26 to 46 of 46 LangChain Jobs in London

AI Engineer - Lead - London - Hrbrid

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £100,000 per annum
analytics or a related field within the Business/Financial Services industry. Experience with Generative AI, Large Language Models (LLMs), and advanced frameworks like: LangChain, LangGraph, Haystack LlamaIndex, CrewAI, AutoGen, Transformers (Hugging Face) and RAG pipelines. Proven experience in leading teams and managing complex AI projects. Expertise in machine learning ...

AI Prompt Engineer - Future Talent

Hiring Organisation
Staffworx Limited
Location
London, United Kingdom
Employment Type
Contract
Thoughts, and more. Deploy AI/ML pipelines using Azure ML, AWS SageMaker, Vertex AI, or Databricks. Integrate LLMs into production apps using LangChain, LlamaIndex, and RAG architectures. Build APIs and microservices for scalable AI deployment. Use AI-powered dev tools like GitHub Copilot, Cursor, and Codeium to speed … iteration. Apply MLOps/LLMOps practices with MLflow, Weights & Biases, and Kubeflow. ?? Youll Bring Strong Python skills and experience with LangChain, Transformers, Hugging Face. Solid grasp of LLM behavior, prompt optimization, and data engineering. Familiarity with vector databases (FAISS, Pinecone, ChromaDB). Hands-on with Linux, Bash/Powershell scripting ...

Senior AI Engineer (Full Stack Python, AI, LLMs, LangChain)

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP 100,000 Annual
Senior Software Engineer (AI Focus) - £80,000-£140,000 + Benefits + Shares + Bonus London, Edinburgh, or Manchester Hybrid (Up to 3 Days Onsite per Week, usually less) Join one of the UK's ...

Java Full Stack Engineer (Consultant / Senior Consultant)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£70,000
e.g., Postgres) Understanding of web standards, accessibility and development best practice Experience with Apache NiFi Bonus Skills Microservices in C# Integrating LLMs (e.g., LangChain, Vercel AI) Experience using the GOV.UK Design System and Nunjucks What You'll Love You'll be part of a culture that prioritises learning, collaboration ...

Machine Learning Engineer (0–3 Years Experience)

Hiring Organisation
IT Graduate Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £75,000 per annum, OTE
from senior ML engineers, AI researchers, and founders. Freedom to experiment with state-of-the-art models, tools, and frameworks. Modern tech stack (Python, LangChain, Hugging Face, OpenAI API, Pinecone, Kubernetes, etc.). Flexible working — remote-first culture with in-person team sessions for collaboration. Career acceleration — opportunities … Engineer, AI Engineer, Artificial Intelligence, Deep Learning, NLP, Natural Language Processing, Large Language Models, Generative AI, GenAI, Neural Networks, PyTorch, TensorFlow, Hugging Face, OpenAI, LangChain, RAG, Retrieval-Augmented Generation, Python, Data Science, AI Research, MLOps, Data Pipelines, Prompt Engineering, Model Fine-Tuning, Cloud Computing, AWS, Azure, Google Cloud, AI Infrastructure ...

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£46000 - £70000/annum pension, health care, perks
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£46,000 - £70,000 per annum
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

AI Engineer

Hiring Organisation
KBC Technologies UK LTD
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
like OAuth2, JWT, and Azure AD. Apply best practices in AI model evaluation, tuning, and optimization. Work with LLM architectures and frameworks (OpenAI, Anthropic, LangChain, LlamaIndex) to build scalable and intelligent applications. Utilize vector databases (e.g., FAISS, Azure AI Search) and embedding models for semantic search and retrieval tasks. Execute ...

Full Stack Typescript Engineer

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£55,000
e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You'll Love You'll join a community that values technical excellence, continuous learning and collaboration. Expect ...

Java Full Stack Engineer (DV Cleared)

Hiring Organisation
83zero Limited
Location
London, United Kingdom
Employment Type
Permanent
Salary
£55,000
databases (e.g., Postgres) Apache NiFi Web standards, accessibility and development best practice Bonus Experience Microservices in C#/.NET Integrating LLMs with tools like LangChain or Vercel AI Additional Information You must be fully flexible for client assignments, which may involve short-notice travel You must have the right ...

