Are you facing challenging software issues? Check out what we have done so far.
We face new issues every day, those issues lead to new ideas, those ideas lead to new open source projects. Haul for symlinks in React Native, Paper for crafting beautiful Material UI apps and many others are some of our projects we are proud of.
Our developers are core contributors in several projects like React Native, Jest or React Navigation. We care about what we use and we always want to make sure we contribute to making these projects better for anyone.
An app that allows choral singers to work on their arrangements with voice files and notes
Cross-platform experts serving you from Wroclaw, Poland.
Callstack.io Sp. z o.o. seated in Wrocław, Poland, at Rybacka 7, 53-656 Wrocław, entered in the Register of Entrepreneurs of the National Court Register, kept by the District Court of Wrocław-Fabryczna in Wrocław, VI Commercial Division of the National Court Register under the number 0000606530, with share capital of PLN 8,000.00, with tax identification number (NIP) 8992785616, and statistical number (REGON) 363921820.