---
title: "Christopher Alphonse (@reinvoice) | Hashnode"
description: "Simple invoicing and tax tracking for 1099 contractors, freelancers, and self-employed workers. Read the latest articles by Christopher Alphonse on Hashnode."
url: "https://hashnode.com/@reinvoice"
---

@reinvoice

# Christopher Alphonse

@reinvoice · Boston, USA · Joined June 2026

Simple invoicing and tax tracking for 1099 contractors, freelancers, and self-employed workers.

### [Building a Multi-Tenant Invoicing API with Drizzle, Next.js, and Better Auth](https://reinvoice.hashnode.dev/building-a-multi-tenant-invoicing-api-with-drizzle-next-js-and-better-auth?utm_source=hashnode&utm_medium=feed)

How we structured tenant isolation, row-level security, and cross-org queries for a SaaS invoicing platform.

6 min read · [reinvoice.hashnode.dev](https://reinvoice.hashnode.dev/building-a-multi-tenant-invoicing-api-with-drizzle-next-js-and-better-auth?utm_source=hashnode&utm_medium=feed)

[Jun 6](https://hashnode.com/posts/building-a-multi-tenant-invoicing-api-with-drizzle-next-js-and-better-auth/6a2475e0535112317b85ad87)