26 to 50 of 57 LangChain Jobs in England

AI Agentic Engineer X 3

Hiring Organisation
Adria Solutions
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent, Work From Home
Salary
£85,000
systems and real-world applications. Key skills and experience include: Strong Python development experience Hands-on experience with LLMs and agent frameworks (e.g. LangChain, LlamaIndex, AutoGen or similar) Understanding of prompt engineering, RAG pipelines, and tool-using AI systems Experience working with APIs, data pipelines, and cloud platforms (AWS, Azure ...

Principal AI Software Engineer

Hiring Organisation
Formula
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 ...

GenAI Managing Consultant

Hiring Organisation
83zero
Location
London Area, United Kingdom
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 Developer

Hiring Organisation
Finalto
Location
London Area, United Kingdom
software engineering or AI application development, with shipped production projects Proficiency in Python and SQL Experience building LLM-based applications (e.g. OpenAI, Azure OpenAI, LangChain, etc.) Experience designing and building end-to-end projects, ideally with personal AI projects that demonstrate passion for the space Strong problem-solving ability with ...

AI Engineer

Hiring Organisation
MarkIT Placements
Location
Didcot, Oxfordshire, South East, United Kingdom
Employment Type
Permanent, Work From Home
clearance Commercial experience building multi-agent or agentic AI systems in production Strong Python skills and hands-on experience with LLM frameworks (LangGraph, LangChain, Haystack, or similar) Experience deploying AI/ML systems into production environments Familiarity with Docker, Git, and cloud platforms (AWS preferred) Understanding of secure deployment patterns ...

Global IT GenAI Software Engineer Director - AI & Innovation

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
fine‐tuning Foundation Models including multimodal inputs and outputs. Strong experience working with key LLM models APIs (e.g. OpenAI, Anthropic) and LLM Frameworks (e.g. LangChain, LlamaIndex). Proficiency in generating and working with embeddings across variety of data formats. Understanding of embedding spaces and their applications in semantic search ...

Founding Engineer

Hiring Organisation
Higher - AI recruitment
Location
London Area, United Kingdom
Familiarity with LLM evaluation strategies and how to measure whether your system is actually working Hands-on with AI orchestration frameworks: LangGraph, LangChain, DSPy or equivalent Knowledge of model optimisation for production deployment (quantisation, distillation, fine-tuning approaches) is a strong plus for at least one of these roles Attributes ...

Java Full Stack Engineer

Hiring Organisation
Consulting Point
Location
England, United Kingdom
Awareness of accessibility, coding standards, and development best practices Bonus points for experience with: Building microservices in C# Integrating large language model tools (e.g., LangChain, Vercel AI) GOV.UK Design System or templating with Nunjucks If you're excited about solving real-world challenges and want to grow your skills ...

AI Engineer - Contract (Investment Banking)

Hiring Organisation
Caspian One
Location
England, United Kingdom
Investment Banking, Capital Markets, Hedge Funds or Buy-Side Strong hands-on Python (and relevant ML/GenAI frameworks) Experience with other relevant technologies (LangChain, LangGraph, Databricks etc) Cloud technology experience (AWS, GCP, Azure) UK-based or UK right-to-work contractors What to expect: Contract opportunities only (inside & outside ...

AI Solutions Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£65,000 - £90,000 per annum
collaboration with engineering teams Practical knowledge of prompt engineering, RAG pipelines, agent workflows, and model evaluation Familiarity with modern GenAI tooling such as LangChain, LangGraph, or similar frameworks Motivation to work in a startup environment, with comfort around ambiguity, pace, and ownership What They Offer Salary between ...

Machine Learning Engineer

Hiring Organisation
Mitie
Location
City Of Bristol, England, United Kingdom
cloud platforms. Exposure to MLOps practices, lifecycle management and large-scale or distributed compute environments. Familiarity with agentic AI concepts and frameworks such as LangChain, AutoGen or CrewAI, with an interest in developing deeper expertise. ...

Head of Engineering & Architecture

Hiring Organisation
Jobleads-UK
Location
Leeds, England, United Kingdom
financial services, property technology, or regulated industries Experience leading distributed teams across multiple locations and time zones Knowledge of AI/ML frameworks: LangChain, Anthropic Claude, AWS Bedrock, GitHub Copilot Experience with modern data platforms: Databricks, Snowflake, dbt Background in DevSecOps or platform engineering £120,000 - £130,000 a year ...

