Competencies: Software Architecture > API & Integration Architecture

REST API Design

Resource modeling, HTTP methods, status codes, HATEOAS, Richardson Maturity Model

Critical

Software Architect, Backend Developer

GraphQL Architecture

Schema design, resolvers, federation, subscriptions, batching with DataLoader

High

Software Architect, Backend Developer

gRPC & Protocol Buffers

Service definitions, streaming, code generation, performance optimization

High

Software Architect, Backend Developer

API Gateway Patterns

Request routing, authentication, rate limiting, API composition, BFF pattern

Critical

Software Architect, Backend Developer, DevOps Engineer

API Versioning

URL versioning, header versioning, semantic versioning, deprecation strategies

High

Software Architect, Backend Developer

Webhook Architecture

Event delivery, retry mechanisms, signature verification, idempotency

High

Software Architect, Backend Developer

Integration Patterns

Enterprise Integration Patterns, message routing, transformation, orchestration

High

Software Architect, Integration Engineer

API Security

OAuth 2.0, JWT, API keys, mutual TLS, CORS, input validation

Critical

Software Architect, Security Engineer, Backend Developer

Contract Testing

Consumer-driven contracts, Pact, OpenAPI validation, schema testing

High

Software Architect, Backend Developer, QA Engineer

Async API Design

WebSockets, Server-Sent Events, long polling, message queues for async

High

Software Architect, Backend Developer

API Documentation

OpenAPI/Swagger, API portals, developer experience, SDK generation

High

Software Architect, Backend Developer, Technical Writer

Service Orchestration

Workflow engines, choreography vs orchestration, saga coordination

High

Software Architect, Backend Developer

To be populated

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