Agent Skills: backend-development

Use this skill for ANY task in a Node.js/TypeScript or Go backend codebase — adding features, fixing bugs, refactoring, adding flows, modifying handlers, changing business logic, or writing new code. Trigger even when the task is vague like "add the flow to this", "implement this feature", "fix this", or "add X like Y" — if the project has go.mod, nest-cli.json, express routes, or server-side TypeScript, this skill applies. Covers REST APIs, PostgreSQL, Redis, authentication, job queues, events, microservices, Docker, CI/CD, Clean Architecture, SOLID, DRY, and code reuse patterns. When in doubt whether this is backend work, use this skill.