Callstack Engineers Courses

Getting Better All the Time - How to Escape Bad Code

Discover techniques to improve messy code without costly rewrites. Learn how comprehensive testing enables effortless refactoring, and gain practical strategies for implementing this approach in your projects.

• YouTube
• 31 minutes
• Self-Paced
• Conference Talk

You Can Go Everywhere but I Can Go Fast - Performance Case Study

Explore the trade-offs between app performance and versatility in React Native, examining strategies for optimizing speed and flexibility through real-world case studies.

• YouTube
• 22 minutes
• Self-Paced
• Conference Talk

How We Made Our App 80% Faster - A Data Structure Story

Discover how a simple data structure fix dramatically improved app performance by 80%, after exploring various React Native optimization techniques and performance tweaks.

• YouTube
• 25 minutes
• Self-Paced
• Conference Talk

How to Access All the Objective-C APIs Using JSI - React Native EU 2022

Explore synchronous native API access in React Native using JSI. Learn to bridge Objective-C APIs, including non-serializable types, enhancing cross-platform development capabilities.

• YouTube
• 39 minutes
• Self-Paced
• Conference Talk

Changing React Native from Within

Discover Microsoft's efforts to enhance React Native's developer experience through open-source tools, cross-company collaborations, and direct contributions to the core codebase.

• YouTube
• 34 minutes
• Self-Paced
• Conference Talk

Bringing the New React Native Architecture to the OSS Community

Explore the rollout of React Native's New Architecture, its impact on development, and strategies for migrating projects based on Meta's experience.

• YouTube
• 28 minutes
• Self-Paced
• Conference Talk

Reassure - Open Source Performance Regression Measurement Tool

Explore Reassure, an open-source tool for measuring performance regression in React Native apps. Learn its features, development story, and future plans through expert discussions and a live coding demo.

• YouTube
• 1 hour 3 minutes
• Self-Paced
• Conference Talk

How to Update a UI Library

Discover strategies for upgrading a widely-used React Native UI library, including challenges and lessons learned when implementing a new Material Design version.

• YouTube
• 23 minutes
• Self-Paced
• Conference Talk

The New Architecture is Here - What Now

Insights on migrating to React Native's new architecture: benefits, evaluation, estimation, and implementation strategies for teams looking to upgrade their mobile app development.

• YouTube
• 30 minutes
• Self-Paced
• Conference Talk

Animate Everything - How to Use Animations with 60 FPS

Explore advanced animation techniques in React Native, including Animated, Reanimated 2, and Lottie, with practical examples for creating smooth 60fps animations across devices.

• YouTube
• 42 minutes
• Self-Paced
• Conference Talk

The New React Native - Bringing the Fabric Renderer to the Facebook App

Exploring the journey of implementing Fabric renderer in Facebook's app, discussing challenges, solutions, and lessons learned during the large-scale migration to this new React Native technology.

• YouTube
• 39 minutes
• Self-Paced
• Conference Talk

How to Iterate on Your App Faster with Expo

Learn to rapidly develop and deploy React Native apps using Expo's open-source tools and services, from initial concept to app store submission and ongoing updates.

• YouTube
• 21 minutes
• Self-Paced
• Conference Talk

Local Notifications in React Native

Exploring advanced local notifications in React Native: setup, media support, quick actions, and scheduling with Notifee for enhanced user engagement and retention.

• YouTube
• 35 minutes
• Self-Paced
• Conference Talk

Improve All the Repos - Exploring Microsoft's DevExp

Explore Microsoft's approach to managing React Native in large-scale projects, including custom tooling and strategies for improving developer experience across multiple codebases.

• YouTube
• 29 minutes
• Self-Paced
• Conference Talk

React Query with GraphQL Code Gen and Typescript

Explore React Query's features in React Native, including GraphQL code generation, automatic re-fetching, infinite queries, and cache persistence. Learn implementation tips and comparisons with other libraries.

• YouTube
• 59 minutes
• Self-Paced
• Conference Talk