51 to 75 of 80 LangChain Jobs in England

Principle AI Engineer

Hiring Organisation
The Portfolio Group
Location
London, Castle Baynard, United Kingdom
Employment Type
Permanent
structured knowledge representation, where they add value. Required Skills & Experience Strong Python proficiency for production-grade AI development, with hands-on experience using LlamaIndex, LangChain, and LangGraph. Proven experience building Retrieval-Augmented Generation (RAG) systems; Graph-RAG experience is a plus. Practical experience with model adaptation techniques, including prompting, fine ...

Senior Software Engineer - AI, Agentic Development

Hiring Organisation
Be-IT Resourcing
Location
Greater Manchester, Lancashire, England, United Kingdom
Employment Type
Full-Time
Salary
Salary negotiable
Development, Agentic Development, AI-Enabled Engineering, Multi-Agent Systems, Generative AI, Java, TypeScript, React, MySQL, LLMs, Cursor, Windsurf, Agentic IDE’s, LLM API’s, Langchain, Code Automation, Developer Tooling, Software Engineering, Agentic Frameworks, Codeium, Lang Chain, Codegen, CI/CD, Vector Databases, Intelligent Pipelines, AI-Assisted Development, AutoGen, CrewAI, LangGraph ...

Senior .Net Engineer

Hiring Organisation
Stealth iT Consulting
Location
London Area, United Kingdom
TypeScript, or Java) Experience integrating with NoSQL solutions like MongoDB or Cosmos DB Interest in working with large language models (LLMs) using tools like LangChain Experience with templating systems or design frameworks such as Razor or the GOV.UK Design System ...

LLM Engineer | Pharma R&D | Central London | £70-80k

Hiring Organisation
Avanti
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £80,000 per annum
built proofs of concept. Technical requirements: • 1-2 years building LLM solutions deployed to production • Strong Python coding skills • Experience with LLM orchestration frameworks (LangChain, LangGraph, Crew AI, or similar) • Knowledge of cloud infrastructure • Understanding of how to build reliable systems that handle non-deterministic outputs • Experience working in agile ...

Full Stack Engineer

Hiring Organisation
83zero
Location
London Area, United Kingdom
e.g., Postgres) Understanding of web standards, accessibility and development best practice Bonus Skills Building microservices in C# or Java Integrating LLMs (e.g., LangChain, Vercel AI) Using the GOV.UK Design System and Nunjucks What You’ll Love You’ll join a community that values technical excellence, continuous learning and collaboration. Expect ...

Lead AI Engineer

Hiring Organisation
Response Informatics
Location
Warwick, Warwickshire, West Midlands, United Kingdom
Employment Type
Contract
full lifecycle (discovery prototyping hardening production monitoring continuous improvement) of GenAI and agentic systems. LLM orchestration & tooling: Design and implement workflows using LangChain, LangGraph, LlamaIndex, Semantic Kernel or similar. Optimize prompt strategies, memory, tools, and policies. RAG & vector search: Architect robust RAG pipelines with vector DBs (Pinecone, Chroma, Weaviate, pgvector … including production deployments. Strong system design and scalable architecture skills for AI-first applications and platforms. Hands-on expertise with LLM orchestration frameworks (e.g.,LangChain/LangGraph/LlamaIndex/Semantic Kernel). Proven experience with RAG and vector databases (e.g., Pinecone, Chroma, Weaviate, pgvector). Proficiency in Python (primary ...

Artificial Intelligence Engineer

Hiring Organisation
Synechron
Location
City of London, London, United Kingdom
About Us: Synechron is a leading global consulting and technology services provider, specialising in digital transformation within financial services. Our AI Practice focuses on delivering cutting-edge AI and machine learning solutions to our clients. ...

Founding AI Engineer London - £180K plus equity

Hiring Organisation
Halian Technology Limited
Location
South West London, London, United Kingdom
Employment Type
Permanent
decisions that shape the companys trajectory Tech youll work with Python, LLMs, vector databases, knowledge graphs React/TypeScript, Supabase, AWS Agent frameworks (e.g., LangChain, LangGraph) What they are looking for Ownership mindset: You think like a founder and execute without waiting for instructions High energy: Positive attitude and genuine ...

DevSecOps Engineer AI/LLM Project

Hiring Organisation
Agile Recruit
Location
Manchester, North West, United Kingdom
Employment Type
Contract
Contract Rate
£350 - £550/day
mature Deploy and support open-source LLMs (e.g. Hugging Face models such as Intern Neural 7B) and associated inference tooling Support LLM application frameworks (LangChain, vLLM) and Python-based services without owning model training (handled by Data Science teams) Stand up and manage cloud and infrastructure-as-code components using ...

