76 to 100 of 148 LangChain Jobs

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 ...

AI Engineer

Hiring Organisation
Searchability (UK) Ltd
Location
Chester, Cheshire, North West, United Kingdom
Employment Type
Permanent
Salary
£50,000
this vacancy only. KEY SKILLS AI Engineer, Agentic AI, Generative AI, LLM, Large Language Models, Python, SQL, RAG, Prompt Engineering, Azure, APIs, AI Agents, LangChain, LangGraph, Claude, MCP, AI Automation ...

Python Engineer

Hiring Organisation
Ncounter
Location
London, UK
Employment Type
Full-time
using embeddings and vector databasesDevelop prompt strategies while managing production considerations including latency, cost, retries and rate limitsExplore agentic workflows and LLM orchestration using LangChain or similar frameworksWork with consultants and customer stakeholders to translate operational problems into practical AI solutionsImprove security, testing, observability and reliability across deployed applicationsWhat ...

AI Platform Engineer - TypeScript AWS MCP Agentic AI

Hiring Organisation
Method-Resourcing
Location
London, United Kingdom
Employment Type
Permanent
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 ...

Senior AI Engineer

Hiring Organisation
167 Solutions Ltd
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £140,000 per annum
fine-tuning approaches, including SFT and the principles of RLHF/RLAIF. Excellent Python development skills. Experience with frameworks and tools such as LangChain, Hugging Face Transformers, Pandas, DVC or Weights & Biases. Knowledge of model evaluation techniques, including BLEU, ROUGE and custom evaluation frameworks. Exposure to speech technologies, including Whisper ...

Data Scientist

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

Data Scientist III

Hiring Organisation
LexisNexis Legal & Professional®
Location
Worcestershire, United Kingdom
Employment Type
Full Time
+ 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 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

Hiring Organisation
Barclay Simpson Corporate Governance Recruitment
Location
London, UK
Employment Type
Full-time
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 ...

Senior Data Scientist / ML Engineer (NLP & LLMs) - New York, NY

Hiring Organisation
Ingenious Fusion Tek
Location
New York, United States
Employment Type
Any
Salary
USD 110 Hourly
bring: - 6+ years in Machine Learning and Data Science with an emphasis on NLP and LLM fine-tuning. - Proficient in Python, PyTorch, Hugging Face, LangChain, LlamaIndex, and vector databases (Pinecone/Milvus). - Solid understanding of transformer architectures, prompt engineering, RAG pipelines, and model evaluation. - Experience working directly with ...

Data Scientist - Coach AI

Hiring Organisation
Spencer Rose
Location
Bristol, City of Bristol, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £480/day Inside IR35
deployment in production Core Technical Skills Strong experience in: Machine Learning & Deep Learning frameworks (TensorFlow, PyTorch, etc.) Generative AI & LLM ecosystems (OpenAI, Hugging Face, LangChain, etc.) Agentic AI/Multi-agent system design Expertise in: NLP, Computer Vision, and Conversational AI Model deployment (MLOps, APIs, cloud platforms) Data processing ...

Data Engineer - SC Cleared

Hiring Organisation
VIQU IT
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £1000/day
recall@k, faithfulness) Streaming platforms such as Kafka Agentic or multi-hop retrieval, GraphRAG, query rewriting vLLM or similar for on-prem model serving LangChain, LlamaIndex, RAGAS or Langfuse Government, defence or national security programmes Desirable Experience Working Environment Central London, SC-cleared environment, embedded in the programme team. Outside ...

AI/ML Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£100,000 - £130,000 per annum
following skills and experience: Strong Python software engineering expertise Commercial experience developing and deploying LLM or machine learning systems Hands-on experience with LangGraph, LangChain or similar agent orchestration frameworks Strong RAG experience, including embeddings, chunking strategies, vector databases and retrieval evaluation Understanding of graph-based retrieval approaches or graph ...

Data and Knowledge Graph Engineer

Hiring Organisation
Reply
Location
United Kingdom, UK
Employment Type
Full-time
master/metadata management. Hands-on experience with Generative AI and LLMs, including RAG, embeddings, vector search, GraphRAG, prompt engineering, and agent frameworks (e.g. LangChain, LlamaIndex). Strong stakeholder skills, able to quickly understand complex business domains and communicate technical concepts to non-technical audiences. Experience working in cloud environments ...

GenAI developer

Hiring Organisation
NTT DATA
Location
London, UK
Employment Type
Full-time
customer tenant (based on a re-usable method) Onboard customer documents into the solution, including making sure diagrams have been properly parsed. Configure Langchain for vector processing and graph extraction Create agents to generate new outputs from existing knowledge graph Tune prompts so that customers can find the information they ...

