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Build Next-Gen LLM Apps with LangChain & LangGraph Specialization

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Coursera

Build Next-Gen LLM Apps with LangChain & LangGraph Specialization

Build Production LLM Apps with LangChain. Deploy scalable, secure LLM applications from development to production with enterprise-grade tools

Caio Avelino
Starweaver
Karlis Zars

Instructors: Caio Avelino

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Get in-depth knowledge of a subject
Intermediate level

Recommended experience

4 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace
Get in-depth knowledge of a subject
Intermediate level

Recommended experience

4 weeks to complete
at 10 hours a week
Flexible schedule
Learn at your own pace

What you'll learn

  • Build and deploy production-grade LLM applications using LangChain, microservices architecture, and enterprise security controls.

  • Implement fine-tuning, embeddings validation, and performance optimization to achieve 99.9% uptime and 90% cost reduction.

  • Design monitoring systems, chaos testing, and ROI frameworks that connect LLM performance metrics to business value.

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Taught in English
Recently updated!

December 2025

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Specialization - 11 course series

What you'll learn

  • Construct modular LLM chains using LangChain's core components (prompts, models, and output parsers) to replace hardcoded API calls.

  • Apply systematic refactoring methodology to transform existing LLM scripts into maintainable LangChain workflows with proper error handling.

  • Implement production-ready patterns for common LLM use cases including Q&A systems, summarization pipelines, and data extraction workflows.

Skills you'll gain

Category: Prompt Engineering
Category: LangChain
Category: System Monitoring
Category: Performance Tuning
Category: Vector Databases
Category: Scalability
Category: AI Workflows
Category: Retrieval-Augmented Generation
Category: Cost Reduction
Category: Maintainability
Category: Model Deployment
Category: Application Performance Management
Category: LLM Application
Category: Enterprise Application Management

What you'll learn

  • Optimize LLM behavior using structured prompting, role assignment, and controlled output formatting.

  • Design scalable middleware to manage API requests, rate limits, caching, and token budgets for efficient LLM apps.

  • Create intuitive, user-centered interfaces that integrate feedback loops to continuously improve model responses and user trust.

Skills you'll gain

Category: LLM Application
Category: Frontend Integration
Category: OpenAI API
Category: UI/UX Research
Category: Middleware

What you'll learn

  • Analyze AI workloads to define logical microservice boundaries and implement modular LangChain components communicating via gRPC.

  • Apply containerization and orchestration using Docker, ECR, K8s to deploy, scale, and monitor LangChain services with health checks and telemetry.

  • Evaluate and strengthen resilience by implementing OpenTelemetry tracing, Prometheus metrics, and chaos testing to measure and improve recovery.

Skills you'll gain

Category: Microservices
Category: Kubernetes
Category: Containerization
Category: LangChain
Category: Grafana
Category: Performance Testing
Category: Docker (Software)
Category: Application Deployment
Category: Large Language Modeling
Category: Scalability
Category: Prometheus (Software)
Category: Cloud Deployment
Category: MLOps (Machine Learning Operations)
Category: System Monitoring
Category: LLM Application
Category: API Design

What you'll learn

  • Design automated CI/CD pipelines for LLM deployments using containerization and infrastructure as code.

  • Apply security best practices including API protection, prompt injection prevention, and compliance frameworks.

  • Configure production monitoring, auto-scaling, and cost optimization for enterprise LLM systems.

Skills you'll gain

Category: Infrastructure as Code (IaC)
Category: CI/CD
Category: Docker (Software)
Category: DevSecOps
Category: Cloud Deployment
Category: System Monitoring
Category: LLM Application
Category: Cloud Management
Category: Enterprise Security
Category: Performance Testing
Category: DevOps
Category: Amazon CloudWatch

What you'll learn

  • Apply decoding strategies (e.g., temperature, top-k, top-p, beam search) to control model outputs for quality, diversity, and relevance.

  • Evaluate AI-generated text using automated metrics and frameworks to systematically assess fluency, coherence, and factual accuracy.

  • Implement parameter-efficient fine-tuning (PEFT) techniques to create domain-adapted foundation models while balancing cost-performance trade-offs.

Skills you'll gain

Category: Large Language Modeling
Category: Model Evaluation
Category: Generative AI
Category: Responsible AI
Category: Analysis
Category: AI Personalization
Category: Model Deployment
Category: Hugging Face
Category: Applied Machine Learning
Category: Transfer Learning
Category: Program Evaluation
Category: MLOps (Machine Learning Operations)
Category: AI Product Strategy
Category: Model Based Systems Engineering
Category: Artificial Intelligence and Machine Learning (AI/ML)
Category: Performance Tuning

What you'll learn

  • Optimize LLM behavior using structured prompting and self-checks to reduce variance and errors.