Full-Stack Developer – Python

Hiring Organisation
Clear IT Recruitment Limited
Location
London, South East, England, United Kingdom
Employment Type
Full-Time
Salary
£50,000 - £60,000 per annum
projects. • Excellent analytical, problem-solving, and time management skills. Bonus skills • Experience deploying and managing applications with Azure and Docker. • Familiarity with frameworks like LangChain and Retrieval-Augmented Generation (RAG) models for AI-driven applications. • Experience with pandas for data manipulation. What’s on offer • Regular salary reviews recognising performance ...

Founding Engineer | AI Startup

Hiring Organisation
Ripple
Location
Islington, Greater London, Bunhill, United Kingdom
Employment Type
Permanent
Salary
£110000 - £150000/annum + Equity
complex systems together, handling the authentication, rate-limiting, and data-mapping required to connect AI to legacy CRMs and ERPs. Experience with frameworks like LangChain , LangGraph , or building custom state-machines to manage long-running, multi-step AI tasks. A Full-Stack mindset. You care as much about the reliability ...

Lead Software Engineer

Hiring Organisation
Dex
Location
London Area, United Kingdom
Frontend development, along with experience in Docker , PostgreSQL , or DSL/Compilers . Professional or enthusiastic personal experience with LLMs and their ecosystems (e.g., Langchain, RAG, or observability tooling). You are a "creative experimentalist" who can balance the need for speed with long-term engineering maintenance. A commitment ...

Agentic Developer - Building guardrails for autonomous AI

Hiring Organisation
governr
Location
London Area, United Kingdom
systems, reinforcement learning, AI safety, or agent architectures • Experience at AI labs (Anthropic, OpenAI, DeepMind) or leading AI research groups • Production experience with agents : LangChain, AutoGPT, CrewAI, or custom agent frameworks • Regulated industry background : Financial services, healthcare, or other domains with compliance requirements • Security/threat modelling expertise : Understanding ...

DevSecOps Engineer

Hiring Organisation
Formula Recruitment
Location
England, United Kingdom
ends Supporting and evolving GitLab CI/CD pipelines Deploying and managing infrastructure using Terraform Supporting open-source LLM deployments (Hugging Face models, vLLM, LangChain) Required skills: Proven experience in DevOps/Platform/Infrastructure Engineering Strong Linux experience (VMs, shell scripting) Hands-on Docker experience in production environments ...

AI Engineer

Hiring Organisation
Bloc Recruitment
Location
City of London, London, United Kingdom
Employment Type
Permanent, Work From Home
accuracy, speed up assessments, and delight users Work with industry experts to turn messy claim processes into AI-driven workflows Deploy solutions using LLMs, LangChain, and RAG at scale What we're looking for 2+ years in AI/ML engineering or research Proven track record taking projects from idea ...

Agentic AI Engineer - LangChain

Hiring Organisation
Sanderson Government and Defence
Location
Oxfordshire, South East, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £700 per day
Full Stack AI Engineer (Agentic AI & LangChain) - Contract Duration: 3 Months Rate: Up to £700 per day (Inside IR35) Location: Hybrid - Oxford We are seeking an experienced Full Stack AI Engineer to join a growing tech company on an initial 3-month contract. This role is ideal for someone with … strong, hands-on experience building agentic AI systems , particularly using LangChain , and who enjoys working in fast-paced, product-led environments. The Role You will play a key role in designing, building, and deploying AI-powered products, working closely with cross-functional teams to deliver intelligent, scalable solutions. Key responsibilities ...

AI Architect

Hiring Organisation
HCLTech
Location
London Area, United Kingdom
Hugging Face, and custom model endpoints. - Lead vector database adoption (MongoDB Atlas Vector Search, FAISS, Pinecone). - Design end-to-end AI pipelines using LangChain or LlamaIndex. - Ensure AI solutions meet enterprise-grade security, compliance, and performance. - Collaborate with backend, cloud, and data teams on scalable deployments. Mandatory Skills: - Expertise … Generative AI, embeddings, vector search, and model orchestration. - Strong programming skills in Python and Java. - Experience with LangChain, LlamaIndex, Hugging Face. - Knowledge of cloud AI platforms (Azure AI Services, AWS Bedrock, GCP Vertex AI). - Hands-on experience with Docker, Kubernetes, GitLab CI/CD. - Understanding of event-driven architectures ...

