10 of 10 Permanent LangChain Jobs in Hertfordshire

AI Engineer

Hiring Organisation
Akixi
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
models, or LLM-based analytics. Strong proficiency in Python (preferred) and/or JavaScript/TypeScript. Hands-on experience with AI frameworks (TensorFlow, PyTorch, LangChain) and LLM APIs (Azure OpenAI, OpenAI API, Anthropic, AWS Bedrock). Experience with Microsoft Bot Framework, Dialogflow, or similar conversational-AI platforms. Deep understanding ...

Senior Product Engineer - AI, Data, Cloud (Innovation Labs)

Hiring Organisation
Serve Legal
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
/TypeScript, Java, Python) • Web & Product Development: Frameworks (React, Node.js, Django/Flask) • AI, GenAI and LLMs: OpenAI, Gemini, Grok, Llama • Agentic AI: Frameworks (langchain, langgraph, Google ADK) • AI enabled code tooling: Cursor, Windsurf, GitHub copilot • AI powered platform development: Lovable, Replit, Bolt • APIs & Microservices: RESTful APIs, GraphQL, microservice architectures ...

Principal AI Engineer - TWE 43569

Hiring Organisation
twentyAI
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
Python, machine learning, and data science. Experience building, deploying, and scaling AI models in Azure and/or AWS environments. Skilled in using LangChain, LangGraph, vector databases, and prompt engineering. Understanding of LLM optimisation, including context extension and RAG-based frameworks. Proven ability to collaborate cross-functionally and communicate complex ...

Lead AI Engineer

Hiring Organisation
OutSystems
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Engineering roles, preferably building with LLMs and/or Agentic Systems, from development to production. Hands-on experience with LLM frameworks (e.g. langchain, langgraph, llamaindex, langsmith), AI platforms (e.g. Databricks, mlflow) and containerization solutions (e.g. Docker) is valued. Strong software engineering fundamentals and proficiency in Python are a must. ...

Lead Software Engineer

Hiring Organisation
Hyre AI
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
under ambiguity Node.js, React, and TypeScript Python for AI workflows and automation Microservices and distributed system design Experience with AI/LLM frameworks (e.g. LangChain, OpenAI API, Vertex, LiteLLM) GCP experience and DevOps best practices (monitoring, observability, CI/CD) PostgreSQL and relational data modelling Event-driven systems (Pub/ ...

Data Scientist

Hiring Organisation
trg.recruitment
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
freedom to shape how GenAI and ML are used across the platform. Tech stack: Python PyTorch or TensorFlow scikit-learn Spark Kafka Databricks LangChain and RAG-based GenAI systems Cloud-native Azure environment Important Details: Fully remote across the UK Up to £80,000 - £100,000 (DOE) 2-3 stage ...

AI Agentic Engineer

Hiring Organisation
OmniforceAI
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
looking for: Demonstrated experience building AI agent systems that have reached production Strong Python skills and experience with at least one orchestration framework (LangChain, LangGraph, CrewAI, or similar) Experience integrating LLMs (OpenAI, Anthropic, or open-source models) into applications Practical knowledge of vector databases, RAG systems, and API/ ...

Artificial Intelligence Engineer

Hiring Organisation
eTeam
Location
Stevenage, Hertfordshire, UK
Employment Type
Full-time
building and deploying agents using platforms such as AgentCore, Gemini Enterprise, and Azure Copilot. Strong understanding of agent SDKs and frameworks such as ADK, LangChain, and Strands. Strong development workflow discipline Proficient in modern development workflows (branching, code review, CI/CD, testing, observability). Clear understanding of why "vibe ...

Full Stack Engineer

Hiring Organisation
Thyme
Location
Watford, Hertfordshire, UK
Employment Type
Full-time
Qualifications Strong proficiency in Java and React/TypeScript Hands-on experience building and deploying LLM-based systems (e.g., OpenAI, Hugging Face Transformers, LangChain, etc.). Deep understanding of AI application architecture, including RAG systems, vector databases, prompt engineering, and fine-tuning. Experience with ML model serving, SDK development ...

Artificial Intelligence Engineer

Hiring Organisation
Cubiq Recruitment
Location
Hemel Hempstead, Hertfordshire, UK
Employment Type
Full-time
looking for Proven ability to build and ship agentic or multi-agent frameworks into production. Expert Python, FastAPI, and asyncio developer. Practical experience with LangChain, Autogen, or custom orchestration layers. Startup mindset: ownership, speed, and pragmatism over perfection. Bonus points Experience working with voice or streaming systems (STT/ ...