26 to 50 of 72 LangChain Jobs in London

authentication, authorisation and secure software development. Experience taking ownership of complex engineering projects, making architectural decisions and mentoring other engineers. Desirable: Python, FastAPI, LangGraph, LangChain or similar AI frameworks. JSON-RPC, SSE, WebSockets and event-driven architectures. Experience with RAG, LLM function calling and context management. An interest in sport ...

configuration Hybrid search (keyword + semantic) Performance optimisation for large-scale retrieval workloads Software Engineering Strong Python development experience within production environments. Experience with: LangChain LlamaIndex LangGraph or CrewAI AWS SDK (Boto3) PyPDF Amazon Textract Unstructured.io Experience implementing CI/CD pipelines and deployment automation. Governance & Regulated Environments Experience delivering ...

distributed systems Strong background in Python and FastAPI Experience designing and delivering AI-powered products Experience with Agentic AI frameworks such as LangGraph and LangChain Strong stakeholder management and communication skills Experience owning technical roadmaps and software delivery lifecycles Ability to operate across engineering, product, and business functions Desirable Experience ...

governance, monitoring and ethical considerations. Desirable Experience Airbyte or similar modern data ingestion platforms. Terraform and Infrastructure as Code. LLM frameworks such as LangChain or LlamaIndex. Experimentation, testing or A/B testing frameworks. Experience building AI-enabled or data-driven products. Background within Life Sciences, Healthcare or highly regulated ...

monitoring ML model performance. Data Science/AI: Applying advanced techniques in LLMs, agentic systems, vector databases, fine-tuning, and deployment tools (e.g., HuggingFace, Langchain).Hands-on experience working with Distributed Spark based systemsExperience with data engineering concepts or a good understanding of data engineering concepts Pre-sales or post ...

experience with Generative AI and agentic systems - LLM-powered application design, retrieval-augmented generation (RAG), and at least one agent framework (e.g. LangGraph, LangChain, LlamaIndex, CrewAI).Experience designing and building data and context pipelines for AI systems -=embedding pipelines, vector databases, and semantic search over structured commerce data. Hands ...

tools (Cursor, Claude Code or similar) and a considered view on where they help Nice to have Next.js/Node.js, LLM product work (streaming, LangChain/LangGraph, MCP), Celery, Redis, OpenSearch, Kubernetes or Terraform, and financial-services or regulated-environment experience. What's on offer Close work with a leadership ...

Skills and knowledge: Generative AI and agentic engineering. Experience with LLM integration: prompt engineering, RAG pipelines, vector stores, and an orchestration framework such as LangChain or LlamaIndex. Cloud and MLOps. Working knowledge of a major cloud platform (AWS, Azure, or GCP), including containers, CI/CD, and model monitoring. Production ...

Nice to HaveExperience with search, information retrieval, recommendation, or knowledge systems at scale. Experience with agentic AI systems, workflow orchestration, or tools such as LangChain or LangGraph. Experience optimising AI systems for performance, scalability, reliability, or cost. Experience developing responsible AI governance or review practices. Experience building teams or leading ...

software and AI applications in Python. Hands-on experience building and deploying LLM, generative AI, or machine learning systems in production. Expertise with LangGraph, LangChain, or similar orchestration frameworks. Experience designing and improving RAG architectures and vector database solutions. Knowledge of AI evaluation, observability, and cloud-based software engineering best ...

using embeddings and vector databasesDevelop prompt strategies while managing production considerations including latency, cost, retries and rate limitsExplore agentic workflows and LLM orchestration using LangChain or similar frameworksWork with consultants and customer stakeholders to translate operational problems into practical AI solutionsImprove security, testing, observability and reliability across deployed applicationsWhat ...

technical challenges. Desirable experience: Hands-on experience building MCP servers, gateways or tool integrations. Python development, particularly FastAPI or similar frameworks. Experience with LangChain, LangGraph, LlamaIndex or comparable agent frameworks. LLM function calling, tool use and agent orchestration. API gateways, OAuth2, JWT and secure service-to-service communication. JSON ...

fine-tuning approaches, including SFT and the principles of RLHF/RLAIF. Excellent Python development skills. Experience with frameworks and tools such as LangChain, Hugging Face Transformers, Pandas, DVC or Weights & Biases. Knowledge of model evaluation techniques, including BLEU, ROUGE and custom evaluation frameworks. Exposure to speech technologies, including Whisper ...

+ lexical) using embeddings and vector databases. Experience designing agentic workflows and reasoning strategies, with hands-on experience applying agent frameworks (e.g., Google ADK, LangChain, LangGraph, AutoGen) in real-world use cases. Proficiency in data analysis tools. Strong foundation in statistics, modeling, and large-scale text processing. Why Join ...

production Strong Python skills Experience with cloud platforms Knowledge of RAG, vector databases, and LLM frameworks Git and CI/CD experience Experience with LangChain and LangGraph AWS experience IT/Technology-related university degree (minimum 2.1 ...

genuine AI/LLM security experience. Exposure to technologies such as GCP/Vertex AI/Gemini, AWS Bedrock, Azure OpenAI, Anthropic Claude or LangChain/LangGraph would be particularly relevant. This is a cutting-edge opportunity which will shape how AI is securely adopted across a large-scale global ...

recall@k, faithfulness) Streaming platforms such as Kafka Agentic or multi-hop retrieval, GraphRAG, query rewriting vLLM or similar for on-prem model serving LangChain, LlamaIndex, RAGAS or Langfuse Government, defence or national security programmes Desirable Experience Working Environment Central London, SC-cleared environment, embedded in the programme team. Outside ...

following skills and experience: Strong Python software engineering expertise Commercial experience developing and deploying LLM or machine learning systems Hands-on experience with LangGraph, LangChain or similar agent orchestration frameworks Strong RAG experience, including embeddings, chunking strategies, vector databases and retrieval evaluation Understanding of graph-based retrieval approaches or graph ...

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 extraction Create agents to generate new outputs from existing knowledge graph Tune prompts so that customers can find the information they ...

business stakeholders to turn complex requirements into production-grade solutions. Key skills: Python (5+ years) Celery, Redis, Celery Beat, Flower MCP (Model Context Protocol) LangChain and/or LangGraph React & AG Grid SQL (Oracle desirable) REST APIs & distributed systems Stakeholder engagement & requirements gathering Desirable: Commodities, market data or trading experience ...

business stakeholders to turn complex requirements into production-grade solutions. Key skills: Python (5+ years) Celery, Redis, Celery Beat, Flower MCP (Model Context Protocol) LangChain and/or LangGraph React & AG Grid SQL (Oracle desirable) REST APIs & distributed systems Stakeholder engagement & requirements gathering Desirable: Commodities, market data or trading experience ...

following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more holidays Matched pension Life assurance ...

following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more holidays Matched pension Life assurance ...

following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more holidays Matched pension Life assurance ...

such as TypeScript, React, Go or similar.Strong product instincts, technical ownership and confidence working in fast-moving environments.Experience with FastAPI, PostgreSQL, AWS, Kubernetes, LangGraph, LangChain or similar technologies would be beneficial, although we're more interested in engineering ability and what you've actually built than a perfect technology match.What ...