1 to 25 of 100 LangChain Jobs in the UK

AI Solutions Engineer, Post Sales - Weights & Biases

Hiring Organisation
Weights & Biases
Location
London, England, United Kingdom
experience in a similar role Strong programming proficiency in Python Experience with deep learning frameworks (TensorFlow/Keras, PyTorch Lightning) and tools (e.g., Streamlit, LangChain) Familiarity with cloud platforms (AWS, GCP, Azure) Strong experience with Linux/Unix Excellent communication and presentation skills, both written and verbal Ability to break ...

Principal AI Solutions Architect

Hiring Organisation
Anaplan
Location
London, England, United Kingdom
engineering, and GenAI application design Strong understanding of agentic AI patterns, multi-agent systems, and autonomous decision-making frameworks Experience with enterprise AI frameworks (LangChain, LlamaIndex, CrewAI, Haystack, or similar) Strong programming skills in Python and experience with modern AI/ML tooling (PyTorch, TensorFlow, etc.) Experience designing RESTful APIs ...

AI Engineer

Hiring Organisation
167 Solutions Ltd
Location
Bristol, Avon, South West, United Kingdom
Employment Type
Permanent, Work From Home
learning, NLP, and large language models. Strong experience with transformer models, embeddings, vector search, and Generative AI architectures. Practical experience using Hugging Face, OpenAI, LangChain, Retrieval Augmented Generation, and diffusion models. Strong MLOps experience including MLflow, Kubeflow, Airflow, Docker, Kubernetes, and CI and CD tooling. Strong programming skills in Python. ...

Senior AI/ML Consultant

Hiring Organisation
Telefónica Tech (EN)
Location
London, England, United Kingdom
Foundry, AI Search, Document Intelligence, AI Services) Data Science & Machine Learning (Databricks, Python, SKLearn, XGBoost, MLFlow, EDA) Familiarity with LLMs (OpenAI, Prompt Engineering, LangChain) Relevant Azure Data & Computation services (ADLS, ADF, Databricks, SQL Databases) Supporting: Azure ML Services React/CSS/JavaScript Azure infrastructure R, Powershell Kubernetes/Docker ...

GenAI Engineer

Hiring Organisation
Anaplan
Location
Manchester, England, United Kingdom
problem-solving skills and attention to detail Bachelor's degree in computer science, Machine Learning, or related field Preferred Qualifications Experience with GenAI frameworks (LangChain, LlamaIndex, Haystack, or similar) Knowledge of vector databases (Pinecone, Weaviate, Qdrant) and embedding models Experience with model serving frameworks (vLLM, TensorRT, Ray) Background in forecasting ...

Principal AI/ML Manager

Hiring Organisation
Collinson
Location
London Area, United Kingdom
Context Protocol (MCP) and evaluation frameworks such as LLM-as-a-Judge. Hands-on experience building agent-based AI solutions using orchestration frameworks (e.g. LangChain, Crew AI, etc), deployed in production environments. Expert programming skills in Python, with strong engineering discipline in testing, optimisation, CI/CD, and code quality ...

Agentic AI Engineer – Microsoft Ecosystem

Hiring Organisation
Avanade
Location
England, United Kingdom
architectures and their integration into enterprise systems You have experience with GenAI development frameworks or orchestration tools such as Semantic Kernel, AutoGen, LangGraph, LangChain, or PromptFlow. You are familiar with core agent communication protocols, including MCP or A2A. You are a person who loves to stay current with the latest ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£800/day
Strong grasp of containerization and cloud deployment (Docker, AWS, Azure). Tools & Platforms GitHub Copilot, ChatGPT/GPT-4, Claude for AI-assisted development. LangChain, LlamaIndex for RAG implementations. SonarQube for code security and quality assurance. Jira with AI plugins for agile delivery. Monitoring tools like Datadog and Dynatrace ...

AI Evangelist

Hiring Organisation
Tenth Revolution Group
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£800 per day
Strong grasp of containerization and cloud deployment (Docker, AWS, Azure). Tools & Platforms GitHub Copilot, ChatGPT/GPT-4, Claude for AI-assisted development. LangChain, LlamaIndex for RAG implementations. SonarQube for code security and quality assurance. Jira with AI plugins for agile delivery. Monitoring tools like Datadog and Dynatrace ...

Principal Architect

Hiring Organisation
hackajob
Location
Isleworth, England, United Kingdom
software or systems architecture, with strong focus in AI/ML domains. Proven experience designing and deploying AI solutions using frameworks such as LangChain, RAG, and vector databases or the MCP protocol. Deep understanding of LLMs, prompt engineering, model evaluation, and fine-tuning strategies. Strong proficiency in ML frameworks (e.g. ...

Software Engineer, Analytics

Hiring Organisation
Roku
Location
Cambridge, England, United Kingdom
analytical insights into working software. Familiarity with data tools such as Jupyter notebooks, pandas, or similar data analysis libraries. Curiosity about LLM infrastructure, including LangChain/LangGraph, RAG patterns, and vector search—or eagerness to learn about building systems that call LLMs in structured, deterministic ways. Interest in metadata systems ...

AI Engineer

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
Salary
£80,000
teams to deliver high-quality AI solutions Essential Skills & Experience 2-6 years of Python development experience Hands-on experience with Generative AI frameworks (LangChain, LlamaIndex, Haystack) and LLM APIs Knowledge of prompt engineering, vector databases (Pinecone, ChromaDB, FAISS), and model fine-tuning Cloud deployment experience with Docker/Kubernetes ...

