51 to 72 of 72 LangChain Jobs in London

AI Forward Deployed Engineer

Hiring Organisation
DataBricks
Location
London, England, United Kingdom
years experience in DS, ML, AIExperience building GenAI applications, including RAG, multi-agent systems, Text2SQL, fine-tuning, etc., with tools such as HuggingFace, LangChain, and DSPyExpertise in deploying production-grade GenAI applications, including evaluation and optimizations Extensive years of hands-on industry data science experience, leveraging common machine learning ...

Senior AI Engineer, Legal - Canada Remote

Hiring Organisation
Danaher
Location
Greater London, United Kingdom
Employment Type
Full Time
Salary
150000 to 180000 CAD Annually
production-grade AI features. Write clean, well-tested code (Python and/or TypeScript) to deliver production applications using LLM APIs, orchestration frameworks (e.g., LangChain, LlamaIndex), and CI/CD pipelines — from prototype through deployment and monitoring. Design evaluation and quality framework. Build automated evaluation pipelines, test sets, and quality … architecture, agent/tool-use development, and evaluation frameworks. Strong programming proficiency in Python, with experience in AI/ML libraries and frameworks (e.g., LangChain, LlamaIndex, Hugging Face, or equivalent orchestration tools); proficiency in an additional language (TypeScript, Java) is a plus. AI‐Assisted Software Development – Demonstrated proficiency leveraging ...

Data Scientist

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £85,000 per annum
looking for someone with hands-on experience across: LLMs & Generative AI RAG & Retrieval Systems Semantic Search & Information Retrieval NLP & Embeddings Agentic AI Workflows (LangGraph, LangChain etc.) Production AI & MLOps This is an opportunity to work on cutting-edge AI products that combine large-scale data, search and generative ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
technologies. Backed by an established business, they combine startup agility with strong commercial foundations. The Role Build multi-step AI agent workflows using LangGraph, LangChain or similar frameworks Develop production RAG pipelines, embeddings and retrieval systems Design AI evaluation frameworks and testing infrastructure Optimise model performance, reliability, latency and cost ...

AI Consultant | Financial Services | Permanent | TWE47395

Hiring Organisation
Twenty Recruitment Group
Location
East London, London, United Kingdom
Employment Type
Permanent
solve business and operational problems. Design, prototype and deploy AI-enabled workflows and agentic solutions using technologies such as LLMs, RAG, LangGraph/LangChain and APIs. Analyse complex workflows, data and processes and translate problems into clear technical solutions. Work closely with Product and Engineering throughout design, development, testing ...

Data Architect - Data, AI & Analytics Transformation

Hiring Organisation
Tenth Revolution Group
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£450.00 per day
Databricks MLflow Model Registry Feature Stores MLOps Frameworks Advanced Analytics Cognitive Search & GenAI Sinequa Knowledge Graphs GraphRAG Hybrid Search NLP Solutions AWS Bedrock AgentCore LangChain OpenAI & Claude Agent Frameworks Required Experience Significant experience as a Data Architect, Enterprise Data Architect, or Solution Architect within large-scale data environments. Strong expertise ...

Gen AI Developer

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
customer tenant (based on a re-usable method)Onboard customer documents into the solution, including making sure diagrams have been properly parsed. Configure Langchain for vector processing and graph extractionCreate agents to generate new outputs from existing knowledge graphTune prompts so that customers can find the information they are looking ...

Senior Full Stack Python Engineer - Agentic AI & Data Platforms

Hiring Organisation
Harvey Nash
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800 - £900 per day + Bonus + Benefits
Beat and Flower. Develop MCP servers and tools to expose internal APIs, databases and enterprise systems to AI agents. Implement agentic AI workflows using LangChain and/or LangGraph. Build modern, responsive front-end applications using React. Develop complex data visualisation interfaces using AG Grid. Design and optimise SQL queries … with Celery, Redis, Celery Beat and Flower . Experience building MCP (Model Context Protocol) servers and tools . Experience implementing agentic AI workflows using LangChain and/or LangGraph . Strong front-end development experience using React . Experience with AG Grid and complex data-driven interfaces. Strong SQL skills ...

