A Senior’s Guide to Using Sequelize with TypeScript — The Right Way
In the age of Prisma and Drizzle, Sequelize still holds its ground as a mature, battle-tested ORM with excellent support for raw SQL, transactional workflows, and complex associations. But if you’ve ever tried to use Sequelize with TypeScript, you’ve probably bumped into the usual pain points: model typing, messy associations, or that dreaded return of any. This guide is for developers who want to use Sequelize in a TypeScript project the right way — with fully typed models, associations, queries, and clean project structure.

In the age of Prisma and Drizzle, Sequelize still holds its ground as a mature, battle-tested ORM with excellent support for raw SQL, transactional workflows, and complex associations. But if you’ve ever tried to use Sequelize with TypeScript, you’ve probably bumped into the usual pain points: model typing, messy associations, or that dreaded return of any
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This guide is for developers who want to use Sequelize in a TypeScript project the right way — with fully typed models, associations, queries, and clean project structure.