AI Engineer

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £80,000 per annum, Inc benefits
teams to deliver high-quality AI solutions Essential Skills & Experience 2-6 years of Python development experience Hands-on experience with Generative AI frameworks (LangChain, LlamaIndex, Haystack) and LLM APIs Knowledge of prompt engineering, vector databases (Pinecone, ChromaDB, FAISS), and model fine-tuning Cloud deployment experience with Docker/Kubernetes ...

ML Engineer - LLM RAG AWS MLOps – Bristol (Hybrid)

Hiring Organisation
Avanti
Location
Bristol, Avon, England, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
background, model evaluation and feature engineering Good communication skills and ability to work cross-functionally Bonus points for: LLM fine-tuning and frameworks like LangChain, Hugging Face or LlamaIndex Semantic search, recommendation engines, time-series or computer vision IaC tools like Terraform or CloudFormation Real-time inference, distributed training ...

Senior ML Engineer

Hiring Organisation
Oscar Associates (UK) Limited
Location
London, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£90,000
translate requirements into robust ML solutions. Who You Are Strong proficiency in Python and experience with PyTorch or TensorFlow . Practical experience with LangChain, LangGraph, AutoGen , or similar LLM/agent frameworks. Skilled in prompt engineering , integrating foundation model APIs, and LLM fine-tuning techniques. Expertise in building RAG systems ...

Senior ML Engineer

Hiring Organisation
Oscar Technology
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £90,000 per annum
translate requirements into robust ML solutions. Who You Are Strong proficiency in Python and experience with PyTorch or TensorFlow . Practical experience with LangChain, LangGraph, AutoGen , or similar LLM/agent frameworks. Skilled in prompt engineering , integrating foundation model APIs, and LLM fine-tuning techniques. Expertise in building RAG systems ...

Senior Data Scientists / Analysts – SC/DV Cleared — Multiple Openings 🌳

Hiring Organisation
Areti Group | B Corp™
Location
London Area, United Kingdom
pipelines , real-time analytics, or edge deployments. Big Data stack knowledge (e.g., Hadoop, Spark, Kafka). GenAI/LLM experience (e.g., AWS Bedrock, LangChain). Why this is a great move 🌳 Mission & impact: Work on projects where data-driven decisions have real-world consequences. Growth: Multiple openings from mid-level ...

Global IT GenAI Software Engineer Director & Chapter Lead

Hiring Organisation
Boston Consulting Group
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
during development. Experience designing and deploying Retrieval-Augmented Generation (RAG) pipelines, working with LLM APIs (AWS Bedrock, OpenAI, Azure OpenAI), and using frameworks like LangChain or LangGraph. Strong knowledge of SDLC principles, CI/CD pipelines, and modern engineering practices. Excellent communication and collaboration skills to partner across engineering, product ...

Senior Specialist Solutions Architect - DS/ML/AI/GenAI

Hiring Organisation
Databricks
Location
London, England, United Kingdom
Scientist: Experience with the latest techniques in natural language processing including vector databases, fine-tuning LLMs, and deploying LLMs with tools such as HuggingFace, Langchain, and OpenAI Graduate degree in a quantitative discipline (Computer Science, Engineering, Statistics, Operations Research, etc.) or equivalent practical experience Experience communicating and teaching technical concepts ...

Mid Senior GenAI Platform Engineer

Hiring Organisation
E.ON
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
Competitive salary
Kubeflow). Proven experience designing, implementing, and optimising complex RAG pipelines using vector databases (e.g., Pinecone, PGVector). Practical experience with agentic frameworks (e.g., LangChain, LlamaIndex, Langgraph, or custom implementation) and defining tool-use patterns. Demonstrated experience designing complex, multi-tenant platform systems, prioritising reliability, security, and separation of concerns. ...

GenAI Full Stack Developer (SC Cleared/Eligible)

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Permanent
across the stack, contribute to infrastructure, and collaborate with multidisciplinary teams to deliver impactful digital experiences. Key Responsibilities Build GenAI applications using frameworks like LangChain, LangGraph, or CrewAI. Develop microservices using Python (FastAPI) or TypeScript (Express). Create front-end applications with React, TypeScript, and frameworks like Next.js or Vite. ...

Product Manager

Hiring Organisation
IQVIA
Location
London, England, United Kingdom
measure impact on speed, quality, and cost of clinical trials. Innovative & Experimentation: Stay ahead of the curve on Gen AI and agentic frameworks (e.g., LangChain, Autogen, CrewAI). Evaluate emerging tools and models for integration into the product stack. Process Optimization and Quality Management: Apply Lean and Six Sigma principles ...

Sr. Machine Learning Engineer

Hiring Organisation
Typeform
Location
United Kingdom
hands-on experience in building and deploying ML models in production environments. Strong proficiency in Python and popular ML Frameworks such as PyTorch, LangChain, Agents. Experience with AWS Cloud, Kubernetes, ArgoCD, Docker, Terraform, Jenkins and strong understanding of CI/CD pipelines for ML and model deployment best practices. Experience ...

Lead Data Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£70,000 - £75,000 per annum
skills. Passion for innovation and ethical, scalable AI. Nice to Have Experience in digital marketing or web development (PHP, HTML, JS). Familiarity with LangChain , RAGAS , or similar frameworks. ...

GenAI Senior Consultant

Hiring Organisation
Conexus
Location
Westminster, Greater London, UK
technical grounding in GenAI and ML, including LLMs, RAG, MLOps and prompt engineering. Hands-on familiarity with platforms such as AWS Bedrock, Google Vertex, LangChain or LlamaIndex. Experience working across legacy systems as well as modern cloud-native stacks. Proven track record delivering in agile environments and supporting digital transformation ...