201 to 225 of 247 LangChain Jobs in London

AI Engineer

Location
Greater 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 ...

Gen AI Python Developer

Location
Greater London, England, United Kingdom
fine-tune machine learning and large language models (LLMs) using frameworks such as PyTorch, TensorFlow, and Keras.* Develop Retrieval-Augmented Generation (RAG) applications using LangChain, Hugging Face, and LlamaIndex.* Implement and optimize vector database, semantic search, and hybrid search solutions for AI-powered applications.* Perform model fine-tuning using advanced … model optimization techniques* Knowledge of Fine-Tuning methodologies, including LoRA and QLoRA* Experience working with Hugging Face libraries and model repositories* Proficiency in LangChain and LlamaIndex for building AI-powered workflows* Experience implementing Retrieval-Augmented Generation (RAG) frameworks* Knowledge of Vector Databases and Hybrid Search techniques* Strong understanding of Natural ...

Senior AI Engineer - Production ML & Agentic AI

Location
Greater London, England, United Kingdom
hybrid London environment. You will influence senior engineers, define standards, and enable capable AI/ML solutions to operate safely in production while leveraging LangChain/LangGraph and retrieval frameworks. #J-18808-Ljbffr ...

Lead AI Agentic Architect - Build Scalable LLM Platform

Location
Greater London, England, United Kingdom
lead the technical architecture for our AI projects, bridging product thinking with scalable system design. You will guide the agent framework stack (LangGraph/LangChain or equivalent), define integration patterns, and oversee evaluation, observability, and production readiness while collaborating with a cross-functional product team. #J-18808-Ljbffr ...

Marketing AI Engineer

Location
Greater London, England, United Kingdom
Zapier, n8n) and comfortable extending them with scripting when needed (Python and/or JavaScript). Have working familiarity with AI agent frameworks (e.g., LangChain, Claude Agent SDK, OpenAI Assistants) or a demonstrated ability and appetite to ramp quickly. Be experienced integrating with third‐party APIs and working with marketing ...

AI/ML Engineer

Location
Greater London, England, United Kingdom
influence how they’re adopted across the wider business. You'll be working with technologies including Azure Databricks, Azure Machine Learning, Azure AI Foundry, LangChain, LangGraph and Python, building enterprise AI applications using RAG, vector databases, prompt orchestration and tool‐calling patterns. You’ll need experience with: Deploying LLMs … machine learning models into Azure enterprise environments. Azure Databricks, Azure Machine Learning and ideally Azure AI Foundry. Building production AI applications using LangChain, LangGraph and Python. MLOps/LLMOps including deployment, monitoring, governance and lifecycle management. RAG, vector databases, prompt engineering and tool‐calling patterns. Building ...

Senior AI Engineer

Hiring Organisation
MarkIT Placements
Location
London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £700 to £900 per day
gapped deployments. What You'll Be Doing Design and build multi-agent AI systems from the ground up, using frameworks such as LangGraph, LangChain, Haystack or similar where appropriate. Develop the orchestration, state management and tool-calling infrastructure required to make agentic systems reliable in production. Integrate large language models … production , rather than simply integrating existing tools. Strong Python development skills and excellent software engineering fundamentals. Hands-on experience with frameworks such as LangGraph, LangChain, Haystack or similar , together with the ability to work below the framework level when required. Experience designing and deploying AI/ML systems into genuine ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
cloud solutions, ideally within GCP * Familiarity with serverless architectures and API development * Experience working with AI tools, LLM applications, or agentic frameworks such as LangChain or CrewAI * Knowledge of front-end technologies such as React * Experience working within a digital agency, marketing technology, or consulting environment * Understanding of digital marketing ...