Senior Full Stack Python Engineer - Agentic AI & Data Platforms

Hiring Organisation
Harvey Nash
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£800.00 - £900.00 per day
Beat and Flower. Develop MCP servers and tools to expose internal APIs, databases and enterprise systems to AI agents. Implement agentic AI workflows using LangChain and/or LangGraph. Build modern, responsive front-end applications using React. Develop complex data visualisation interfaces using AG Grid. Design and optimise SQL queries … with Celery, Redis, Celery Beat and Flower . Experience building MCP (Model Context Protocol) servers and tools . Experience implementing agentic AI workflows using LangChain and/or LangGraph . Strong front-end development experience using React . Experience with AG Grid and complex data-driven interfaces. Strong SQL skills ...

Contract Cloud + Data Architect

Hiring Organisation
Fruition Group
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £650 per day
major retail customers. You'll be hands-on with customers, owning projects. Key Skills/Tech Experience Required: GCP Python Vertex AI/Gemini LangChain/LangGraph RAG/Vertex AI RAG Engine Multi-Agent Architectures MCP/A2A Terraform Kubernetes UK based for tax purposes ...

AI Production Architect

Hiring Organisation
Executive Facilities
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£420.00 per day
stable, repeatable, and easily scalable across the region. Experience Proven experience building agentic tools, multi-agent frameworks, and automated workflows using orchestration libraries like LangChain, CrewAI, or StackAI. Deep programmatic fluency with LLM APIs (specifically Anthropic Claude and OpenAI SDKs), vector databases (such as Pinecone or Chroma), and retrieval-augmented ...

Senior Director, AI ML and Cloud Security

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
security outcome in a GxP environment where the consequence reaches medicine supply and clinical data. Your architects and engineers work in LangChain, LangGraph, vector databases and production Kubernetes, and they will expect you to follow the detail and challenge it. If your AI experience is policy frameworks, maturity models … data integrity requirements applied to AI the EU AI Act and the OWASP Top 10 for LLM Applications, including where each stops being useful. LangChain or LlamaIndex orchestration, vector databases and retrieval tuning, production Python and Kubernetes Familiarity with MITRE ATLAS and published adversarial ML research. Hands-on familiarity with ...

Security Penetration Tester

Hiring Organisation
Response Informatics
Location
London, England, United Kingdom
/ML security Strong programming skills in Python/Java Hands-on experience with ML frameworks (e.g., PyTorch, TensorFlow) Familiarity with AI tooling (e.g., LangChain, LlamaIndex, red-teaming toolkits) Proven ability to assess and secure AI systems end-to-end Nice to Have Master's degree in Computer Science, Cybersecurity ...

Senior Python AI Engineer

Hiring Organisation
WTW
Location
London, England, United Kingdom
only get to read about. With strong Python at the heart of everything you do, you'll work across a modern AI stack — LangGraph, LangChain, FastAPI, Azure, vector search and graph databases — building sophisticated, reliable systems that scale. You'll join a talented, multidisciplinary team that values engineering craft … bring Strong Python development experience in production applications. Experience building APIs and backend services, ideally with FastAPI. Proven experience building applications with LLMs, using LangChain and/or LangGraph and agentic workflows. Experience developing RAG solutions and integrating multiple systems and data sources via REST APIs. Solid engineering practices — automated ...

AI Engineer

Hiring Organisation
WTW
Location
London, England, United Kingdom
Role Design, build and productionise AI-enabled features and services using large language models, RAG, prompt engineering and agent frameworks/orchestration (such as LangChain, LangGraph or Semantic Kernel). Take AI solutions beyond prototype, owning evaluation, testing, guardrails, observability, security and cost management. Rapidly prototype and validate ideas, turning … bring Essential Experience Practical experience building with AI and agentic technologies: large language models, RAG, prompt engineering, and agent frameworks/orchestration (such as LangChain, LangGraph or Semantic Kernel). Hands-on experience using AI coding assistants and agentic development tools (e.g. GitHub Copilot, Claude Code, Cursor) in a professional ...

