Celest – Flutter Cloud Platform
Hi HN! I’m Dillon, the founder of Celest (https://celest.dev). Celest is a backend-as-a-service that lets you build full-stack Flutter and Dart apps without leaving your IDE. There’s a short demo video here: https://www.youtube.com/watch?v=Evs1f0zHpzk At AWS, I built the Amplify Flutter framework and saw the extraordinary power (and complexity) the modern cloud presents. I wore many hats in that role, but the hat I most disliked was devops. I just wanted to write my business logic and have it work. As a Flutter developer, I love writing Dart, and I want to use it…
In plain words
Celest is a backend-as-a-service platform that enables developers to build full-stack Flutter and Dart applications entirely within their IDE using only Dart code. It eliminates the need for DevOps tools like Docker and Terraform by automating infrastructure management. The platform is designed for Flutter developers who want to use Dart for both frontend and backend development without managing cloud complexity directly.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN! I’m Dillon, the founder of Celest (https://celest.dev). Celest is a backend-as-a-service that lets you build full-stack Flutter and Dart apps without leaving your IDE. There’s a short demo video here: https://www.youtube.com/watch?v=Evs1f0zHpzk At AWS, I built the Amplify Flutter framework and saw the extraordinary power (and complexity) the modern cloud presents. I wore many hats in that role, but the hat I most disliked was devops. I just wanted to write my business logic and have it work. As a Flutter developer, I love writing Dart, and I want to use it everywhere. But in order to do so today, it requires stringing together Docker, Terraform and a healthy dose of cloud expertise to make it work. I built Celest so that I never have to use anything but Dart in my backends, and so other Flutter developers won’t either! Celest brings infrastructure-from-code to Dart in a way that’s fun to write. Cloud functions are just top-level Dart functions and the inputs and outputs are automatically serialized for you. Run celest start to spin up a local environment with hot reload, and celest deploy to deploy to our managed cloud in under a few minutes. A type-safe client is generated for you as you build to create an RPC-like interface for your backend. Celest currently offers serverless functions, authentication, and authorization. Our goal for the coming months is to further offer an offline-first SQL database and ORM. One cool thing about our authorization mechanism is a novel token format which combines Google’s Macaroons [1] with the Cedar policy language [2] for expressing caveats. I call them Corks! https://github.com/celest-dev/celest/tree/main/packages/cork... You can download the CLI at https://celest.dev and play in a local environment for free with no sign ups. The client runtime is open-sourced as BSD at https://github.com/celest-dev/celest. There are some examples here: https://github.com/celest-dev/celest/tree/main/examples. Check us out and let us know what you think! [1] https://research.google/pubs/macaroons-cookies-with-contextu... [2] https://www.cedarpolicy.com/en
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