LangChain courses can help you learn how to build applications that connect large language models with external data, tools, and workflows. You can build skills in prompt chaining, retrieval methods, agent design, and structuring multi-step tasks. Many courses introduce tools such as Python libraries, vector databases, and APIs that support creating, testing, and refining LangChain-powered AI applications.

University at Buffalo
Skills you'll gain: Blockchain, Cryptography, Transaction Processing, Cryptographic Protocols, Network Protocols, Distributed Computing, Virtual Environment, Data Integrity, Virtual Machines, Algorithms, Verification And Validation
★ 4.6 (7.8K) · Beginner · Course · 1 - 4 Weeks

LearnQuest
Skills you'll gain: Blockchain, Cryptography, Data Storage, Systems Architecture, Network Architecture, FinTech, Distributed Computing, Cryptographic Protocols, Programming Principles, Emerging Technologies, Computing Platforms, Scalability, Data Integrity
★ 4.7 (15) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: LangGraph, Generative AI Agents, AI Orchestration, LangChain, Agentic systems, AI Workflows, OpenAI API, Agentic Workflows, LLM Application, Artificial Intelligence, AI Integrations, User Interface (UI), Python Programming, Context Management, Development Environment
★ 4.5 (81) · Intermediate · Course · 1 - 3 Months

Skills you'll gain: Service Improvement, Performance Improvement, Service Management, Strategic Sourcing, Information Technology Infrastructure Library, IT Service Management, Governance, Systems Integration, Supplier Performance Management, Continuous Improvement Process, Supplier Relationship Management, Supplier Management, Performance Management, Coordination, Procurement, Organizational Change, Performance Analysis, Change Management, Accountability Frameworks, Data Governance
Intermediate · Course · 1 - 3 Months
University of Illinois Urbana-Champaign
Skills you'll gain: Blockchain, Cryptography, Cryptographic Protocols, FinTech, Organizational Structure, Governance, Emerging Technologies, Web Applications, Transaction Processing, Law, Regulation, and Compliance, Distributed Computing, Digital Assets, Payment Processing, Regulatory Compliance, Ledgers (Accounting), Data Security, Financial Regulation, Case Studies
★ 4.7 (10) · Beginner · Course · 1 - 4 Weeks

Simplilearn
Skills you'll gain: Fine-tuning, LLM Application, LangChain, Model Optimization, Responsible AI, Large Language Modeling, Model Deployment, OpenAI, Data Preprocessing, Model Training, Model Evaluation, Reinforcement Learning
★ 3.5 (6) · Beginner · Course · 1 - 4 Weeks

Skills you'll gain: Prompt Engineering, LangChain, Prompt Patterns, LLM Application, Generative AI, Generative AI Agents, Tool Calling, Large Language Modeling, AI Integrations, Model Evaluation, Flask (Web Framework), Agentic systems, Software Development
★ 4.6 (527) · Intermediate · Course · 1 - 4 Weeks

University of Cape Town
Skills you'll gain: Blockchain, Cryptography, FinTech, Cryptographic Protocols, Emerging Technologies, Ledgers (Accounting), Bookkeeping, Machine Learning, Financial Data, Machine Learning Algorithms, Applied Machine Learning, Artificial Intelligence, Financial Systems, Supervised Learning, Data Structures, Information Privacy, Personally Identifiable Information, Entrepreneurship, Technology Strategies, Unsupervised Learning
★ 4.7 (45) · Beginner · Course · 1 - 4 Weeks

Infosec
Skills you'll gain: Blockchain, Network Security, Distributed Denial-Of-Service (DDoS) Attacks, Cryptography, Cryptographic Protocols, Secure Coding, Encryption, Vulnerability Assessments, Scalability, Distributed Computing, Exploitation techniques, Transaction Processing, Algorithms
★ 4.6 (86) · Beginner · Course · 1 - 3 Months

DeepLearning.AI
Skills you'll gain: Retrieval-Augmented Generation, LangChain, JavaScript Frameworks, LLM Application, Large Language Modeling, AI Orchestration, Python Programming
★ 4.7 (26) · Intermediate · Project · Less Than 2 Hours
Skills you'll gain: Containerization, LangChain, Microservices, Application Deployment, Cloud Deployment, Docker (Software), Cloud-Native Computing, Model Deployment, Kubernetes, LLM Application, MLOps (Machine Learning Operations), AI Orchestration, AI Integrations, Distributed Computing, Site Reliability Engineering, Prometheus (Software), API Design, Scalability, Continuous Monitoring, Performance Stress Testing
Intermediate · Course · 1 - 4 Weeks
University of California, Irvine
Skills you'll gain: Blockchain, Data Sharing, Transaction Processing, Fraud detection, Payment Systems, Distributed Computing, Network Model, Data Integrity, FinTech, Emerging Technologies, Data Validation, Ideation
★ 4.2 (41) · Beginner · Course · 1 - 4 Weeks