Forward Deployed Engineer

Location
Greater London, England, United Kingdom
platform Solid depth in Python and/or TypeScript, from things you've actually built Hands-on experience with RAG, an agent framework like LangChain or LangGraph, and ideally MCP, from building with these, not just plugging in a vendor's version You use AI coding tools ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
serverless architectures and modern software engineering practices. Hands-on experience integrating AI capabilities into products and workflows. Familiarity with agentic AI frameworks such as LangChain, CrewAI, or similar technologies. Experience with modern front-end frameworks such as React. Ability to communicate technical concepts clearly to a range of stakeholders. Interest ...

Staff ML Engineer | Agentic AI & Applied ML | London | |

Location
Greater London, England, United Kingdom
across multiple engineering teams Defining reusable engineering standards, architectures and implementation patterns Designing and evolving production RAG and retrieval architectures Establishing effective LangGraph/LangChain patterns for agentic applications Improving AI evaluation, testing, observability and production monitoring Developing guardrails, controls and approaches to hallucination and model risk Supporting the move … across: Python and strong software engineering fundamentals Production Machine Learning/AI engineering AWS Agentic AI and LLM‐based applications Retrieval Augmented Generation (RAG) LangChain and/or LangGraph Vector databases and retrieval MLOps and production deployment AI evaluation, testing and observability AI governance, model risk and engineering controls ...

Staff ML Engineer | Agentic AI & Applied ML | London (Hybrid) | Contract | Inside IR35

Location
City Of London, England, United Kingdom
across multiple engineering teams Defining reusable engineering standards, architectures and implementation patterns Designing and evolving production RAG and retrieval architectures Establishing effective LangGraph/LangChain patterns for agentic applications Improving AI evaluation, testing, observability and production monitoring Developing guardrails, controls and approaches to hallucination and model risk Supporting the move … across: Python and strong software engineering fundamentals Production Machine Learning/AI engineering AWS Agentic AI and LLM-based applications Retrieval Augmented Generation (RAG) LangChain and/or LangGraph Vector databases and retrieval MLOps and production deployment AI evaluation, testing and observability AI governance, model risk and engineering controls ...

Engineering Team Lead | Tech | London, UK

Location
City Of London, England, United Kingdom
encouraging our developers Conducting regular 121's, setting objectives and assisting with tailored development plans Our engineering environment includes technologies such as Python (FastAPI), LangChain/LangGraph for multi-agent LLM orchestration, React/TypeScript, PostgreSQL, MongoDB, Redis, Azure (App Service, Container Registry, Blob Storage), Docker, GitHub Actions, and modern … experience in closely related languages Hands-on experience building or maintaining LLM-powered applications - prompt design, multi-provider integration, and agent orchestration (e.g. LangChain/LangGraph or an equivalent framework) Strong RDBMS experience (e.g. PostgreSQL) and comfort with document stores (e.g. MongoDB) and caching layers (e.g. Redis) Comfortable working with ...

GenAI Full-Stack Engineer — Consultant (POCs to Production)

Location
Greater London, England, United Kingdom
clients in London, Manchester, or Glasgow. You will design, develop and scale full-stack solutions, collaborating with cross-functional teams and leveraging AI frameworks, LangChain, and cloud platforms. The role offers hybrid working, opportunities to grow in GenAI, and exposure to client-facing engagements. A security clearance or eligibility ...

Remote AIOps Lead: Scale AI Agents & Automations

Location
Greater London, England, United Kingdom
business. You will lead the AI Ops team from day one, owning delivery, growth, and value realization, and work with Claude, Claude Code, LangChain and other tools to empower internal teams and customer-facing products. You will lead three engineers, shape prioritisation, and build scalable tooling that accelerates financial inclusion ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
communicate effectively with technical and non-technical stakeholders Desirable: BigQuery or similar data warehousing tools ETL/ELT platforms AI frameworks such as LangChain or CrewAI React or modern JavaScript frameworks What They Offer Up to £55,000 salary Bonus scheme Hybrid working Wellbeing allowance Enhanced parental leave Study ...

