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We use NestJS as the backbone of our internal applications at O2 Czech Republic. It enables us to build scalable backend services quickly while maintaining consistent architecture and standards across teams. With seamless integration across multiple databases and a strong focus on clean architecture, NestJS has significantly improved both our development speed and code quality.

We use NestJS as the backbone of our healthcare and education staffing marketplace, powering over 30 microservices across a 3.5-million-line TypeScript codebase. NestJS's opinionated module system and structured conventions help maintain consistency as we scale agent workflows. NestJS gave us an architecture that scales for humans and AI.

When developing modern software solutions for mobile and web, it is crucial to put them on top of loosely coupled, testable and easy maintainable backend systems. To achieve this goal we use since recently the NestJS framework that provides us with an out of the box backend application architecture. Inspired by Angular and written in TypeScript, NestJS fits ideally in our development tool stack. Modularity, dependency injection and custom providers are only some of many useful features we benefit from when using NestJS.

Plotly chose NestJS as one of the technologies for a major new product initiative. In fact, the move to Node for some of our backend services was a new shift for the engineering team. Trilon was invaluable training the team, establishing best practices early and helping navigate the many dependencies we assembled to deliver a quality build and product.