Domain-Driven Design: Concepts and Practices for Senior Developers Training Course

Overview of Domain-Driven Design Methodology

• Foundational principles and strategic objectives
• Establishing a shared understanding through collaboration with subject matter experts
• Classification of core, supporting, and generic subdomains for resource allocation

Strategic Design and Bounded Context Management

• Defining bounded contexts and delineating operational responsibilities
• Mapping contextual relationships and implementing integration standards
• Aligning team structures, organizational boundaries, and data governance

Tactical Implementation Patterns for Domain Modeling

• Entity design and unique identifier management
• Utilizing value objects to enforce immutability and clarity
• Defining aggregates to establish transactional consistency boundaries

Implementation of Domain Services, Repositories, and Factories

• Differentiating between domain logic and application orchestration layers
• Applying repository abstractions for data persistence concerns
• Employing factory patterns to manage complex object initialization processes

Modeling Complex Business Behavior and Invariants

• Identifying critical invariants and enforcing regulatory business rules
• Implementing event-driven architectures for domain notifications
• Managing consistency requirements, including eventual consistency and saga patterns

Integration of DDD with Engineering Architecture Practices

• Aligning domain models with microservices or modular monolith structures
• Designing APIs, deploying anti-corruption layers, and defining integration protocols
• Validating domain logic through unit, integration, and contract testing for government systems

Organizational Adoption and Change Management

• Facilitating domain discovery sessions and Event Storming workshops
• Maintaining a consistent ubiquitous language across cross-functional teams
• Establishing metrics for model effectiveness and continuous iteration strategies

Executive Summary and Action Plan