AI Lead/Architect

Hiring Organisation
e2e Infosys
Location
London, United Kingdom
Employment Type
Permanent
Salary
GBP Annual
Lead/Architect Location-London Hybrid AI Lead/Architect with experience in building and deploying production-grade multi-agent AI systems using LangChain, LangGraph, CrewAI, RAG, and LLM APIs (OpenAI, Anthropic, Gemini). Skilled in Python/TypeScript, agent orchestration, enterprise integrations, cloud platforms (AWS/Azure/ ...

Python Developer

Hiring Organisation
Station
Location
London Area, United Kingdom
Designing and building scalable backend systems using Python Developing and integrating LLM-powered features into core products Working with modern AI frameworks (e.g. OpenAI, LangChain, Hugging Face) Collaborating with data scientists to productionise models Improving system performance, reliability, and scalability Contributing to architectural decisions in a growing engineering team What ...

AI Solutions Engineer - GenAI Platform Startup

Hiring Organisation
Harnham
Location
London Area, United Kingdom
Support demos and tailored client use cases Key Details • Salary: £65k–£90k • Working: Hybrid (3–4 days onsite, Holborn) • Stack: Python, LLMs, RAG, agents, LangChain/LangGraph • Visa: Cannot sponsor Interested? Please apply below. ...

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
City of London, London, United Kingdom
Employment Type
Permanent
Salary
£46000 - £55000/annum pension, health care, perks
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

C#/.NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£46,000 - £55,000 per annum
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
Manchester, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum pension, health care, perks
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

.NET Full Stack Engineer

Hiring Organisation
83zero Limited
Location
Manchester, North West, United Kingdom
Employment Type
Permanent
Salary
£55,000
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

NET Full Stack Engineer

Hiring Organisation
83zero Ltd
Location
Newcastle upon Tyne, Tyne and Wear, Tyne & Wear, United Kingdom
Employment Type
Permanent
Salary
£45000 - £55000/annum
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

.NET Full Stack Engineer

Hiring Organisation
83zero Limited
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Salary
£55,000
Core, relational DB experience NoSQL (MongoDB, Cosmos DB) Microservices in Java/JS/TS Experience with LLM/AI integration frameworks (e.g., LangChain) Familiarity with modern design systems Additional Information A flexible benefits package is available to tailor to personal needs Applicants must have valid UK work authorisation This ...

AI Architect

Hiring Organisation
HCLTech
Location
City of London, London, United Kingdom
Pipeline Development: Building retrieval systems using vector databases Core RAG Components & Optimization : Doc Chunking , Embeddings , Parallel Processing , Agent building and A2A Orchestration & Engineering : Orchestration, LangChain , LangGraph , LangFlow , LangFuse , MCP GraphRAG : Knowledge graphs ontology and without ontology Model QA &Testing ...

AI Engineer

Hiring Organisation
DXC
Location
Newcastle Upon Tyne, Tyne and Wear, North East, United Kingdom
Employment Type
Permanent
Experience Proven experience withTransformer modelsand LLMs (GPT, LLaMA, Mistral, Claude). Strong background infine-tuningandprompt engineering. Hands-on experience withRAG pipelines. Familiarity withAgent Frameworks(LangChain, LlamaIndex, CrewAI, AutoGen). Solid understanding ofreinforcement learningconcepts and tools (Q-learning, policy gradients, RLlib). Azure AI Engineer Associatecertification (or willingness to obtain). ...

Head of Software Engineering

Hiring Organisation
Jobleads-UK
Location
Greater London, England, United Kingdom
Relentless drive: You execute fast, adapt faster Startup scar tissue: You’ve shipped product with no safety net Fluency with AI/LLMs: LangChain, vector stores, prompt engineering Product obsession: You care more about outcomes than outputs Ideal Background There’s no perfect pedigree. We hire for mindset, not credentials. ...

Software Engineer (Advert Campaign)

Hiring Organisation
SRG
Location
County Durham, England, United Kingdom
Employment Type
Full-Time
Salary
£38,000 - £46,000 per annum
allows Work with tools and approaches such as: MLflow and model lifecycle tools Gradient boosted trees or custom model development AI application frameworks (e.g. LangChain, RAG-style architectures) Experience across both AI application development and model development is highly desirable, though not essential. Collaboration & Delivery Work within a small, highly ...