Building AI Applications with Large Language Models and LangChain Intermediate
The "Building AI Applications with Large Language Models and LangChain" course equips AI developers, data scientists, and software engineers with skills to overcome fragmented AI workflows by mastering LangChain for production-grade agent development. It covers Retrieval-Augmented Generation (RAG), agent design, and LangSmith debugging, addressing the demand where 34.3% of agentic AI roles specifically require LangChain expertise.
This course prepares learners for the LangChain Certified Agent Engineer (LCAE) certification, the industry’s first credential covering the full Agent Development Lifecycle. Koenig’s 30-day lab access ensures hands-on mastery, leading to roles in enterprise SaaS, fintech, and AI labs with median top salaries of $210,000.
Training Formats & Pricing
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Course Overview
The course Building AI Applications with Large Language Models and LangChain by Open Source is designed for developers, AI engineers, and data scientists seeking to master the development of intelligent, context-aware applications using cutting-edge language models. While no formal certification exam is directly tied to the course, it aligns closely with the skills assessed in the LangChain Certified Agent Engineer (LCAE) exam, a credential gaining rapid recognition in the AI community. This training serves roles such as LLM Application Developer, AI Agent Engineer, and Generative AI Solutions Architect. With over 25 million downloads of the LangChain library and adoption by leading tech firms, demand for professionals skilled in agent-based AI systems has surged, making this course essential for staying competitive in the evolving AI landscape.
Participants engage with core technologies including LangChain, LangGraph, LangSmith, Deep Agents, Hugging Face, and OpenAI, gaining hands-on experience in building production-grade AI workflows. The course features a robust lab environment where students use Python, VS Code, and cloud platforms like Microsoft Foundry to construct real-world applications. A key project involves building an Agentic RAG (Retrieval-Augmented Generation) system that intelligently decides when to retrieve external knowledge, enabling accurate, context-aware responses. Through LangSmith, learners trace, evaluate, and debug their agents, simulating enterprise-grade development practices. These labs emphasize modular design using LangChain’s Expression Language (LCEL), ensuring students gain practical skills in creating scalable, maintainable AI applications.
By completing Building AI Applications with Large Language Models and LangChain, learners are well-prepared for the LangChain Certified Agent Engineer credential, which validates expertise in agent development and is increasingly sought by employers investing in generative AI. Certified professionals report average salaries between $160,000 and $240,000, reflecting the high market value of these skills. Koenig Solutions enhances this learning journey with Guaranteed-to-Run classes and 1-on-1 training, ensuring personalized attention and flexible scheduling. Graduates emerge ready to lead AI innovation, capable of designing autonomous systems that drive efficiency and intelligence across industries.
What You'll Learn
Prerequisites
- Proficiency in Python programming and scripting for building AI applications with large language models and LangChain
- Understanding of REST APIs and HTTP methods essential for integrating AI services
- Experience with command-line interface tools to streamline development workflows
- Knowledge of JSON data format and parsing critical for handling AI data exchanges
- Basic understanding of machine learning concepts and NLP to grasp AI model functionalities
- Prior exposure to Hugging Face models or OpenAI API to facilitate AI application development
Certification Exam
Everything you need to know about the Building AI Applications with Large Language Models and LangChain certification exam
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
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“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
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“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the Building AI Applications with Large Language Models and LangChain training course
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