We're looking for a Staff Engineer to join our Mobile team in Warsaw and lead a strategic platform transformation, moving to React Native as our cross-platform foundation
Job Summary
We're looking for a Staff Engineer to join our Mobile team in Warsaw and lead a strategic platform transformation, moving to React Native as our cross-platform foundation.
You will be the technical anchor of this multi-year initiative, setting the architectural direction, driving the adoption of React Native, and enabling us to ship the same features on iOS, Android, and web from a single codebase.
This is not a solo contributor role; we need someone who can coach engineers, build engineering culture, and make the transformation stick, establishing a sustainable, scalable way of building cross-platform products at Box.
Matching Summary
We're looking for a Staff Engineer to join our Mobile team in Warsaw and lead a strategic platform transformation, moving to React Native as our cross-platform foundation.
Skills & Requirements
Must-have
React Native expertise
cross-platform mobile products
iOS and Android fundamentals
technical direction and architecture
React Native migration
Nice-to-have
AI-first company mindset
growth mindset
leveraging AI for impact
platform or architectural transformations
web technologies (React)
acting like an owner
mobile products at scale
Key Requirements
8–10+ years of professional software engineering experience
Deep, hands-on expertise in React Native
Proven experience building cross-platform mobile products
Personally led or key contributor to React Native migration
Strong understanding of iOS and Android platform fundamentals
Excellent cross-functional collaboration and communication skills
Experience mentoring engineers and developing team capabilities