LangChain Fundamentals Training in London

LangChain Fundamentals Training in London, United Kingdom

This course introduces participants to LangChain, a leading framework for developing applications powered by Large Language Models (LLMs).

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LangChain Fundamentals Training is a professional training program delivered by ProgNXT in London, United Kingdom. ProgNXT, a globally recognized corporate training provider in 55+ countries, offers this LangChain Fundamentals Training course with hands-on, instructor-led sessions. This course introduces participants to LangChain, a leading framework for developing applications powered by Large Language Models (LLMs). It covers...

Expert Panel

Designed by the ProgNXT AI & Data Science Expert Panel, specializing in Generative AI, Machine Learning, and ChatGPT applications

ProgNXT AI & Data Science Expert Panel

Course Code: PRQ31
14 Hrs
Last Updated: April 2026

Course Rating5/5

This course introduces participants to LangChain, a leading framework for developing applications powered by Large Language Models (LLMs). It covers the core building blocks, integrations, and use cases of LangChain, enabling learners to build conversational AI, intelligent agents, and workflow automation solutions. The program blends concepts, hands-on labs, and project-based learning.

Welcome to the official LangChain Fundamentals Training certification program in London, United Kingdom. This comprehensive training is designed to elevate your professional skills and provide you with practical, industry-relevant knowledge locally. As a globally recognized corporate training provider operating in 55+ countries, ProgNXT ensures that our curriculum meets the highest standards of excellence.

Whether you are looking to upskill your team or advance your personal career, our expert-led sessions will guide you through the core concepts of this domain. Upon successful completion of the 14 Hrs program, participants will receive a globally accepted certification, demonstrating their proficiency and readiness to tackle complex challenges in the field.

Basic programming knowledge (Python preferred).
Familiarity with APIs and JSON.
Understanding of LLMs and generative AI concepts is helpful but not mandatory.

By the end of this course, participants will be able to:

Understand the architecture and capabilities of LangChain.
Build simple and advanced LLM-powered applications using LangChain.
Work with LangChain’s core components: prompts, chains, agents, and memory.
Integrate external tools, APIs, and data sources with LangChain.
Deploy LangChain applications for real-world use cases.

Building generative AI workflows with LangChain.
Prompt engineering within LangChain.
Using memory and agents for dynamic conversations.
Connecting LLMs with external data (APIs, databases, vector stores).
Designing scalable AI applications.

Quiz on LangChain concepts (models, prompts, chains, memory, agents).
Short coding exercises (simple chains, memory integration).

Participants who attend all sessions and successfully complete the course assessments will receive a ProgNXT Certificate of Completion.

Foundations of LangChain

Introduction to LangChain

What is LangChain and why use it?
LangChain ecosystem & components
Installation and setup

Core Concepts

Models (LLMs, ChatModels, Embeddings)
Prompts and PromptTemplates
Chains: Sequential, MapReduce, and Custom chains

Memory in LangChain

ConversationBufferMemory, ConversationKGMemory, VectorStore-backed memory

Tools, Agents, and Applications

Working with Agents

Introduction to agents and tools
Toolkits (Python REPL, API calls, search)

Data Augmented Generation (RAG)

Introduction to vector databases (FAISS, Pinecone, Chroma)
Document loaders and text splitters
RetrievalQA and ConversationalRetrievalChain

Deployment and Real-World Use Cases

LangChain in production (streaming, async, scalability)
Use cases: chatbots, research assistants, workflow automation

Hands-on Exercises

Summary and Conclusion

Slide decks and lecture notes.
Sample Python notebooks for all hands-on exercises.
Reading & references

Participation & Exercises
Quizzes

ProgNXT Certificate of Completion will be awarded to participants who successfully complete the course and assessments.

LangChain Fundamentals Training Events in london

Online Events

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More Upcoming Session Dates

November 2026

🌐 Online Instructor-Led

9th Nov 2026→10th Nov 2026

📍 London, United Kingdom

10th Nov 2026→11th Nov 2026

🌐 Online Instructor-Led

23rd Nov 2026→24th Nov 2026

📍 London, United Kingdom

27th Nov 2026→28th Nov 2026

December 2026

🌐 Online Instructor-Led

6th Dec 2026→7th Dec 2026

📍 London, United Kingdom

7th Dec 2026→8th Dec 2026

📍 London, United Kingdom

21st Dec 2026→22nd Dec 2026

🌐 Online Instructor-Led

28th Dec 2026→29th Dec 2026

Events for other courses in London, United Kingdom

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LangChain Fundamentals Training in London