backend-development

To build secure APIs, apply token-based authentication, RBAC, and standard error handling. Designing REST and GraphQL services with clear contracts, versioning, and password hashing reduces risk and ensures reliable access control across backend systems.

The best way to model databases for microservices is applying structured schema design, defining relationships, and executing secure migrations. Implementing secure data access patterns ensures your backend architecture maintains integrity and reliability as services scale.

Yes, you can implement RBAC authorization in legacy APIs using Node.js and TypeScript. The skill provides patterns for auditing legacy endpoints, migrating architectures, and applying robust authorization models to secure existing microservices effectively.

Handle errors and logging in Node.js backend services by implementing structured logging, operational patterns, and retries. Applying consistent error handling and observability patterns ensures reliable services and maintainability across your projects.

No, external services are not required for authentication setup. The approach provides a minimal backend skeleton using a simple in-memory data store to illustrate signup, login, and protected resources without external dependencies.