26 to 50 of 88 LangChain Jobs in the UK

GenAI Full Stack Engineer

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. ...

AI Engineer

Hiring Organisation
Reward Gateway
Location
London, England, United Kingdom
providers such as Anthropic, Claude and OpenAI, with the ability to evaluate additional model providers and approaches. Familiarity with LLM tooling ecosystems such as LangChain or LlamaIndex, agentic AI frameworks, vector stores, tracing and logging tools, prompt management platforms, and evaluation frameworks. Strong data engineering capabilities, including dataset creation ...

GenAI Engineer

Hiring Organisation
Klarus
Location
City of London, London, United Kingdom
Design, configure and manage secure GenAI development environments (Azure, AWS, GCP, or hybrid). Design and implement agent orchestration architectures using frameworks such as LangChain, LlamaIndex, Semantic Kernel, AutoGen, or custom event-driven systems. Integrate with enterprise systems, APIs, data stores and operational tooling. Establish governance frameworks covering PII detection ...

Artificial Intelligence Engineer

Hiring Organisation
LT Harper Recruitment Group
Location
London Area, United Kingdom
agents). Ability to move fast without compromising on code quality, testing, and operational excellence . Nice to have Experience with tools such as LangChain, LlamaIndex, Haystack, Hugging Face, Weaviate, CrewAI, AutoGen , or similar. Hands-on work with Retrieval Augmented Generation , AI agents, and agent orchestration frameworks. Experience working with ...

Solutions Architect

Hiring Organisation
X4 Technology
Location
City of London, London, United Kingdom
platform. What You’ll Be Doing • Architect and implement enterprise Generative AI solutions using LLMs, RAG pipelines, prompt engineering and frameworks such as LangChain • Design scalable AI systems using Azure OpenAI, OpenAI API, Claude, Bedrock or Vertex AI • Lead the architecture of secure, production-ready solutions across cloud and distributed ...

Senior AI Scientist

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
years experience in a commercially driven customer environment Strong Python skills and solid grounding in AI/ML fundamentals. Experience with some of Databricks, LangChain , vector databases , or LLM orchestration tools . Knowledge of RAG pipelines , transformers , and modern AI architectures . Understanding of deployment or MLOps best practices (Azure ...

Staff AI Engineer - Fitness & Health

Hiring Organisation
Harnham
Location
London Area, United Kingdom
looking for 6+ years’ experience delivering production AI/ML systems Strong Python and SQL Proven hands-on GenAI experience (LLMs/RAG; LangChain/LlamaIndex/LangGraph-style tooling preferred) A track record of autonomous ownership - running projects with minimal supervision Strong stakeholder engagement: can influence and communicate with ...

Junior Engineer

Hiring Organisation
Steadrock Capital Limited
Location
London, England, United Kingdom
experience in ML, transformers, NLP, or distributed systemsBonus (not required) Interest in real estate Interest in finance or quantitative modelling Experience building agents (LangChain, LlamaIndex, custom architectures) What We Offer Work directly with an NVIDIA DGX system Build AI systems from the ground up Very high autonomy Exposure to private ...

Senior AI Engineer - Fitness & Health

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
teams What they’re looking for 4-6+ years of industry experience Strong Python and SQL Hands-on GenAI delivery (RAG/LLMs; LangChain-style tooling strongly preferred) Comfortable operating independently with real ownership Solid stakeholder management and ability to explain clearly to non-technical audiences DS background that ...

Principal AI Software Engineer

Hiring Organisation
Formula Recruitment
Location
City of London, London, United Kingdom
Requirements: Proven experience designing and productionising RAG pipelines and agentic AI architectures Hands‐on delivery of agent‐based AI systems with orchestration tools (e.g., LangChain, CrewAI) in production. Strong Python engineering skills with solid testing, optimisation, CI/CD, and code quality; Experience implementing and scaling vector databases (Pinecone, Weaviate ...

Artificial Intelligence Engineer

Hiring Organisation
Prolo
Location
City of London, London, United Kingdom
TypeScript: Deep proficiency in Python for production AI and strong technical fluency in TypeScript. AI Frameworks: Hands-on experience with some of the following LangChain/LangGraph, LlamaIndex, PyTorch , and FastAPI . Modern Infrastructure: Experience with AWS Bedrock/SageMaker and using Docker/Kubernetes to scale agent instances. ...

Data Engineer

Hiring Organisation
Anson Mccade
Location
Stevenage, Hertfordshire, South East, United Kingdom
Employment Type
Permanent
Salary
£55,000
/HDFS , Spark , and containerization via Docker/Kubernetes (K3s/OpenShift) . AI/ML Practical experience with NLP (HuggingFace) and GenAI frameworks (LangChain) tailored for local execution. Databases Experience with PostgreSQL and on-prem Vector DBs (e.g., Milvus, Qdrant, or pgvector). Security Experience working within Linux-based ...

Artificial Intelligence Engineer - Fitness & Health

Hiring Organisation
Harnham
Location
London Area, United Kingdom
teams What they’re looking for 4-6+ years of industry experience Strong Python and SQL Hands-on GenAI delivery (RAG/LLMs; LangChain-style tooling strongly preferred) Comfortable operating independently with real ownership Solid stakeholder management and ability to explain clearly to non-technical audiences DS background that ...

Pre Sales AI Architect

Hiring Organisation
MBN Solutions
Location
City of London, London, United Kingdom
LLMs Embeddings, vector databases, RAG MLOps and model lifecycle management Experience with platforms such as: Azure ML, AWS SageMaker, Google Vertex AI Databricks, LangChain, Hugging Face Ability to develop architecture artefacts (HLDs, solution diagrams, delivery models) Exceptional writing, storytelling, and stakeholder engagement skills Experience in consultancy, systems integration ...

