
B2B • Software Engineering
Callstack is a leading software engineering consultancy that specializes in app development and technological transformation using React and React Native. They provide end-to-end product development services including mobile and web app development, app performance optimization, and tech stack upgrades. Their expertise in the React ecosystem makes them a trusted partner for companies looking to enhance and innovate their software solutions. Callstack also focuses on educating and upskilling development teams, enabling organizations to stay competitive and efficient.
51 - 200 employees
Founded 2016
🤝 B2B
November 24

B2B • Software Engineering
Callstack is a leading software engineering consultancy that specializes in app development and technological transformation using React and React Native. They provide end-to-end product development services including mobile and web app development, app performance optimization, and tech stack upgrades. Their expertise in the React ecosystem makes them a trusted partner for companies looking to enhance and innovate their software solutions. Callstack also focuses on educating and upskilling development teams, enabling organizations to stay competitive and efficient.
51 - 200 employees
Founded 2016
🤝 B2B
• Act as a technology expert for our clients, discuss challenges and advise in architectural discussions • Drive the development process by providing expertise and solving the most complex programming issues • Create project documentation • 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, being a part of our R&D activities
• A C++ developer with extensive knowledge (C++ 11/17) • Strongly experienced in CMake and some GUI frameworks • Experienced in Business Consulting and eager to discuss technical challenges on a daily basis • Know mobile development and underlying native platforms (iOS / Android) • Driven towards learning new technologies and knowledge-sharing initiatives • Able to quickly gain new technical expertise • Fluent in English (C1) both spoken and written • A great communicator and team player • Proactive and self-driven • Nice to have (not a must, but might be beneficial): React / React Native development experience • Experience in embedded / operating systems development • Game development experience
• 24 paid days off & 30 days paid sick leave for B2B contractors • Fully-covered life insurance • Private healthcare for you and your family • Free access to mental health platform - Helping Hand • Multisport Card or monthly allowance for other sports activities • Individual Wellbeing & Development Budget • Monthly lunch allowance • Accounting costs refund for B2B contractors • Flexible working hours and fully remote work possibility • Cool office in Wrocław city center • Magnificent team events and activities • Company-wide workation and team building workshops • Top-notch hardware - Apple devices
Apply NowNovember 24
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