23 of 23 Permanent LangChain Jobs in the South East

NSL- ML Engineer

Hiring Organisation
Hackajob Ltd
Location
South West London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Weights & Biases, Data Version Control) Experience developing LLM/GenAI applications, including prompt engineering and RAG architectures Familiarity with LLMOps tooling such as LangSmith, LangChain, or LangGraph Understanding of model evaluation, validation techniques, and production monitoring Experience working in cross-functional teams from problem framing through to production delivery Ability ...

AI Specialist

Hiring Organisation
Response Informatics
Location
Reading, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Salary
£75,000
Looking For 7+ years software engineering experience 2+ years hands-on in AI/ML & GenAI solutions Strong Python & Java skills Experience with LangChain, LlamaIndex, CrewAI, or similar Knowledge of RAG, vector databases, and semantic search AWS cloud expertise (Bedrock, SageMaker preferred) Experience with APIs, microservices, and cloud-native architecture ...

AI Engineer

Hiring Organisation
Huxley Associates
Location
South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
grade software. Hands-on experience with technologies such as Azure OpenAI, Azure AI Services, and Azure Machine Learning. Knowledge of modern AI frameworks including LangChain, Hugging Face, PyTorch, or similar technologies. Deep understanding of LLMs, RAG architectures, vector databases, prompt engineering, agentic AI, and multi-agent systems. Experience deploying, monitoring ...

Senior AI Engineer

Hiring Organisation
Lynx Recruitment Limited
Location
South West London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£80,000
machine learning engineering experience 2+ years building and deploying GenAI/LLM applications in production Strong Python development skills Hands-on experience with LangGraph, LangChain, LlamaIndex, CrewAI or similar Experience with AWS, particularly Bedrock, Lambda, ECS, EKS or SageMaker Strong understanding of RAG, agentic AI and multi-agent architectures Experience ...

GenAI Full Stack Engineer - Managing Consultant

Hiring Organisation
83zero Limited
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Salary
£80,000
equivalent Frontend Development: Experience in building React applications using TypeScript, leveraging frameworks such as Next.js or Vite. GenAI Frameworks: Familiarity with tools like LangChain, LangGraph, CrewAI, or Vercel AI (in Python or JavaScript). LLM experience: Practical experience with Large Language Models (LLMs) such as OpenAI, Anthropic, Mistral, or Llama ...

AI Delivery Lead

Hiring Organisation
Experis
Location
South East, United Kingdom
Employment Type
Permanent Contract, On-site
production Strong experience leading technical teams and complex transformation programmes Deep expertise in LLMs, RAG architectures, Prompt Engineering and Generative AI frameworks such as LangChain or LangGraph Hands-on experience with Python, PyTorch, TensorFlow, MLOps/LLMOps and cloud platforms (Azure, AWS or GCP) Experience deploying AI solutions within government ...

Senior Solutions Architect

Hiring Organisation
Yoh Solutions Ltd
Location
Abingdon, South East, United Kingdom
Employment Type
Permanent Contract, On-site
Prompt engineering and agent reasoning AI model performance, latency and inference-cost optimisation Scalable cloud-based AI deployment Experience with technologies such as LangGraph, LangChain, LlamaIndex, AutoGen, Google Vertex AI, Gemini, BigQuery, Qdrant, ChromaDB, Pinecone, Weaviate or Milvus would be valuable. Network Programmability Hands-on network programmability experience ...

Senior Solutions Architect

Hiring Organisation
Yoh
Location
OX1, Oxford, Oxfordshire, United Kingdom
Employment Type
Permanent
Salary
£90000 - £110000/annum
Prompt engineering and agent reasoning AI model performance, latency and inference-cost optimisation Scalable cloud-based AI deployment Experience with technologies such as LangGraph, LangChain, LlamaIndex, AutoGen, Google Vertex AI, Gemini, BigQuery, Qdrant, ChromaDB, Pinecone, Weaviate or Milvus would be valuable. Network Programmability Hands-on network programmability experience ...

Senior Software Engineer, AI Agents

Location
Staines-upon-Thames, England, United Kingdom
including RAG pipelines (hybrid retrieval, embeddings) and agentic systems (agent orchestration, tool usage). Experience with AI frameworks and tooling such as Pydantic AI, LangChain, and MCP. Experience with MCP development and plan-based agentic software development. Experience with DevOps and cloud-native infrastructure, including Docker, Kubernetes, CNCF technologies ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£130,000 - £160,000 per annum
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 ...

Senior GCP Data Architect - Autonomous Networks & AI Platform

Hiring Organisation
Capgemini
Location
Oxfordshire, United Kingdom
Employment Type
Full Time
ready data platforms Telecom Domain Experience Nice-to-Have Qualifications Experience with Digital Twin platforms Experience with Knowledge Graph implementations Data Mesh architectures LangChain, LangGraph and LlamaIndex Vertex AI and Gemini Vector databases (Pinecone, Weaviate, Milvus, Qdrant) Kubernetes and GKE Autonomous Network and AI-Ops programmes If you're excited ...

AI Platform Engineer - TypeScript AWS MCP Agentic AI

Hiring Organisation
Method-Resourcing
Location
South East, United Kingdom
Employment Type
Permanent Contract, On-site
Salary
£90,000
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 ...

