26 to 50 of 67 LangChain Jobs in the UK excluding London

life. Requirements: NLP & ML Background : Strong experience in deep learning and natural language processing, with an emphasis on large language models. Tooling Fluency : Comfortable with libraries like Hugging Face, LangChain, or PyTorch, and evaluation frameworks. Production Readiness : Prior experience shipping AI models into live environments, with attention to reliability and observability. Research Mindset : Curious and methodical, with the ability to More ❯

AWS or Azure cloud platforms. Strong understanding of CI/CD pipelines using GitLab, GitHub, or Jenkins. Experience integrating with LLMs and AI tools such as Vercel AI or Langchain is highly advantageous. What Youll Get : A chance to work on critical, high-profile digital transformation projects. Exposure to the latest advancements in AI and machine learning technologies. A collaborative More ❯

data modelling, and software architecture. Solid hands- on experience in Python and its ecosystem ( Jupyter, Pandas, Scikit- learn, Matplotlib), and comfort working with SQL for data analysis. Experience with LangChain is a plus. Experience of delivering AI and ML- based products into production environments, with an understanding of both model evaluation and productionisation challenges. Expertise in statistics, hypothesis testing, sampling More ❯

evaluation pipelines to assess and optimize model performance Prototype and productionize agentic workflows that leverage tool usage and chaining Experiment with, tune, and benchmark different LLMs (e.g., OpenAI, HuggingFace, LangChain) Automate model evaluation and integrate insights into the dev lifecycle Support semantic search, data extraction, and document analysis use cases Collaborate with legal engineers and product to build secure and … to architectural decisions, internal tooling, and team best practices Experience & Qualifications: 4+ years of backend or AI-focused engineering experience Hands-on experience working with LLMs and related frameworks (LangChain, LangGraph, etc.) Strong programming skills-Python preferred; experience with APIs and cloud infra is a plus Proven track record designing evaluation frameworks and tuning model performance Solid understanding of data More ❯

governance frameworks for AI agent deployment in sensitive intelligence operations Design and architect multi-agent systems that can perform complex OSINT investigations autonomously Build agentic workflows using frameworks like LangChain, AutoGPT, CrewAI, n8n, or custom solutions Architect RAG systems that enable agents to access and reason over vast intelligence databases Design agent orchestration systems that coordinate multiple AI agents for … client-facing roles preferred Background in security, intelligence, or investigative domains highly valued Publications or thought leadership in agentic AI space a plus Expert knowledge of LLM orchestration frameworks (LangChain, Semantic Kernel, AutoGen, CrewAI) Strong experience with multi-agent architectures and agent communication protocols Proficiency in advanced prompt engineering and chain-of-thought reasoning techniques Experience with function calling, tool More ❯

development avenues as you shape the future of AI-driven solutions. What Were Looking For: Python (FastAPI), Typescript (Express) or similar Frontend Development: React, Next.js, or Vite GenAI tools: LangChain, LangGraph, CrewAI, or Vercel AI (Python or JavaScript) LLM platforms: OpenAI, Anthropic, Mistral, or Llama Cloud: AWS or Azure Containerisation Bonus Points: Experience in building Proof of Concepts (POCs) Client More ❯

5+ years in AI/ML roles with a strong record of ownership and delivery. Hands-on experience with LLM development or fine-tuning , including frameworks like Hugging Face, LangChain, or custom pipelines. Deep technical understanding of biometric security systems and privacy-aware architecture. Strong Python/ML stack (e.g., PyTorch, TensorFlow, Scikit-learn). Experience building real-time AI More ❯

you a good overview of what is on offer) Backend: Ruby on Rails, PostgreSQL, Sidekiq, Redis, AWS Frontend: Turbo/Hotwire, Phlex, AlpineJS, TailwindCSS AI/LLM: OpenAI, Claude, LangChain (or equivalents) Infra: Docker, Terraform, GitHub Actions, CloudWatch What You’ll Do Write clean, well-tested code across the stack with a product-focused mindset Own feature development end to More ❯

Postgres Familiarity with web standards, accessibility, and development best practice Building microservices in C# or Java Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks WHAT YOU'LL LOVE ABOUT WORKING HERE: We are delighted to have received the "Glassdoor Best Places to work UK' accolade More ❯

Postgres Familiarity with web standards, accessibility, and development best practice Building microservices in C# or Java Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks WHAT YOU'LL LOVE ABOUT WORKING HERE: We are delighted to have received the "Glassdoor Best Places to work UK' accolade More ❯

Postgres Familiarity with web standards, accessibility, and development best practice Building microservices in C# or Java Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks WHAT YOU'LL LOVE ABOUT WORKING HERE: We are delighted to have received the "Glassdoor Best Places to work UK' accolade More ❯

as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks WHAT YOU'LL LOVE ABOUT WORKING HERE: We are delighted to have received the "Glassdoor Best Places to work UK' accolade More ❯

as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks WHAT YOU'LL LOVE ABOUT WORKING HERE: We are delighted to have received the "Glassdoor Best Places to work UK' accolade More ❯

as Postgres Familiarity with web standards, accessibility, and development best practice Bonus: Building microservices in C# Experience building solutions that integrate with LLMs using tools such as Vercel AI, Langchain etc. Using the GOV.UK Design System and using Nunjucks WHAT YOU'LL LOVE ABOUT WORKING HERE: We are delighted to have received the "Glassdoor Best Places to work UK' accolade More ❯

ll work closely with the CTO to architect and implement the intelligence layer of the platform — with real ownership over: Designing and deploying LLM-driven agent systems using LangGraph, LangChain, or similar tools to coordinate tool use, memory, and fallback logic Building orchestration logic for autonomous workflows — handling retries, dependencies, logging, and execution across simulation and design environments Creating custom … ideally in fast-moving, early-stage environments Strong Python skills, with a track record of building or deploying LLM-based systems in production Hands-on experience with frameworks like LangChain, LangGraph, or custom-built agent orchestration setups Familiarity with LLM APIs (OpenAI, Anthropic, Mistral, etc.), embedding stores, retrieval pipelines (e.g. Weaviate, Pinecone), and eval tooling Comfort building and testing AI More ❯