Senior Researcher, Natural Language Processing

Location
Greater London, England, United Kingdom
Familiarity with training optimization frameworks like DeepSpeed, FSDP, and LoRA is highly preferred. Experience using tools and frameworks such as LLaMAFactory, Hugging Face Transformers, LangChain, or OpenLLM for model deployment, serving, or pipeline development. Comfortable with using modern MLOps practices for NLP workflows. Demonstrated ability to publish research results ...

Engineering Team Lead (AI Focused)

Location
Greater London, England, United Kingdom
encouraging our developers Conducting regular 121's, setting objectives and assisting with tailored development plans Our engineering environment includes technologies such as Python (FastAPI), LangChain/LangGraph for multi-agent LLM orchestration, React/TypeScript, PostgreSQL, MongoDB, Redis, Azure (App Service, Container Registry, Blob Storage), Docker, GitHub Actions, and modern … experience in closely related languages Hands-on experience building or maintaining LLM-powered applications - prompt design, multi-provider integration, and agent orchestration (e.g. LangChain/LangGraph or an equivalent framework) Strong RDBMS experience (e.g. PostgreSQL) and comfort with document stores (e.g. MongoDB) and caching layers (e.g. Redis) Comfortable working with ...

Lead AI Software Engineer

Hiring Organisation
Wells Fargo
Location
London, UK
Employment Type
Full-time
context sharing between models, tools, applications, and agent runtimes. Develop and support agentic workflows that execute complex, multi-step tasks using frameworks such as LangChain Deep Agents, Google ADK, or similar agent frameworks. Build skill-based and modular agents that decompose capabilities into reusable, composable, and versioned skills. Build reusable … understanding of MCP protocol, including tool registration, schemas, message flows, clients, servers, and lifecycle patterns. Experience developing agent-driven workflows using frameworks such as LangChain, Google ADK, or similar orchestration frameworks. Experience frontend fundamentals, including HTML, CSS, JavaScript, browser rendering, DOM APIs, and performance tuning. Experience with automated testing withPlaywright ...

Lead Product Manager AIOPs

Hiring Organisation
S&P Global
Location
London, UK
Employment Type
Full-time
About the Role: Grade Level (for internal use):11The Team: The AIOps team is responsible for S&P Global's enterprise AIOps platform and strategy, driving the modernization of IT Operations and Site Reliability Engineering ...

Lead Product Manager AIOPs

Location
Greater London, England, United Kingdom
About the Role: Grade Level (for internal use): 11 The Team: The AIOps team is responsible for S&P Global's enterprise AIOps platform and strategy, driving the modernization of IT Operations and Site Reliability ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £55,000 per annum
integrations Understanding of digital marketing channels such as SEO, Paid Search, Content, or Paid Social Desirable: BigQuery Funnel, Adverity, or similar ETL tools React LangChain, CrewAI, or AI workflow automation What They Offer Up to £55,000 salary Company bonus Hybrid working Exposure to AI, automation, and data-focused projects ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
platforms such as Funnel or Adverity Experience pulling and transforming data through APIs Hands-on experience integrating AI into tools and workflows, including LangChain or CrewAI Agency experience The role is hybrid, with two days a week in either London or Brighton (London preferred) , and offers ...

Martech Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£45,000 - £55,000 per annum
warehouse technologies. ETL or ELT tools such as Funnel, Adverity, or similar platforms. Data visualisation and dashboarding solutions. AI and agentic frameworks such as LangChain or CrewAI. Experience integrating AI capabilities into products and workflows. What They Offer Exposure to innovative AI, automation, and data projects. Strong opportunities to broaden ...

Lead AI Labs Software Engineer Python Developer Finance London

Hiring Organisation
Joseph Harry Ltd
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Lead AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google AutoGen Pydantic AI Bedrock PydanticAI 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: Lead AI Labs Software Engineer (Programmer Software Engineer Developer Python Amazon Web Services AWS Strands Agents AI LangChain LangGraph CrewAI Google ...