Data Scientist

Hiring Organisation
Hackajob Ltd
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
+ 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 ...

AI/ML Security Architect

Location
Reading, England, United Kingdom
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 ...

Applied AI Engineer

Hiring Organisation
Sterling Bridge Limited
Location
Central London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
development and software engineering experience. Commercial experience delivering AI solutions into production. Hands-on experience with LLMs, RAG and AI agent architectures. Experience using LangChain, LangGraph, Hugging Face or similar frameworks. Knowledge of vector databases such as Pinecone. Experience building APIs and integrating AI into existing applications. Ability to translate ...

AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £150,000 per annum
technologies. Backed by an established business, they combine startup agility with strong commercial foundations. The Role Build multi-step AI agent workflows using LangGraph, LangChain or similar frameworks Develop production RAG pipelines, embeddings and retrieval systems Design AI evaluation frameworks and testing infrastructure Optimise model performance, reliability, latency and cost ...

Engineering Team Lead AI Python

Hiring Organisation
Client Server
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Remote
modern asynchronous web frameworks You have hands-on experience building LLM powered applications, including prompt design, multi-provider integration and agent orchestration (e.g. LangChain or LangGraph) You have strong PostgreSQL skills, and are familiar with MongoDB and Redis You're comfortable using AI assisted development tools such as Claude Code ...

Security Penetration Tester

Hiring Organisation
Response Informatics
Location
reading, south east england, united kingdom
/ML security Strong programming skills in Python/Java Hands-on experience with ML frameworks (e.g., PyTorch, TensorFlow) Familiarity with AI tooling (e.g., LangChain, LlamaIndex, red-teaming toolkits) Proven ability to assess and secure AI systems end-to-end Nice to Have Masters degree in Computer Science, Cybersecurity ...

Senior Data Scientist

Location
Brighton, England, United Kingdom
operate. Strong ML experience, hands-on NLP and production experience with agentic AI are essential. Our stack includes AWS, Python, PyTorch, Docker, LangChain/LangGraph and Langfuse. Experience with reinforcement learning or an understanding of sales psychology would be desirable plus there's plenty of ambitious work now and upcoming. … Python, plus PyTorch, scikit-learn or similar frameworks Hands-on LLM work: prompting, fine-tuning, grounding and guardrails Agentic systems at scale, including orchestration (LangChain/LangGraph), tracing and evals (Langfuse), memory design, and latency and cost trade-offs Embeddings, vector search and hybrid search Solid grounding in statistics ...

Senior Data Scientist - Perm - Hybrid

Hiring Organisation
INFUSED SOLUTIONS LIMITED
Location
South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Salary
£75,000
science solutions. Model evaluation, testing and performance optimisation. MLOps and production AI deployment. Data engineering and pipeline development. Experience with AI frameworks such as LangChain, LlamaIndex or similar. About You You'll be a technically strong and creative problem solver who enjoys tackling complex challenges and exploring new approaches. … science solutions. Model evaluation, testing and performance optimisation. MLOps and production AI deployment. Data engineering and pipeline development. Experience with AI frameworks such as LangChain, LlamaIndex or similar. About You You'll be a technically strong and creative problem solver who enjoys tackling complex challenges and exploring new approaches. ...

Technical Implementation Program Manager

Location
Witney, England, United Kingdom
killer apps.” Sequoia highlighted Bunkerhill as part of the rising cohort of “AI’s Killer Apps” in its AI Ascent keynote, alongside companies like LangChain and OpenEvidence. LinkedIn Regulatory and clinical credibility, not just demos. Our platform incorporates multiple FDA‐cleared algorithms, including models for cardiovascular findings such as aortic ...

Applied AI Engineer

Hiring Organisation
Sterling Bridge Limited
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, On-site
modern AI technologies and can move beyond experimentation to build scalable applications. You'll be working with technologies such as Python, LLMs, Hugging Face, LangChain, LangGraph, RAG architectures and vector databases, alongside modern software engineering practices. This would suit an engineer who enjoys building, experimenting and taking ownership of products. … Python. Hands-on experience building and deploying AI-powered applications. Practical knowledge of LLMs, RAG and agentic AI systems. Experience with frameworks such as LangChain, LangGraph or Hugging Face. Exposure to vector databases such as Pinecone. Experience integrating AI capabilities into production software. Full-stack development or API integration experience. ...

Machine Learning Researcher

Hiring Organisation
RedTech Recruitment Ltd
Location
City of London, South East, United Kingdom
Employment Type
Permanent Contract, Hybrid
Salary
£79,999
Clear communication skills, including the ability to explain technical concepts to a range of stakeholders Experience in any of the following would be beneficial: LangChain and/or LangGraph Developing AI agents, copilots, enterprise search or workflow automation solutions Working with company data, APIs or business processes Familiarity with Linux … Scientist/Deep Learning Researcher/NLP Researcher/Research Software Engineer/Python/PyTorch/Large Language Models/LLM/LangChain/LangGraph/AI Agents/Enterprise Search/Neural Networks/Model Deployment/Edge AI/TensorFlow/scikit-learn/Linux/ ...