Senior React Native Developer

Salary: 21 000 - 35 000 PLN net + VAT (B2B) Callstack is a cross-platform and AI-native technology company working with some of the world’s leading brands to build better digital products and services. We’re deeply rooted in the React and React Native ecosystem - as core contributors, Open Source creators, and co-founders of the React Foundation. We work at the edge of what’s possible, collaborating with industry leaders and helping shape the technology we use every day. We also bring the community together through React Universe Conf, Agent Conf, meetups around the world, and talks at international conferences. Our main goal is to drive and accelerate software development innovation. When the way software is built changes, we help companies adopt it. To achieve that, we follow our major rule: We don’t follow best practices. We set them! Come build, experiment, and push the boundaries of cross-platform and AI-native engineering with us! As a Senior React Native Developer, you will: - Act as a technology consultant for our clients and help them build great products for multiple platforms - Drive the development process by providing expertise in cross-platform technologies and solving the most complex programming issues - Use AI-assisted development tools as a standard part of your engineering workflow to improve productivity, code quality, debugging, and technical decision-making - Collaborate with development teams, CTOs, Project Managers, and Product Owners from all around the world - Have multiple possibilities to contribute to the Open Source community by working on projects led by our CTO, React Native Core Contributors, and our Senior Developers - Be one step ahead, exploring technologies of tomorrow, and being a part of our R&D activities - Simply have fun!