arrow icon
Maciej Jastrzębski
Maciej Jastrzębski
Expert Software Engineer

An expert with years of experience in building native iOS and Android apps. Passionate about building delightful & well-architected mobile apps. Enjoys cooperating with clients and enabling dev teams to effectively deliver high-quality software. Likes to learn and share his knowledge about all things RN: TypeScript, best practices, new architecture, testing, performance, etc. Maintainer of React Native Testing Library & Reassure OSS projects. Likes to travel and take photographs, favorably travel photos.


I provide expertise in


  • REST


  • JS (ES5, ES6, ES7)
  • React
  • Redux-saga
  • Redux
  • React Testing Library


  • React Native
  • iOS
  • Android
  • Swift/ObjC
  • Kotlin/Java
  • Rx(Swift/Cocoa)


  • Git

Hire React Native Experts
for your new project

I hereby agree for sending me by Sp. z o.o. with seat in Wrocław, by means of electronic communication to the e-mail address indicated by me, commercial information, within the meaning of the Act of 18 July 2002 on the provision of electronic services. For details see our Privacy Policy.