Founding AI Engineer London - £180K plus equity

Hiring Organisation
Halian Technology Limited
Location
London, United Kingdom
Employment Type
Permanent
decisions that shape the companys trajectory Tech youll work with Python, LLMs, vector databases, knowledge graphs React/TypeScript, Supabase, AWS Agent frameworks (e.g., LangChain, LangGraph) What they are looking for Ownership mindset: You think like a founder and execute without waiting for instructions High energy: Positive attitude and genuine ...

Agentic AI Technical Lead

Hiring Organisation
Computer Futures
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£550 - £600/day
embedded within a mature AI Factory. Deep technical understanding of GenAI tools, such as GPT models, and Agentic AI frameworks, such as Langgraph & Langchain, required. Strong full stack/software engineering skills also preferable. To provide technical leadership for a team of ~15 Capgemini Invent technical developers across data science ...

AI Prompt Engineer

Hiring Organisation
Staffworx Limited
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
market rates, outside IR35, remote first, UK but 1-2 days on site
KNative and managed inference endpoints. Optimize model performance with quantization, distillation, caching, batching and routing strategies. Youll Bring Strong Python skills, with experience usingTransformers,LangChain,LlamaIndex and the broader GenAI ecosystem. Deep understanding of LLM behavior, prompt optimization, embeddings, retrieval and data preparation workflows. Experience with vector DBs (FAISS, Pinecone … tuning open-source LLMs. Tech Stack LLMs: GPT-4/5, Claude 3.x, Gemini 2.x, Mistral Large, LLaMA 3, Cohere Command R+, DeepSeek Frameworks: LangChain, LlamaIndex, Haystack, AutoGen, CrewAI Tools: GitHub Copilot, Cursor, LangSmith, LangFuse, Weights & Biases, MLflow, Humanloop Cloud: Azure ML, AWS SageMaker, Google Vertex AI, Databricks, Modal Infra ...

FULL STACK Engineer + Meaningful Equity

Hiring Organisation
Robert Half
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
unified development experience. AWS and Terraform for scalable, version-controlled infrastructure. TurboRepo for rapid code sharing and efficient testing. AI-driven architecture using LangChain and custom orchestration for real-world solutions. What's on Offer Permanent role with a competitive salary and meaningful equity . Brand-new MacBook and full ...

Applied AI Software Engineer - London (Hybrid) - AWS Partner

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
with customers, liaising with senior stakeholders, and designing and building production-ready applications. You will integrate LLMs and GenAI tools using frameworks such as LangChain and LlamaIndex , while setting up MLOps environments with Docker, Terraform, AWS, and CI/CD pipelines . As a Software Engineer first , you will have … deep expertise in at least one programming language ( Python, Node.js, Java, JavaScript, TypeScript, React ) and proven experience in productionising GenAI solutions , including integrating LLMs, LangChain, OpenAI API, or Claude . This is a rare opportunity to join as one of the Founding AI Engineers , working alongside a Senior Leadership team ...

AI/ML Principal Engineer

Hiring Organisation
Velocity Talent Ltd
Location
Central London, London, United Kingdom
Employment Type
Contract
Contract Rate
£400 per day £400 a day inside IR35
using TensorFlow, PyTorch, and Keras. Work on NLP and Generative AI tasks including embeddings, transformers (BERT, GPT), and OpenAI APIs. Integrate agentic AI frameworks (LangChain, LangGraph, MCP, Bedrock Agents) for autonomous workflows. Collaborate with cross-functional teams to deploy AI solutions in production environments. Ensure scalability, security, and compliance … keras, nltk, matplotlib, seaborn, plotly Programming Languages Python, R, C++, C#, Java, Node.js, HTML, SQL Agentic AI OpenAI Agents SDK, Model Context Protocol (MCP), LangChain, LangGraph, Bedrock Agents, CrewAI, Helicone Rate:400GBP/day Inside IR35 Work mode: Hybrid, 2-3 days WFO Contract duration: 12 Months Location: London ...

