LangChain Jobs in the UK

426 to 450 of 616 LangChain Jobs in the UK

Senior AI Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Switch Tech Talent
Role: Senior AI Engineer (x2) 🌍 Location: Shoreditch, London (hybrid - 3 days per week) 💰 Salary: £80,000 - £110,000, plus benefits (below) 🛠 Key Skills: Python, AI/LLMs, LangChain/LangGraph, AI Agents, AWS 🚀 Industry: B2B SaaS Start-up A fast-growing B2B SaaS start-up is looking for a talented Senior AI Engineer to set up and co-lead the … re looking for: AI/ML or LLM-based development in a fast-paced start-up environment. Built and deployed production-grade agentic systems Hands-on experience with PydanticAI, LangChain, LangGraph, or similar agent orchestration tools. Strong understanding of LLM evaluation, prompt design, and techniques for tuning models to domain-specific tasks. Deep understanding of large language models (LLMs), including More ❯
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Senior AI Engineer

South East London, England, United Kingdom
Hybrid / WFH Options
Switch Tech Talent
Role: Senior AI Engineer (x2) Location: Shoreditch, London (hybrid - 3 days per week) Salary: £80,000 - £110,000, plus benefits (below) Key Skills: Python, AI/LLMs, LangChain/LangGraph, AI Agents, AWS Industry: B2B SaaS Start-up A fast-growing B2B SaaS start-up is looking for a talented Senior AI Engineer to set up and co-lead the … re looking for: AI/ML or LLM-based development in a fast-paced start-up environment. Built and deployed production-grade agentic systems Hands-on experience with PydanticAI, LangChain, LangGraph, or similar agent orchestration tools. Strong understanding of LLM evaluation, prompt design, and techniques for tuning models to domain-specific tasks. Deep understanding of large language models (LLMs), including More ❯
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Senior Full-Stack Engineer - AI Startup - TypeScript/LLM - £120k - Fully Remote

London, England, United Kingdom
Hybrid / WFH Options
Opus Recruitment Solutions
both SaaS and AI/LLM components Integrate and optimize LLMs (e.g., OpenAI , Gemini ) through prompt engineering and API orchestration Implement multi-step AI workflows using frameworks such as LangChain Design and optimize relational databases, particularly MySQL Develop type-safe RPC endpoints using tRPC for seamless frontend-backend communication Rapidly adapt to a modern development stack and contribute to high … and Prisma Strong understanding of MySQL , including schema design and performance optimization Practical experience integrating with LLMs, including prompt design and API management Familiarity with orchestration tools such as LangChain or similar Ability to learn quickly and deliver high-quality features in a dynamic, fast-paced environment Preferred Qualifications Experience deploying and fine-tuning custom AI models Background in developing More ❯
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Senior Machine Learning Engineer

London Area, United Kingdom
Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
in building and deploying LLM solutions. This place has a high technical bar, so solid Python skills are a must. Experience with agentic frameworks and familiarity with agentic systems – LangChain, LangGraph, AutoGen, etc. Commercial experience deploying LLM applications to production (this isn’t a research role). Experience taking the lead on projects from a "tech lead" perspective (only relevant More ❯
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Senior Machine Learning Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
SR2 | Socially Responsible Recruitment | Certified B Corporation™
in building and deploying LLM solutions. This place has a high technical bar, so solid Python skills are a must. Experience with agentic frameworks and familiarity with agentic systems – LangChain, LangGraph, AutoGen, etc. Commercial experience deploying LLM applications to production (this isn’t a research role). Experience taking the lead on projects from a "tech lead" perspective (only relevant More ❯
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GenAI Full Stack Engineer

United Kingdom
Graduate Recruitment Bureau
need to hold SC clearance or be eligible for SC clearance Practical experience with LLMs, such as OpenAI Proficiency working with cloud platforms Familiarity with GenAI frameworks such as LangChain or Vercel AI Company: Graduate Recruitment Bureau (Hiring for client) Location: UK flexible, UK Salary Notes: £45-55K Courses Considered: Data Science,IT,Maths and Stats,Physics, Jobs related More ❯
Employment Type: Permanent
Salary: GBP Annual
Posted:

AI Engineer (Python, LLMs)

City of London, London, United Kingdom
numi
using React and Tailwind CSS. Skilled in managing large databases like PostgreSQL. Familiarity with container orchestration tools such as Docker and Kubernetes. Hands-on experience with LLM libraries like LangChain, LangGraph, LlamaIndex, or Ollama. But most importantly, you're driven by a passion for AI innovation and thrive on solving complex challenges. 🤖 🎉 Why This Role? This is your opportunity to More ❯
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AI Engineer (Python, LLMs)

London Area, United Kingdom
numi
using React and Tailwind CSS. Skilled in managing large databases like PostgreSQL. Familiarity with container orchestration tools such as Docker and Kubernetes. Hands-on experience with LLM libraries like LangChain, LangGraph, LlamaIndex, or Ollama. But most importantly, you're driven by a passion for AI innovation and thrive on solving complex challenges. 🤖 🎉 Why This Role? This is your opportunity to More ❯
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Agentic AI Engineer