Senior/Lead AI Developer

Hiring Organisation
RWS
Location
Greater London, United Kingdom
Employment Type
Full Time
This job is with RWS, an inclusive employer and a member of myGwork – the largest global platform for the LGBTQ+ business community. Please do not contact the recruiter directly. Senior/Lead AI Developer Job ...

AI CX Delivery Consultant

Hiring Organisation
Accenture
Location
London, UK
Employment Type
Full-time
brief to deployed agent in a production environment Prompt engineer, test and iterate on deployed AI agents across client use cases Work across LangGraph, LangChain, Claude Code/Codex/Gemini and RAG pipelines Implement RAG and vector database solutions (Pinecone, Weaviate, LlamaIndex) Deploy across cloud platforms: AWS Bedrock … experience Engineering background with production experience in Python and similar languages across AI systems Hands-on experience with at least one agentic framework (LangGraph, LangChain, CrewAI or equivalent) Experience with foundation model APIs (Claude API, OpenAI API or Vertex AI) RAG implementation experience with at least one vector database Cloud ...

Director, AI ML and Cloud Security

Hiring Organisation
GSK
Location
Greater London, United Kingdom
Employment Type
Full Time
code, argue about orchestration patterns, and decide whether a build is genuinely ready for a vendor to run at 3am. Your engineers work in LangChain, LlamaIndex, vector databases and production Python on Kubernetes; if you cannot read that work critically you will not carry the team. The architecture … Applications, including where each stops being useful. Familiarity with MITRE ATLAS and published adversarial ML research. Hands-on grounding in LangChain or LlamaIndex, vector databases, production Python and Kubernetes Evaluation and testing of non-deterministic agent behaviour AI security controls — guardrails, tool-invocation control and least-privilege scoping Hands ...

AI Labs Software Engineer Python Developer Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI PydanticAI Bedrock AgentCore ADK Azure GCP Cloud Asset Manager Buy Side Investment Management Fund Hedge Fund Finance Financial Services Banking Front Office Trading Asset Manager) required … following is DESIRABLE, not essential: Experience taking Agentic AI solutions into production AWS AWS Strands Agents, LLM, Pydantic AI, Bedrock, AgentCore, ADK, CrewAI, AutoGen LangChain and LangGraph Finance Role: AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen ...

Senior AI Engineer

Hiring Organisation
The Portfolio Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80000 - £100000/annum
Generation (RAG), agentic 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 … Strong Python engineering experience Commercial experience building production-grade AI/ML systems Hands-on experience with RAG architectures and LLM workflows Experience with LangChain, LangGraph, and/or Llama Index Understanding of evaluation methodologies for generative AI Experience working within scalable cloud environments (AWS preferred) Ability to operate ...

Machine Learning Researcher

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£75,000
Clear communication skills, including the ability to explain technical concepts to a range of stakeholders Experience in any of the following would be beneficial: LangChain and/or LangGraph Developing AI agents, copilots, enterprise search or workflow automation solutions Working with company data, APIs or business processes Familiarity with Linux … Scientist/Deep Learning Researcher/NLP Researcher/Research Software Engineer/Python/PyTorch/Large Language Models/LLM/LangChain/LangGraph/AI Agents/Enterprise Search/Neural Networks/Model Deployment/Edge AI/TensorFlow/scikit-learn/Linux/ ...

Full stack Engineer

Hiring Organisation
Hays
Location
City of London, London, United Kingdom
Employment Type
Contract
Python backend services, asynchronous processing solutions using Celery and Redis, and MCP tools integrating APIs, databases and internal systems. You will also work with LangChain and LangGraph to build agentic AI workflows. This is a hands-on full stack role, combining Python engineering with React, AG Grid, SQL and Oracle. … succeed Strong hands-on Python development experience, Strong experience with Celery and Redis Hands-on experience building MCP servers and tools Experience with LangChain and/or LangGraph Strong React development experience, Strong automated testing experience Experience within financial services, commodities, trading or market data would be advantageous What ...