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I write about what I ship in production: NestJS, AWS, and distributed systems.
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A LinkedIn post on fintech architecture, a recent technical challenge, and a decision to rebuild a banking core from scratch — slower this time, to actually learn.
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Latest: How to Build a Multi-Tenant SaaS Application in NestJS Without Duplicating Your Code
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If onboarding a new customer requires deploying a new application or duplicating an entire database, your SaaS architecture probably isn't ready to scale. Learn how to implement multi-tenancy in NestJS in a clean and maintainable way.
If every new feature forces you to modify five different services, you probably have a coupling problem. Learn how Event-Driven Architecture helps decouple modules and scale NestJS applications.
When your UserService handles POST and GET, optimizations on one side break the other. Learn commands, queries, and handlers with @nestjs/cqrs.
Controllers that know too much, entities full of ORM decorators, and tests that need a database. A practical guide to ports and adapters in NestJS.
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