Callstack is hiring a
Senior React Native Developer in Poland

Summary

The job is for a Senior React Native Developer at Callstack, a company that specializes in cross-platform development. The role involves acting as a technology consultant, driving development processes, collaborating with teams worldwide, contributing to Open Source projects, and growing in unique areas. The ideal candidate is an experienced JavaScript expert with extensive knowledge of modern frameworks and libraries, skilled in React.js and React Native, fluent in English (B2+), passionate about open source, a great communicator, team player, proactive, self-driven, and fun to work with.

Requirements

• A JavaScript expert with extensive knowledge and expertise in modern frameworks and libraries
• Skilled in and enthusiastic about React.js and React Native
• Experienced in web or mobile app development (3+ years)
• Driven towards learning new technologies and knowledge-sharing initiatives
• Able to quickly gain new technical expertise
• Fluent in English (B2+)
• Passionate about the open source mission (documented contributions to any open source project would be a huge plus)
• A great communicator and team player
• Proactive and self-driven

Responsibilities

• 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
• 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

Preferred Qualifications

Fun to work with :)

Benefits

• 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
• Free entry and possibility to participate in React Universe Conf