Michał Pierzchała

Head of Technology

Head of Technology overseeing Callstack's Open Source and R&D efforts. Making sure we keep on innovating in app development space. Passionate about building OSS tools for JS devs. Created React Native Testing Library. And he likes rockets!

Michał Pierzchała

My resources

Introducing E2E Tests to React Native Core

How to Make Your Open Source Project Repository Contributor Friendly

Continuous App Performance Monitoring Made Simple With Reassure

Migrating React and Native Apps To React Native - Everything You Need To Know

Merge of React Native Testing Libraries

React Native Testing Library 2.0 - What’s New?

Look into the Future of React Native Testing Library

React v18.0 & React Native 0.68

Open Source

React Native News and App.js Conf

Reassure - Open Source Tool Measuring Performance Regression

Webpack & Callstack Experts’ Take on Next.js Conf

NPM Kiosk and Open Source Monetization

State of React Native

Callstack OSS Update

Getting started with super apps

Across React Universe meetup in San Francisco

Top 5 metrics you need to track when optimizing your React Native app

Case studies

Continuous Improvement of the AutoZone Applications

Open source projects

Join us!

Not member of {callstack} team