AI Engineer - London - Sports

Hiring Organisation
Transparent Technology
Location
London, United Kingdom
Employment Type
Permanent
Salary
£95,000
development, architecting sophisticated prototypes that push beyond hype to uncover true competitive advantage. Working with modern AI tooling-LLMs, agentic frameworks, automation platforms, LangChain, LlamaIndex, PyTorch, TensorFlow. You'll build and test next-generation systems, drive the evolution of internal AI infrastructure, and guide the adoption of scalable cloud-based … through the application process. Nathan Laidlaw at Transparent Technology will be in touch. Keywords: Senior AI Engineer, AI Research, Machine Learning, LLMs, Agentic Systems, LangChain, LlamaIndex, PyTorch, TensorFlow, MLOps, AWS, GCP, Azure, Sports Data, Sports Tech, London, Hybrid, AI Prototyping, Intelligent Agents, Automation Platforms, Python. ...

AI Agent Developer

Hiring Organisation
Microtech Global Ltd
Location
West London, London, United Kingdom
Employment Type
Contract
models on QA policies for accuracy and context-awareness. Build AI Agent Architecture: Utilize modern LLM APIs (e.g., OpenAI, Anthropic, Gemini) and frameworks (e.g., LangChain, LlamaIndex) to create a robust system. Integrate Backend APIs: Enable the AI agent to automatically publish generated test guides to our internal web platform. Create … Express). Proven experience building applications using LLM APIs (e.g., OpenAI) in commercial or production-level environments. Hands-on experience with AI frameworks like LangChain or LlamaIndex. Experience designing or building agentic AI systems ...

Data & AI Senior Associate

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
Salary negotiable
solutions. Client Details Leading consultancy delivering a high-profile government project. Description Design and implement AI-driven solutions using Retrieval-Augmented Generation (RAG) and LangChain frameworks. Develop and optimize prompt engineering strategies to enhance model performance and accuracy. Build and maintain Python-based applications for data processing and AI workflows. … contract with potential for extension. Remote-first working model , with occasional travel to Staffordshire. Opportunity to work with cutting-edge AI technologies including RAG, LangChain, and advanced prompt engineering. Join a leading consultancy known for innovation and excellence in delivering complex solutions. Competitive day rate and a chance to collaborate ...

Data/ AI Engineer

Hiring Organisation
Michael Page Technology
Location
London, South East, England, United Kingdom
Employment Type
Temporary
Salary
Salary negotiable
solutions. Client Details Leading consultancy delivering a high-profile government project. Description Design and implement AI-driven solutions using Retrieval-Augmented Generation (RAG) and LangChain frameworks. Develop and optimize prompt engineering strategies to enhance model performance and accuracy. Build and maintain Python-based applications for data processing and AI workflows. … contract with potential for extension. Remote-first working model , with occasional travel to Staffordshire. Opportunity to work with cutting-edge AI technologies including RAG, LangChain, and advanced prompt engineering. Join a leading consultancy known for innovation and excellence in delivering complex solutions. Competitive day rate and a chance to collaborate ...

Gen AI Solutions Engineer - London Hybrid

Hiring Organisation
Transparent Technology
Location
City of London, London, United Kingdom
Employment Type
Permanent
scaling fast across the UK, US, and Europe. You'll join the founding Solutions Engineering team, working hands-on with LLMs, Python, and LangChain to design and deliver AI-powered workflows for clients. You'll translate complex requirements into working automation and collaborate with Product and Customer Success to bring … into production. Requirements: Experience in a client-facing technical role (Solutions Engineer, AI Consultant, or similar) Strong Python skills and experience with LLMs/LangChain Confident building quick prototypes (Streamlit, Jupyter, etc.) Able to bridge business needs and technical delivery Startup mindset: fast-moving, collaborative, hands-on Bonus: experience ...