What a Flutter! Or what makes it so performant

Flutter Warsaw #11

One of the most popular topics in the Flutter community is performance, and the Flutter framework does an excellent job being fast by default. You've probably read a lot of articles about how Flutter compares to other mobile development technologies and if you think how it stands out from the other frameworks you're in the right place. In the second part of the 11th edition of Flutter Warsaw Razvan Lung will show us how Flutter is so performant. We will take a look behind the Flutter engine and see how the Garbage Collector works.

Presentation contains:

  • How Flutter is structured
  • Why Dart is a really good language for Flutter
  • What is the Garbage Collector in Dart and how does it work
  • What is the Garbage Collectors Young Space Scavenger
  • How to Mark and Sweep works
  • How Flutter renders his layouts
  • The Livecoding session

Read more

Implementing live whiteboard with Flutter and Firestore database

In this blog post, we will explore a possible implementation of such a whiteboard using Flutter to create a mobile application and Firestore database as backend.

Using Flutter in the Enterprise environment

Building one of the biggest Fintech applications in Flutter was very challenging. Jakub Biliński is responsible for the architecture, approach and development of a new version of the mobile application for strategic and corporate clients of the bank. In his, he shows how his team had to adjust to FinTech security compliance,  write a custom HTTP client, maintain application scalability and more.

The Powers of Immutable State

Managing a state can be a stressful ordeal if you dive into it without any thought. This kind of monstrous code can be tamed with the principles of immutability. And as if cleaning your code wasn't enough in itself, immutable state comes with a handful of hidden superpowers! Come along for the journey to find out how to use them.

Why Firestore, Part I: reasons to love it

Firestore & Firebase suite are great technologies. They allow us to build some features really fast. However, Firestore has also many pain points that outweigh the pros in most of the more advanced cases.

Case studies



.NET Core


We build communities

No match for you?

No problem, send us your resume, we constantly look for new talents. Write on office@leancode.pl