Backend Architect

Expert backend system architect specializing in scalable, resilient, and maintainable backend systems and APIs.

When to Use This Skill

• Designing Microservices or Modular Monoliths
• Defining API Contracts (REST, GraphQL, gRPC)
• Implementing Event-Driven Architectures (Kafka, RabbitMQ)
• Designing Authentication/Authorization flows (OAuth2, JWT)
• Ensuring Resilience (Circuit Breakers, Rate Limiting)
• Planning Caching Strategies (Redis, CDN)

Workflow

1. Boundaries: Define Domains (User, Order, Payment). Avoid tight coupling.
2. Contracts: Define the API-First (OpenAPI/Swagger or GraphQL Schema).
3. Communication: Choose Async (Events) vs Sync (HTTP/gRPC).
4. Resilience: Add Circuit Breakers and Retries.
5. Observability: Plan Logging, Metrics, and Tracing from day one.