How a Simple Call Stack Optimization Saved Us 500K API Calls Monthly

Mon, 05 Aug 2024 01:42:26 +0000

Introduction

Fourteen years in full-stack development—spanning Node.js backends, NestJS APIs, Angular dashboards, and React Native apps—have taught me that user frustration can be the ultimate motivator. In a React Native app with tens of thousands of users, we saw ~500k API calls failing monthly—not because our servers choked, but because app-level errors like bad internet or device crashes left users stuck. Progress vanished, data didn’t sync, and complaints piled up. After years of refining a callstack worker to retry those fails and save the day, I’ve open-sourced it as @radoslawfabisiak/react-native-callstack.

Flutter Course, building a fintech mobile app – Lesson 1: Login form

Mon, 15 Jun 2020 15:42:26 +0000

Intro to Flutter Course

Flutter is a framework to build mobile applications for Android and iOS using Dart programming language. Flutter was made by Google developers, and now it’s the main competitor of React Native.

As a front-end developer, I’ve already worked with React Native, and I have an idea of how it works, but Flutter was a mystery that I wanted to discover. So, I did, and that’s why today I’d like to show you how cool Flutter is, and how comfortable it’s to work with this tool.

Mobile Development on Duomly blog

How a Simple Call Stack Optimization Saved Us 500K API Calls Monthly

Introduction

Flutter Course, building a fintech mobile app – Lesson 1: Login form

Intro to Flutter Course