← All work
Email marketing SaaS
SwiftSend
A multi-tenant email marketing platform, Mailchimp-style, built on Azure Communication Services.
Tenants32
Sent today48k
Open rate41%
Campaign queued: 12 workers
The challenge
Send large campaigns reliably for many separate businesses from one platform, without one tenant’s data or sending reputation touching another’s.
What we built
NestJSBullMQ + RedisNext.jsAzure Communication Services
- 01Multi-tenant NestJS API with strict tenant isolation
- 02BullMQ workers for queued, rate-limited sending
- 03Next.js dashboard for lists, campaigns and results
- 04Full security and bug review with fixes applied
The result
A production-grade SaaS foundation, and proof of the kind of product Digi9ine can build for you.
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