Architecture patterns with working code.

Architecture and design patterns for distributed systems and domain-driven design, each with a short C# and TypeScript example, when to use it, and when to avoid it.

The patterns ARG Software uses on production systems, each explained with the problem it solves, a short C# example, a short TypeScript example, and when to avoid it.

Patterns cover distributed systems (transactional outbox, idempotent consumer, saga, event sourcing, database per service), resilience (circuit breaker), domain-driven design (aggregate, value object), and architecture (CQRS, API gateway and backend for frontend).

Home Services Our Work Blog Partners Use Cases Careers AI Skills Patterns About Us Working with Us Audit Contact Aggregate Pattern API Gateway and Backend for Frontend Circuit Breaker Pattern CQRS Pattern Database per Service Pattern Event Sourcing Pattern Idempotent Consumer Pattern Saga Pattern Transactional Outbox Pattern Value Object Pattern