, ML infrastructure, and intelligent applications serving thousands of users. Strong understanding of model observability ...

Data Science Manager

Location
Greater London, England, United Kingdom
statistics, probability, optimization, experimentation, and applied machine learning**.* Advanced proficiency in Python and modern AI frameworks, including **PyTorch, TensorFlow, Scikit-Learn, Hugging Face, LangChain, Semantic Kernel, and related ecosystems**.* Experience building and scaling **enterprise AI platforms, ML infrastructure, and intelligent applications serving thousands of users**.* Strong understanding ...

Senior AI Engineer - FTC [UK]

Hiring Organisation
Spyrosoft Ltd
Location
United Kingdom
Employment Type
Contract
Contract Rate
£70,000
with cloud AI platforms such as Azure OpenAI, AWS Bedrock or Google Vertex AI. Google Cloud Platform Tools and Technology Python Golang LangGraph/LangChain LLM evaluation, prompt engineering DevOps LLM telemetry Generative AI Experience A degree in Computer Science, Software Engineering, or a related field or similar work based ...

AI Engineer

Location
Leeds, England, United Kingdom
high‐value AI opportunities across Waystone. AI Engineering: Prototype AI features and iterate towards production‐ready capabilities. Build agentic workflows using frameworks such as LangChain or Microsoft Agent Framework, with a solid understanding of agent fundamentals (tools, memory, orchestration, context control). Implement AI agents with tool integration, memory, context ...

Director, Applied AI & Agentic Platform Engineering

Location
Greater London, England, United Kingdom
influence roadmaps, and accelerate delivery. AI & ML Integration: Drive the strategy for integrating and operationalizing Large Language Models (LLMs), agentic frameworks (e.g., Google ADK, LangChain,), and other AI/ML technologies to solve real‐world banking challenges. Operational Excellence: Implement and champion best‐in‐class engineering practices, including CI/ ...

Artificial Intelligence Engineer

Hiring Organisation
Infinity Quest
Location
Greater Sheffield Area, United Kingdom
practices. Hands-on experience with LLM integration, RAG architectures, AI orchestration frameworks, and Agentic AI solutions. Experience with AI frameworks and tools such as LangChain, LangGraph, Semantic Kernel, AutoGen, CrewAI, or equivalent. Strong understanding of enterprise architecture, scalability, security, and operational excellence. Preferred Skills Experience with Azure OpenAI, OpenAI, Anthropic ...

AI Engineer

Location
Greater London, England, United Kingdom
continuous learning.Help define best practices, technical standards, and reusable patterns for AI development across the organization.Develop agentic AI workflows using orchestration frameworks such as LangChain, or similarDevelop and maintain AI system blueprints, ensure integration with existing infrastructure, and optimize performance and scalability.Ensure compliance, observability, and scalability are embedded in design ...

Principal Architect AI

Location
Greater London, England, United Kingdom
proficient in Python programming with hands-on experience using modern AI/ML tooling (such as PyTorch or TensorFlow) and enterprise frameworks (such as LangChain, LlamaIndex, CrewAI, or Haystack). A proven track record of designing RESTful APIs, microservices, and event-driven architectures to build and ship production-ready, enterprise ...

AI & ML Engineer

Location
Greater London, England, United Kingdom
model endpoints, pipelines, embeddings, vector search) or equivalent cloud‐native AI/ML platforms (e.g. AWS SageMaker, AzureML) and agent orchestration frameworks (e.g. LangChain, LangGraph, ADK). Solid understanding of MLOps – CI/CD, IaC (Terraform), experiment tracking, model registry, and monitoring. Proven experience deploying and operating ML systems ...

Director, Applied AI & Agentic Platform Engineering

Location
Greater London, England, United Kingdom
influence roadmaps, and accelerate delivery. AI & ML Integration: Drive the strategy for integrating and operationalizing Large Language Models (LLMs), agentic frameworks (e.g., Google ADK, LangChain), and other AI/ML technologies to solve real‐world banking challenges. Operational Excellence: Implement and champion best‐in‐class engineering practices, including CI/ ...

Director, Applied AI & Agentic Platform Engineering

Hiring Organisation
Citigroup
Location
London, UK
Employment Type
Full-time
influence roadmaps, and accelerate delivery. AI & ML Integration: Drive the strategy for integrating and operationalizing Large Language Models (LLMs), agentic frameworks (e.g., Google ADK, LangChain,), and other AI/ML technologies to solve real-world banking challenges. Operational Excellence: Implement and champion best-in-class engineering practices, including CI/ ...

Forward Deployed AI Engineer

Hiring Organisation
Keyrus
Location
London, UK
Employment Type
Full-time
architectures, prompt workflows, and model/provider selection. Experience with RAG, embeddings, vector search, AI agents, and agentic workflows. Familiarity with frameworks such as LangChain, LlamaIndex, LangGraph, Semantic Kernel, AutoGen, or comparable tools. Experience integrating AI into enterprise systems, APIs, and business workflows. Experience with at least one major cloud ...

Production AI Engineer - Vice President

Location
Greater London, England, United Kingdom
prompts for production use cases including classification, summarisation, code generation, and autonomous decision-making. Experience designing and deploying agentic systems using frameworks such as LangChain, LangGraph, AutoGen, CrewAI, or equivalent — including multi-agent orchestration and tool-use patterns. Excellent engineering skills and strong understanding of Software Development Lifecycle , GitOps ...

Enterprise Architect - AI

Hiring Organisation
World Wide Technology
Location
London, UK
Employment Type
Full-time
Azure ML, or Vertex AI).Generative AI: LLM fine-tuning (LoRA/QLoRA), RAG architecture design, vector databases (Pinecone, Milvus, Weaviate), and agentic frameworks (LangChain, LangGraph, Semantic Kernel).Data pipelines: data lake/lakehouse architectures, ETL/ELT, and data quality/lineage tooling that feed AI systems. Automation, Orchestration ...

Forward-Deployed Engineer (FDE)

Hiring Organisation
NTT
Location
London, UK
Employment Type
Full-time
agentic AI, data science, or automation solutions. Hands-on experience with programming languages and frameworks such as Python, JavaScript/TypeScript, FastAPI, Flask, React, LangChain, LlamaIndex, PyTorch, TensorFlow, or similar technologies. Experience integrating APIs, data sources, model providers, workflow tools, and cloud services into working demos or prototypes. Working knowledge ...

Senior AI Engineer

Hiring Organisation
PA Consulting
Location
London, 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 ...

Senior AI Engineer

Hiring Organisation
PA Consulting
Location
Belfast, 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 ...

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 ...

Lead AI Engineer

Hiring Organisation
scrumconnect ltd
Location
City, Newcastle Upon Tyne, United Kingdom
Employment Type
Permanent
Salary
GBP 72,000 - 92,000 Annual
commonly Python) applied to AI/ML systems - Semantic search, vector/embedding infrastructure, and RAG pipeline construction - LLM orchestration and agentic frameworks (eg LangChain/LlamaIndex-style tooling, multi-agent patterns) - Prompt engineering and systematic evaluation/guardrail tooling (hallucination detection, safety testing) - LLMOps/MLOps - model versioning, deployment ...

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

Location
Greater London, England, United Kingdom
services, 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 ...