Senior AI Engineer

Hiring Organisation
83zero Limited
Location
Glasgow, Lanarkshire, Scotland, United Kingdom
Employment Type
Permanent
Salary
£70,000
agent solutions Build RAG pipelines covering embeddings, retrieval and generation Work with OpenAI, Anthropic, Mistral, Llama and similar LLMs Use LangChain, LangGraph, CrewAI or similar AI framework Work with vector databases including Pinecone, Qdrant, ChromaDB and PGVector Take GenAI POCs into production and scale them Build APIs, microservices … development experience Experience building APIs, microservices and backend applications Hands-on experience with LLMs, Generative AI and RAG Experience with AI frameworks such as LangChain, LangGraph or CrewAI Experience with vector databases and semantic search Experience with OpenAI, Anthropic, Mistral, Llama or similar Good software engineering, testing and Git practices ...

Junior AI Engineer

Hiring Organisation
openbots.ai
Location
Fort Lauderdale, Florida, United States
Employment Type
Any
Salary
USD Annual
Work with Python programming and AI/ML frameworks. Explore Generative AI, LLMs, and AI-powered chatbots. Gain hands-on experience with OpenAI APIs, LangChain, and RAG. Support data processing, model testing, and AI integration. Collaborate with senior developers on AI projects. Required Skills Strong fundamentals in Python programming. Basic ...

Senior Full Stack Python Engineer

Hiring Organisation
McGregor Boyall Associates Limited
Location
City of London, London, United Kingdom
Employment Type
Contract
business stakeholders to turn complex requirements into production-grade solutions. Key skills: Python (5+ years) Celery, Redis, Celery Beat, Flower MCP (Model Context Protocol) LangChain and/or LangGraph React & AG Grid SQL (Oracle desirable) REST APIs & distributed systems Stakeholder engagement & requirements gathering Desirable: Commodities, market data or trading experience ...

Senior Full Stack Python Engineer

Hiring Organisation
McGregor Boyall
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£700.00 - £750.00 per day
business stakeholders to turn complex requirements into production-grade solutions. Key skills: Python (5+ years) Celery, Redis, Celery Beat, Flower MCP (Model Context Protocol) LangChain and/or LangGraph React & AG Grid SQL (Oracle desirable) REST APIs & distributed systems Stakeholder engagement & requirements gathering Desirable: Commodities, market data or trading experience ...

AI Developer/Engineer

Hiring Organisation
Michael Page
Location
City, London, United Kingdom
Employment Type
Permanent
Salary
GBP 62,000 - 75,000 Annual
following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more holidays Matched pension Life assurance ...

AI Developer/Engineer

Hiring Organisation
Michael Page
Location
London, Fleet Street, United Kingdom
Employment Type
Permanent
Salary
£62000 - £75000/annum
following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more holidays Matched pension Life assurance ...

AI Developer/Engineer

Hiring Organisation
Michael Page Technology
Location
London, South East England, United Kingdom
Employment Type
Full-Time
Salary
£62,000 - £75,000 per annum
following on top: GenAI LLM APIs Experience designing, testing and deploying AI/ML solutions Chat Bots/Agents FastAPI Microsoft Agent Framework LangChain Vector database ML Engineering Job Offer Car allowance of 5k Private medical 25 days + BHS Option to buy 10 more holidays Matched pension Life assurance ...

Java Full Stack Engineer

Hiring Organisation
Sanderson Government and Defence
Location
United Kingdom
Employment Type
Permanent
Salary
£55,000
practices Additional Advantage Experience developing microservices using C# Experience building solutions that integrate with large language models (LLMs) using tools such as Vercel AI, LangChain or similar frameworks Experience working with government digital design systems and templating frameworks such as Nunjucks What's on Offer Opportunity to work ...

Java Full Stack Engineer

Location
London, United Kingdom
practices Additional Advantage Experience developing microservices using C# Experience building solutions that integrate with large language models (LLMs) using tools such as Vercel AI, LangChain or similar frameworks Experience working with government digital design systems and templating frameworks such as Nunjucks What's on Offer Opportunity to work ...

Sr. Software Engineer - AI/ML - AI Platform (EDI)

Hiring Organisation
Addepar
Location
Edinburgh, UK
Employment Type
Full-time
Preferred] Specific experience with LLMs and agentic systems[Preferred] Hands-on experience with technologies in the modern AI/LLM ecosystem, such as Databricks, Langchain, or MLFlow[Preferred] Advanced understanding of the probabilistic systems underpinning modern LLMs[Preferred] Experience building AI products in highly accuracy-sensitive domains such as finance ...