1 to 25 of 27 LangChain Jobs in the South East

Lead AI Engineer

Hiring Organisation
Hackajob Ltd
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
technologies. Requirements Experience AI Orchestration & Development: Expert-level experience building complex LLM-powered systems and multi-agent workflows using frameworks like LangGraph, LangChain, AutoGen, or ADK. Artificial Intelligence & Machine Learning: Deep practical understanding of machine learning algorithms, natural language processing (NLP) techniques, and the optimization of large language models ...

AI Engineer - Up to £75K

Hiring Organisation
MWEK Solutions DMCC
Location
Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 75,000 Annual
7+ years' software engineering experience, with 2+ years hands-on in AI/ML and GenAI Strong Python and Java skills Experience with LangChain, LlamaIndex, CrewAI or similar frameworks Knowledge of RAG, vector databases and semantic search AWS expertise (Bedrock and SageMaker preferred) Experience with APIs, microservices and cloud-native ...

AI Technical Lead - Contract

Hiring Organisation
167 Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£500.00 - £700.00 per day
Voice AI Speech-to-text/text-to-speech ElevenLabs AWS Bedrock Amazon SageMaker Google Cloud Platform (GCP) Vertex AI Python FastAPI/APIs LangChain/LangGraph Vector databases Embeddings and semantic search Hugging Face/open-source AI models Prompt engineering Model evaluation and optimisation MLOps/LLMOps Docker ...

Lead Data Scientist - AI

Hiring Organisation
Hackajob Ltd
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
technologies. Requirements Experience AI Orchestration & Development: Expert-level experience building complex LLM-powered systems and multi-agent workflows using frameworks like LangGraph, LangChain, AutoGen, or ADK. Artificial Intelligence & Machine Learning: Deep practical understanding of machine learning algorithms, natural language processing (NLP) techniques, and the optimization of large language models ...

Principal Data Scientist - AI, MLOps & GenAI Lead

Hiring Organisation
Hackajob Ltd
Location
Crawley, West Sussex, South East, United Kingdom
Employment Type
Permanent, Work From Home
technologies. Requirements Experience AI Orchestration & Development: Expert-level experience building complex LLM-powered systems and multi-agent workflows using frameworks like LangGraph, LangChain, AutoGen, or ADK. Artificial Intelligence & Machine Learning: Deep practical understanding of machine learning algorithms, natural language processing (NLP) techniques, and the optimization of large language models ...

AI Engineer

Hiring Organisation
Oscar Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£85,000 - £120,000 per annum
strong AI/ML/NLP foundations Strong Python skills, familiarity with Java/Kotlin, and solid API design experience Hands-on experience with LangChain, LangGraph, and LLM APIs (OpenAI, Anthropic, etc.) Skilled in prompt engineering and orchestrating AI agents/chatbots Familiarity with cloud AI services (Azure preferred), Docker ...

Senior AI Engineer

Hiring Organisation
Deerfoot Recruitment Solutions Ltd
Location
Oxford, Oxfordshire, United Kingdom
Employment Type
Full-Time
Salary
£700.00 - £900.00 per day
multi-agent or agentic AI systems in live production settings, as an engineer rather than an integrator Strong Python skills, comfortable working with LangGraph, LangChain, Haystack or similar, and equally comfortable dropping below the framework when that's the right call Real-world experience deploying AI/ML systems into ...

Senior AI Engineer

Hiring Organisation
Deerfoot Recruitment Solutions
Location
Oxford, Oxfordshire, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£700 - £900 per day + outside IR35
multi-agent or agentic AI systems in live production settings, as an engineer rather than an integrator Strong Python skills, comfortable working with LangGraph, LangChain, Haystack or similar, and equally comfortable dropping below the framework when that's the right call Real-world experience deploying AI/ML systems into ...

Senior AI Engineer (BioTech/Pharma)

Hiring Organisation
Harvey Nash
Location
Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day
Senior Python engineer with strong production software engineering experience. Commercial experience building LLM, agentic AI or multi-agent systems. Hands-on experience with LangGraph, LangChain, Haystack or similar frameworks. Proven ability to deploy AI/ML systems into production environments. Strong knowledge of inference, latency, performance, data pipelines, memory ...

Principal AI Data Engineer

Hiring Organisation
Certain Advantage
Location
South East London, London, United Kingdom
Employment Type
Temporary
Salary
£750 - £800 per day
MLflow. Building, optimising and evaluating Retrieval-Augmented Generation (RAG) solutions using prompt engineering and embedding models. Designing and deploying AI agents using frameworks including LangChain, LangGraph and AutoGen. Delivering production-ready GenAI applications for commercial teams within Trading & Supply. Building scalable AI workflows on Databricks using Mosaic AI, MLflow, Genie ...

AI Engineer

Hiring Organisation
Halian Technology Limited
Location
Wokingham, Berkshire, South East, United Kingdom
Employment Type
Permanent
deploying LLM-based applications, Generative AI solutions, and Agentic AI systems. Experience working with multi-agent architectures and AI orchestration frameworks such as LangChain, Semantic Kernel, or AutoGen. Hands-on experience with Model Context Protocol (MCP) implementations. Strong understanding of vector databases and technologies such as Pinecone, Weaviate, FAISS ...