Machine Learning Engineering Manager (Operations) Join to apply for the Machine Learning Engineering Manager (Operations) role at THG Ingenuity . About THG Ingenuity THG Ingenuity is a fully integrated digital commerce ecosystem, designed to power brands without limits. Our global More ❯

stack such as Java, TypeScript, React, MySQL Hands-on experience with AI-assisted development tools like Windsurf, Cursor, GitHub Copilot, Enterprise ChatGPT Practical experience with agentic AI modification via LangChain/LangGraph Exposure to LLM APIs, codegen platforms, vector databases, and agent frameworks (highly desired) A disruptor mindset and interest in impactful solutions A passion for experimentation, iteration, and continuous More ❯

html Experience and Expertise Strong experience in GenAI, RAG and Agentic architectures, including popular frameworks like LangChain and LiteLLM. Expertise in Python, JavaScript, or Rust, coupled with experience deploying applications through frameworks such as FastAPI, Django, or React, within containerized environments using Docker and Kubernetes. Familiarity with DevOps and CI/CD pipelines, version control (Git). More ❯

Role: Senior AI Engineer (x2) Location: Shoreditch, London (hybrid - 3 days per week) Salary: £80,000 - £110,000, plus benefits (below) Key Skills: Python, AI/LLMs, LangChain/LangGraph, AI Agents, AWS Industry: B2B SaaS Start-up A fast-growing B2B SaaS start-up is looking for a talented Senior AI Engineer to set up and co-lead the … re looking for: AI/ML or LLM-based development in a fast-paced start-up environment. Built and deployed production-grade agentic systems Hands-on experience with PydanticAI, LangChain, LangGraph, or similar agent orchestration tools. Strong understanding of LLM evaluation, prompt design, and techniques for tuning models to domain-specific tasks. Deep understanding of large language models (LLMs), including More ❯

and agent-based prototypes for various use cases, including chatbots, copilots, and A2A task agents. Implement agentic workflows, multi-step reasoning pipelines, and memory management using frameworks such as LangChain, CrewAI, and Autogen. Engineer and tune prompts to enhance the performance and reliability of generative tasks. Design RAG systems using vector databases like Pinecone, Chroma, and PosgreSQL for contextual retrieval. … RAG or knowledge ingestion pipelines. Essential Skills Proficiency in Python programming. Experience in building multi-step intelligent systems. Knowledge of machine learning and artificial intelligence. Familiarity with frameworks like LangChain and CrewAI. Additional Skills & Qualifications Experience with agent collaboration (A2A) or multi-agent task routing systems. Familiarity with MCP tools or advanced model configuration systems. Understanding of prompt injection prevention More ❯

with Node.js, Express, RESTful APIs or GraphQL Experience building production-grade applications and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products More ❯

AI Fullstack Product Engineers - Userled - 80-100K + Bens + Equity - London Hybrid (3 days in the office) Userled is reinventing B2B marketing with Generative AI Marketing early stage start-up, helping enterprise teams reach high-intent buyers through More ❯

Learning Engineer 18 month project, 6 month rolling contracts. Rate negotiable but upwards of 600 p/d. Looking for people with the following skillset: Python, Pytorch, Tensorflow, Langgraph, Langchain, CrewAI, LlamaIndex etc ML Ops VertexAI Prompt Engineering 1st of July start date. Apply through this advert or email jack.herbert@oliverbernard.com for more info. More ❯

using LLMs, autonomous agents, and semantic search. The engineer will work across the full stack-from prompt engineering and memory management to UI and cloud deployment-using tools like LangChain, CrewAI, and vector databases. Core Responsibilities Build and iterate on LLM/agent-based prototypes (e.g., copilots, chatbots, A2A agents). Implement multi-step reasoning, memory modules, and RAG pipelines. … Use frameworks like LangChain, LangGraph, CrewAI, and tools like Pinecone, FAISS. Optimize performance and ensure responsible AI practices. Deploy via cloud platforms (AWS Bedrock, Azure AI, Google Vertex). Build UIs (Streamlit, Gradio, React) and integrate APIs and databases. Preferred Skills Experience with multi-agent systems and ethical AI. Familiarity with advanced model configuration and reusable AI components. Job Title More ❯

both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly MySQL Develop type-safe RPC endpoints using tRPC for seamless frontend-backend communication Rapidly adapt to a modern development stack and contribute to high … and Prisma Strong understanding of MySQL , including schema design and performance optimization Practical experience integrating with LLMs, including prompt design and API management Familiarity with orchestration tools such as LangChain or similar Ability to learn quickly and deliver high-quality features in a dynamic, fast-paced environment Preferred Qualifications Experience deploying and fine-tuning custom AI models Background in developing More ❯