AI Engineer Apprentice

Hiring Organisation
QA
Location
Langthwaite Grange Ind Estate, South Kirkby, Pontefract, West Yorkshire, England, United Kingdom
Employment Type
Full-Time
Salary
£24,000 per annum
areas of applied AI, including: Agentic AI for process optimisation Research and prototype autonomous AI agents to enhance workflow efficiency Explore orchestration frameworks (e.g. LangChain, CrewAI, OpenAI Assistants) Design intelligent tools to support high-volume or time-critical operations Real-time accessibility Develop live captioning and transcription systems to support … frameworks (e.g. PyTorch, TensorFlow) Familiarity with LLM APIs and open-source models (e.g. GPT, Claude, Whisper) Understanding of agentic AI frameworks (e.g. LangChain, AutoGen) A passionate, motivated and driven person Desirable skills: Experience with ASR or captioning tools Knowledge of accessibility standards (e.g. WCAG) Exposure to cloud platforms (e.g. ...

Back End Developer

Hiring Organisation
Prism Digital
Location
London Area, United Kingdom
consumer product experience Experience in VC-backed or hyper-growth environments Node.js development alongside Python Vector databases such as Chroma and embedding pipelines LangChain, CrewAI, or similar AI orchestration frameworks Practical security and data privacy awareness Linear or similar planning tools Experience with image modelling AI systems AI-assisted development ...

AI Engineers

Hiring Organisation
Stackstudio Digital Ltd
Location
Redhill, Surrey, South East, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
From £500 to £550 per day
analytics and automation. Your Responsibilities Design, develop, and optimize RAG-based solutions integrating retrieval systems with large language models. Build and maintain applications using LangChain to orchestrate complex AI workflows. Implement and manage vector databases (e.g., FAISS, Pinecone, Weaviate, Milvus) for fast similarity search and retrieval. Develop embedding pipelines … Knowledge of popular vector DBs: Pinecone, Weaviate, FAISS, Vespa, Milvus. Generating and managing embeddings (using models like SentenceTransformers, OpenAI, Hugging Face). Familiarity with LangChain for building LLM-powered applications. Ability to create chains, prompts, and agents. Desirable Skills/Knowledge/Experience Experience with data ingestion, indexing, and querying. ...

AI Software Consultant

Hiring Organisation
Peaple Talent
Location
London Area, United Kingdom
Extensive experience as a software engineer (backend or full-stack preferred) Proven hands-on experience with AI tools (e.g. building GPT-based apps, using LangChain, or integrating APIs). Strong understanding of software architecture, systems design, and delivery trade-offs Experience working with digital agencies, consultancies, or delivery partners ...

AI Software Consultant

Hiring Organisation
Peaple Talent
Location
Greater Bristol Area, United Kingdom
Extensive experience as a software engineer (backend or full-stack preferred) Proven hands-on experience with AI tools (e.g. building GPT-based apps, using LangChain, or integrating APIs). Strong understanding of software architecture, systems design, and delivery trade-offs Experience working with digital agencies, consultancies, or delivery partners ...

AI Engineer- Insurance Experience- 6 month contract

Hiring Organisation
Opus Recruitment Solutions Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 per day
ASAP What you’ll work on Building Agentic AI workflows and automation Designing RAG pipelines for insurance data Developing LLM-powered tools using Python , LangChain , LlamaIndex , and vector databases Evaluating, fine-tuning, and integrating LLMs (OpenAI/Anthropic/Mistral) Collaborating with Data Science & Engineering teams to productionise models What … need Strong Data Science + AI Engineering background Hands-on experience with Agentic AI , RAG , LLMs , LangChain , Python Knowledge of vector search, embeddings, and scalable pipelines Experience working in enterprise or regulated environments Must have insurance domain experience Insurance domain experience Please note: This role does not provide sponsorship ...

Contract AI Software Engineer - SC Cleared

Hiring Organisation
Searchability NS&D
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
frameworks and cloud-native technologies. Key Responsibilities Design and develop AI-driven applications using LLMs and agent-based architectures Build and integrate workflows using LangChain and/or LangGraph Develop robust backend services using Python Contribute to frontend or full-stack development using JavaScript/TypeScript where required Deploy, scale … cleared environments Required Skills & Experience Strong commercial experience as a Software Engineer working with AI/LLM-based systems Hands-on experience with LangChain and/or LangGraph Excellent Python development skills Solid experience with JavaScript and TypeScript Proven experience deploying applications on AWS Strong understanding of software architecture, APIs ...

Data Scientist

Hiring Organisation
Searchability NS&D
Location
City of London, London, United Kingdom
develop data-driven applications and services that support analytics, ML, and LLM use cases Build and orchestrate data workflows and LLM pipelines using LangChain and/or LangGraph Develop scalable data processing and backend services using Python Work with structured and unstructured data to enable analytics, experimentation, and AI model … Experience Strong commercial experience in data engineering and/or data science roles Hands-on experience building data pipelines and AI-enabled workflows using LangChain and/or LangGraph Excellent Python development skills for data processing and backend services Solid experience with JavaScript and TypeScript Proven experience deploying data platforms ...