Senior Software Engineer

Hiring Organisation
Kantar
Location
Reading, United Kingdom
Employment Type
Full Time
Curiosity about AI‐enabled systems and how they scale responsibly Experience with LLMs, AI agent orchestration, or tools such as RAG, vector databases or LangChain is a bonus, but not essential. What's in it for you Flexible hybrid working 25 days leave, 2 days paid for volunteering and life ...

AI Engineer - LLM & Agentic Systems

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£600.00 - £650.00 per day, Negotiable
delivery end-to-end - from initial exploration through to production deployment, integration and ongoing iteration. Working with MCP-style architectures (FastMCP/FastAPI) and LangChain/LangGraph or equivalent frameworks to build reliable, scalable systems. Integrating AI into products, APIs and core business workflows - with a sharp eye on latency ...

AI Engineer (RAG + KnowledgeGraph)

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£825.00 - £875.00 per day
Knowledge Graphs Experience with LLMs, RAG, or GraphRAG architectures Understanding of AI agents and autonomous workflows Cloud experience (AWS, Azure, or GCP) Desirable: LangGraph, LangChain, CrewAI, AutoGen, or similar frameworks Experience deploying GenAI solutions into production environments Details: Outside IR35 Fully Remote 6 month contract Upto £850p/ ...

Python Developer - AI / LLM Platform

Hiring Organisation
Ncounter
Location
Reading, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£90,000 - £100,000 per annum
automated testing with pytest • Experience supporting and improving large, established production codebases, with a strong understanding of secure software development Experience with LangChain, RAG, vector databases, Azure, Entra ID, OAuth/OIDC, Redis, Terraform, Helm, Prometheus, Grafana or OpenTelemetry would be valuable but is not essential. Current SC clearance ...

AI Engineer

Hiring Organisation
167 Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£40,000 - £70,000 per annum
Bristol. Desirable Experience with modern front-end frameworks (React, Next.js or similar). Familiarity with LLM APIs and Gen AI frameworks (e.g. OpenAI, Anthropic, LangChain). Knowledge of CI/CD pipelines and Infrastructure as Code (e.g. CDK, Terraform). Experience with data pipelines, databases or analytics tooling. A portfolio ...

AI Engineer

Hiring Organisation
Lynx Recruitment Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£30,000 - £55,000 per annum
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 ...

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 ...

AI/ML Researcher

Hiring Organisation
Hackajob Ltd
Location
Chelmsford, Essex, South East, United Kingdom
Employment Type
Permanent, Work From Home
will need to be a proficient programmer in Python, with extensive experience in the use of libraries, tools (docker, git) and frameworks (e.g. LangChain/LangGraph or similar) to support efficient development. Typical Responsibilities: Propose and lead novel research in given topic areas. Lead technical delivery of small project teams. ...

AI Engineer – Agentic AI

Location
Burgess Hill, England, United Kingdom
Cloud and infrastructure: AWS and/or GCP, Kubernetes APIs and services: REST, gRPC Distributed systems: event-driven architectures, including Kafka Orchestration Frameworks: LangGraph, LangChain, AirFlow, etc Agentic AI and ML Integration of commercial and open-source LLMs into agentic workflows Agent and orchestration frameworks such as LangChain, LlamaIndex, Semantic ...

AI Security Tester - Up to £60K

Hiring Organisation
MWEK Solutions DMCC
Location
Berkshire, United Kingdom
Employment Type
Permanent
Salary
GBP 60,000 Annual
/ML security Strong Python and Java programming skills Hands-on experience with ML frameworks such as PyTorch or TensorFlow Familiarity with AI tooling (LangChain, LlamaIndex, red-teaming toolkits) Proven ability to assess and secure AI systems end-to-end Nice to Have Master's in Computer Science, Cybersecurity ...

Senior AI Architect — Multi-Agent Systems & LLMOps

Location
Crawley, England, United Kingdom
focuses on mentoring engineers, delivering MVPs to production, and shaping the AI strategy across the business. You'll work with GCP Vertex AI, LangGraph, LangChain, and MLOps pipelines to ensure scalable, secure, and cost-effective solutions. #J-18808-Ljbffr ...

Senior AI Developer

Hiring Organisation
Apache Associates
Location
Hungerford, Berkshire, United Kingdom
Employment Type
Full-Time
Salary
£60,000 - £80,000 per annum
experience with: RAG (Retrieval-Augmented Generation) Agentic workflows and tool use Fine-tuning Vector search and embeddings Retrieval pipelines LLM orchestration frameworks such as LangChain, Semantic Kernel or equivalents Multiple LLM providers and an understanding of their respective strengths and weaknesses Automated test suites and evaluation datasets for AI outputs ...

Lead AI Engineer

Location
Crawley, England, United Kingdom
technologies. Requirements **Experience** **AI Orchestration & Development:** Expert-level experience building complex LLM-powered systems and multi-agent workflows using frameworks like LangGraph, LangChain, AutoGen, or ADK. **Artificial Intelligence & Machine Learning:** Deep practical understanding of machine learning algorithms, natural language processing (NLP) techniques, and the optimization of large language models …/CD Pipelines Technical Architecture Enterprise Deployment Tools & Technologies Google Cloud Platform Vertex AI BigQuery Cloud SQL Google Cloud Storage Docker Kubernetes LangGraph LangChain AutoGen #J-18808-Ljbffr ...

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

Hiring Organisation
WeDo Technology Solutions Limited
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£800.00 - £1,200.00 per day
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 ...