Senior Data Scientist

Hiring Organisation
DVSA.GOV
Location
Nottingham, Nottinghamshire, United Kingdom
Employment Type
Permanent
Salary
£44241/annum
develop Python skills) Familiarity with essential data science tools and libraries (e.g. NumPy, Pandas, Scikit-Learn) and machine learning (e.g. PyTorch, Tensorflow, Huggingface, LangChain, LiteLLM). A high level of competence in applied maths, statistics and scientific methods. Clear written and verbal communication. Ability to work autonomously on data science ...

Senior Data Scientist

Hiring Organisation
DVSA.GOV
Location
Bristol, City of Bristol, United Kingdom
Employment Type
Permanent
Salary
£44241/annum
develop Python skills) Familiarity with essential data science tools and libraries (e.g. NumPy, Pandas, Scikit-Learn) and machine learning (e.g. PyTorch, Tensorflow, Huggingface, LangChain, LiteLLM). A high level of competence in applied maths, statistics and scientific methods. Clear written and verbal communication. Ability to work autonomously on data science ...

Senior Data Scientist

Hiring Organisation
DVSA.GOV
Location
Hounslow, London, United Kingdom
Employment Type
Permanent
Salary
GBP 44,241 Annual
develop Python skills) Familiarity with essential data science tools and libraries (e.g. NumPy, Pandas, Scikit-Learn) and machine learning (e.g. PyTorch, Tensorflow, Huggingface, LangChain, LiteLLM). A high level of competence in applied maths, statistics and scientific methods. Clear written and verbal communication. Ability to work autonomously on data science ...

Senior Data Scientist

Hiring Organisation
DVSA
Location
Hayes, Middlesex, England, United Kingdom
Employment Type
Full-Time
Salary
£44,241 per annum
develop Python skills) Familiarity with essential data science tools and libraries (e.g. NumPy, Pandas, Scikit-Learn) and machine learning (e.g. PyTorch, Tensorflow, Huggingface, LangChain, LiteLLM). A high level of competence in applied maths, statistics and scientific methods. Clear written and verbal communication. Ability to work autonomously on data science ...

Senior Data Scientist

Hiring Organisation
DVSA.GOV
Location
Swansea, City and County of Swansea, West Glamorgan, United Kingdom
Employment Type
Permanent
Salary
£44241/annum
develop Python skills) Familiarity with essential data science tools and libraries (e.g. NumPy, Pandas, Scikit-Learn) and machine learning (e.g. PyTorch, Tensorflow, Huggingface, LangChain, LiteLLM). A high level of competence in applied maths, statistics and scientific methods. Clear written and verbal communication. Ability to work autonomously on data science ...

Senior Data Scientist

Hiring Organisation
DVSA.GOV
Location
Hillingdon, Greater London, Hayes, United Kingdom
Employment Type
Permanent
Salary
£44241/annum
develop Python skills) Familiarity with essential data science tools and libraries (e.g. NumPy, Pandas, Scikit-Learn) and machine learning (e.g. PyTorch, Tensorflow, Huggingface, LangChain, LiteLLM). A high level of competence in applied maths, statistics and scientific methods. Clear written and verbal communication. Ability to work autonomously on data science ...

Senior AI Engineer

Hiring Organisation
Copa Resourcing Group LTD
Location
City of London, London, United Kingdom
Employment Type
Permanent
Required Experience Strong commercial experience building LLM-driven systems Hands-on RAG architecture implementation Solid Python software engineering background Experience with frameworks such as LangChain, LlamaIndex or similar Exposure to vector databases and embedding workflows Cloud deployment experience (Azure advantageous) Experience delivering production systems at scale Role Type Both Permanent ...

GenAI Engineer - Global Beauty Brand

Hiring Organisation
Harnham
Location
City of London, London, United Kingdom
Details • Salary: up to £85k + 10% bonus • Working model: Hybrid London (2–3 days in office) • Tech stack: Python, GCP (preferred), FastAPI, LangChain/LangGraph, CI/CD • Visa sponsorship: Not available Interested? Please apply below. ...

Lead Software Engineer (MongoDB / Node.js / JavaScript)

Hiring Organisation
Adria Solutions
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£75,000
Experience Not essential, but a big bonus: Integrating AI/ML models Working with LLM APIs (OpenAI, Anthropic, etc.) Prompt engineering AI workflow tools (LangChain, Flowise) Building internal AI automation tools Benefits This company genuinely invests in its people. Youll enjoy: Remote-first working with offices in London, Manchester Flexible ...

Advisory Engineer

Hiring Organisation
WorkGenius Group
Location
City of London, London, United Kingdom
direction beyond the immediate team. Core Skills Expert-level Python (async programming, performance optimization, SDK/library design). Deep understanding of agentic frameworks (LangChain, LangGraph, LlamaIndex, AutoGen or similar), including internal mechanics. Proven experience shipping production-grade agent systems serving real users at scale. Strong distributed systems design: state ...

Principal AI/LLM Engineer

Hiring Organisation
BAE Systems
Location
South East England, UK
/on-prem environments Deep knowledge of Kubernetes, Docker, and infrastructure automation (Terraform, Helm, Ansible) Good experience with LLM frameworks (Hugging Face, vLLM, DeepSpeed, LangChain, Ray) Familiarity with message queues, API gateways, and service meshes for scalable inference environments Proven programming skills in Python; comfortable with concepts such as Bash ...