  • Design scalable middleware to manage API requests, retries, caching, and token budgets for performance targets.

  • Build user-centered interfaces that collect feedback and improve LLM accuracy and user trust.

Skills you'll gain

Category: Performance Testing
Category: Performance Tuning
Category: Application Performance Management
Category: Scalability
Category: Prompt Engineering
Category: OpenAI API
Category: Tool Calling
Category: LLM Application
Category: Model Evaluation
Category: Responsible AI
Category: API Design
Category: A/B Testing
Category: Retrieval-Augmented Generation

What you'll learn

  • Apply sentence-transformers to embed documents and validate recall using FAISS vector indices and systematic retrieval tests.

  • Diagnose embedding issues by visualizing with UMAP, spotting anomalies, and cleaning data via cluster analysis workflows.

  • Evaluate embedding models on cost, latency, and accuracy to recommend the best candidates for production deployment.

Skills you'll gain

Category: Embeddings
Category: Data Validation
Category: Anomaly Detection
Category: System Monitoring
Category: Benchmarking
Category: Cost Reduction
Category: Data Manipulation
Category: Dimensionality Reduction
Category: LLM Application
Category: Data Cleansing
Category: Legal Technology
Category: E-Commerce
Category: Verification And Validation
Category: Vector Databases
Category: Model Deployment
Category: Semantic Web
Category: Data Quality
Category: Model Evaluation
Category: Unsupervised Learning
Category: MLOps (Machine Learning Operations)

What you'll learn

  • Analyze LLM architectures and foundation models for specific use cases.

  • Implement fine-tuning techniques using industry-standard tools and frameworks.

  • Deploy LLM models in production environments with security and optimization.

Skills you'll gain

Category: Large Language Modeling
Category: Prompt Engineering
Category: Artificial Intelligence
Category: Application Security
Category: API Design
Category: Model Deployment
Category: Performance Tuning
Category: Transfer Learning
Category: System Monitoring
Category: LLM Application
Category: Applied Machine Learning
Category: MLOps (Machine Learning Operations)
Category: Cloud Deployment
Category: Hugging Face
Category: AI Security
Category: Scalability
Category: Model Evaluation

What you'll learn

  • Design scalable LLM API architectures using microservices patterns, load balancing, and caching for high-throughput applications.

  • Implement enterprise security including authentication, authorization, rate limiting, and prompt injection protection.

  • Deploy monitoring systems and optimize performance achieving 99.9% uptime and sub-100ms response times.

Skills you'll gain

Category: Security Controls
Category: Load Balancing
Category: API Design
Category: Cloud Management
Category: Cloud API
Category: Network Monitoring
Category: Performance Testing
Category: Incident Response
Category: Machine Learning
Category: AI Security
Category: Redis
Category: Python Programming
Category: MLOps (Machine Learning Operations)
Category: Amazon CloudWatch
Category: Application Performance Management
Category: GitHub

What you'll learn

  • Evaluate AI use cases by applying key Responsible AI principles such as fairness, transparency, and accountability.

  • Identify and document potential risks and biases across data, models, and user interactions using structured ethical design tools.

  • Develop and communicate stakeholder-ready presentations and documentation that clearly articulate Responsible AI design decisions.

Skills you'll gain

Category: Stakeholder Communications
Category: Ethical Standards And Conduct
Category: Responsible AI
Category: Risk Mitigation
Category: Data Ethics
Category: Accountability
Category: Presentations
Category: Project Documentation
Category: Stakeholder Analysis
Category: Data Storytelling
Category: Case Studies
Category: Technical Communication
Category: Governance
Category: Artificial Intelligence
Category: Risk Management
Category: Design

What you'll learn

  • Map model metrics to business metrics, and define baselines, counterfactuals, and a measurement plan.

  • Design experiments, compute lift and confidence intervals, and plan guardrails.

  • Quantify ROI and risk, build an impact dashboard, and craft an executive story with clear next steps.

Skills you'll gain

Category: A/B Testing
Category: Return On Investment
Category: Business Metrics
Category: Experimentation
Category: Model Evaluation
Category: Key Performance Indicators (KPIs)
Category: Analysis
Category: Data Storytelling
Category: Performance Analysis
Category: Financial Analysis
Category: Stakeholder Communications
Category: Dashboard
Category: Power Electronics
Category: Business Valuation
Category: Sample Size Determination
Category: Machine Learning
Category: Product Management
Category: Performance Measurement
Category: Business

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Instructors

Caio Avelino
7 Courses7,166 learners
Starweaver
Coursera
514 Courses932,190 learners
Karlis Zars
32 Courses53,502 learners

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