London, United Kingdom
Lorien
with modelling intelligent agents, including symbolic, neural, or hybrid approaches. Experience deploying to and managing workloads on MCP or distributed processing environments. Familiarity with libraries such as TensorFlow, PyTorch, LangChain, or Ray is a plus. Ability to write clean, efficient, and well-documented code in a collaborative environment. Desirable: Experience with multi-agent coordination or LLM-based autonomous agents. Background More ❯
Employment Type: Permanent
Salary: GBP Annual
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Senior Full Stack Engineer

City of London, London, United Kingdom
Hybrid / WFH Options
Burns Sheehan
with Node.js, Express, RESTful APIs or GraphQL Experience building production-grade applications and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products More ❯
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Senior Full Stack Engineer

London Area, United Kingdom
Hybrid / WFH Options
Burns Sheehan
with Node.js, Express, RESTful APIs or GraphQL Experience building production-grade applications and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products More ❯
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Senior Full Stack Engineer

South East London, England, United Kingdom
Hybrid / WFH Options
Burns Sheehan
with Node.js, Express, RESTful APIs or GraphQL Experience building production-grade applications and designing clean data models (SQL/NoSQL) Bonus Points For: Familiarity with AI/LLM tools (LangChain, Vercel AI SDK, OpenAI APIs) Experience building real-time apps (e.g., WebSockets) Understanding of authentication/authorization flows in web apps Knowledge of financial services, fintech, or enterprise-grade products More ❯
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Founding ML Engineer - Climate Tech

Slough, England, United Kingdom
JR United Kingdom
Aligned: Committed to creating technology that addresses important problems responsibly and sustainably. Tools We Use Python (and typical ML ecosystem) Open-source and API-based LLM retrieval frameworks (e.g., LangChain, LlamaIndex) Cloud-native infra (AWS) We prioritize your ability to learn and execute over ticking every tech box. Why Join Shape the Future: Influence product roadmap and team values from More ❯
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Founding ML Engineer - Climate Tech

London, England, United Kingdom
JR United Kingdom
What We’re Working With We’re early-stage and flexible, but current tools include: Python (and typical ML ecosystem) Open-source and API-based LLMs Retrieval frameworks (e.g., LangChain, LlamaIndex) Cloud-native infra (AWS) We care more about your ability to learn and execute than ticking every tech box. Why Join Shape the Future: Join at the ground floor More ❯
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AI Engineer

London, England, United Kingdom
Peregrine
memory handling, tool usage, and RAG pipelines Collaborate on system design, prompt tuning, and architecture decisions Optimize performance for speed, stability, and user satisfaction Skills & Experience: Proven experience with LangChain or LangGraph Strong Python skills and experience working with LLMs Familiarity with RAG pipelines Experience building chatbots or agent-based systems Knowledge of real-time APIs and data integration (e.g. More ❯
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Senior AI Engineer

City of London, London, United Kingdom
Nume
Strong coding skills in Python and experience with Typescript Experience setting up and developing RAG flows Familiarity with vector databases Advanced prompt engineering capabilities Experience with LLM orchestration frameworks (LangChain, LangGraph, LlamaIndex, etc.) Track record of shipping reliable AI systems to production Valuable Additional Skills: Experience with goal-oriented and autonomous agent architectures Financial domain knowledge or fintech experience Experience More ❯
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Senior AI Engineer

London Area, United Kingdom
Nume
Strong coding skills in Python and experience with Typescript Experience setting up and developing RAG flows Familiarity with vector databases Advanced prompt engineering capabilities Experience with LLM orchestration frameworks (LangChain, LangGraph, LlamaIndex, etc.) Track record of shipping reliable AI systems to production Valuable Additional Skills: Experience with goal-oriented and autonomous agent architectures Financial domain knowledge or fintech experience Experience More ❯
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Software Engineering Coach (GenAI + LLMs)

London, England, United Kingdom
Hybrid / WFH Options
Skiller Whale
using IDE integrations with AI agents Coding with LLMs, e.g. setting up Cursor/Copilot configs, and writing prompts for coding/debugging Integrating/Pipelining with LLMs, e.g. langchain You’ll need to have significant expertise and experience in a real-world setting, be able to give nuanced answers to difficult questions, and explain advanced concepts clearly and succinctly. More ❯
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Data Science Data Science Data Scientist (Remote)

London, United Kingdom
Hybrid / WFH Options
Title: Data Scientist Location: London, UK (Hybrid) Job Type: Permanent Job Description: Experience: Minimum of 8+ years. Skilled Required: LLM, RAG, Finetuning, NLP, Text Summarisation, ML, Feature Engineering Llamaindex, LangChain, LangSmith Vector DB, Vector Search, FAISS Embeddings Experience with OCR, layout models PDF and text file parsing, along with various other file types Experience with REST API More ❯
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Machine Learning Engineer

London Area, United Kingdom
Oliver Bernard
Learning Engineer 18 month project, 6 month rolling contracts. Rate negotiable but upwards of 600 p/d. Looking for people with the following skillset: Python, Pytorch, Tensorflow, Langgraph, Langchain, CrewAI, LlamaIndex etc ML Ops VertexAI Prompt Engineering 1st of July start date. Apply through this advert or email jack.herbert@oliverbernard.com for more info. More ❯
Posted:
LangChain
25th Percentile
£48,750
Median
£52,500
75th Percentile
£67,188
90th Percentile
£86,875