RESTful API for managing users and passwords. Built with Node.js, Express, and PostgreSQL. Secured with per-client API keys. Deployed via Docker Compose. src/ app.js # Express app entry point config/ ...

Typos become compile-time failures, not runtime surprises. Values are parameterized. Identifiers are quoted. The schema is the source of truth.

Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain trends, and present findings clearly across business, finance, product, and ...