Senior Software Engineer I, Frontend (Data and Reporting)

5+ years of professional frontend development experience., Willing to come into our Kraków or Gdańsk office 2-3 times per week., Strong proficiency in React, with experience building and maintaining complex component architectures., Demonstrated experience with data visualization libraries (D3, Recharts, Victory, Chart.js, or similar) and translating data into clear, actionable visuals., Track record of building responsive web applications that work well across devices., Experience working with RESTful APIs and integrating frontend applications with backend services., Solid understanding of modern frontend tooling, testing practices, and performance optimization., Strong communication skills and the ability to collaborate effectively with cross-functional teams., Comfort with ambiguity and the judgment to make good product decisions independently., Experience building analytics dashboards or reporting interfaces., Familiarity with Python or backend development concepts., Background in the restaurant or hospitality technology sector., Experience mentoring other engineers or leading frontend architecture decisions.

sharing the costs of sports activities, private medical care, sharing the costs of professional training & courses, flexible working time, corporate library, no dress code, video games at work, drinks, parking space for employees, leisure zone, meal passes, employee referral program