Staff Software Engineer, React Native at Boxinc

What is Box? Box is the world's leading Content Cloud. We are trusted by more than 115K organizations around the world today, including nearly 70% of the Fortune 500 and leaders across deeply regulated industries (such as JLL, and Nationwide), to protect their data, fuel collaboration, and power critical workflows with secure, enterprise AI. By joining Box, you will have the unique opportunity to continue driving our platform forward. Content powers how we work. It's the billions of files and information flowing across teams, departments, and key business processes every single day: contracts, invoices, employee records, financials, product specs, marketing assets, and more. Our mission is to bring intelligence to the world of content management and empower our customers to completely transform workflows across their organizations. With the combination of AI and enterprise content, the opportunity has never been greater to transform how the world works together and at Box you will be on the front lines of this massive shift. Founded in 2005, Box is headquartered in Redwood City, CA, and we have offices across the United States, Europe, and Asia. Why Box needs you? We're looking for a Staff Engineer to join our Mobile team in Warsaw and lead a strategic platform transformation. Our mission is to deliver a world-class mobile experience that keeps pace with our web product — and to do that, we're 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 across the team, and enabling us to ship the same features on iOS, Android, and web from a single codebase. Mobile is a high-visibility surface used by millions of Box customers, and this role sits at the heart of how we evolve it. This is not a solo contributor role. We have firepower in the team. What we need is someone who can coach engineers, build engineering culture, and make the transformation stick — not just close the gap once, but establish a sustainable, scalable way of building cross-platform products at Box. Who you are? We are an AI-first company. This means you approach your work with a growth mindset and find ways to leverage AI to help make faster, smarter decisions that will 10X your impact at Box. • 8–10+ years of professional software engineering experience • Deep, hands-on expertise in React Native - this is the single most critical requirement for this role • Proven experience building cross-platform mobile products targeting iOS, Android, and web • (Ideally) have personally led or been a key contributor to a migration from native iOS/Android to React Native • Strong understanding of both iOS and Android platform fundamentals • Excellent cross-functional collaboration and communication skills - you know how to work with product, design, and platform teams • Experience mentoring engineers and developing team capabilities • Must speak English proficiently Bonus points for • Experience driving platform or architectural transformations in a product company • Familiarity with web technologies (React) and how they intersect with the React Native ecosystem • You act like an owner and strive to do work you're proud of, both technically and in your team interactions • Experience working on mobile products at scale with large, cross-functional engineering organisations What you'll do? • Define and drive the technical direction and architecture of Box's React Native migration • Coach and upskill mobile engineers, embedding React Native best practices across the team • Collaborate, influence, and drive alignment across mobile, web, product, and platform teams • Attend and engage in weekly stand ups, team meetings, and manager 1:1s • Model solid engineering practices around architectural design, testability, scalability, and maintainability • Partner with Engineering Managers, Product Managers, and cross-functional stakeholders to shape the mobile roadmap • Contribute hands-on code (~20% of time) on the most architecturally critical areas • Participate in our on-call rotation, available at all times while on-call to help respond to and triage any issues that arise Box lives its values, with community and in-person collaboration being a core part of our culture. Boxers are expected to work from their assigned office a minimum of 3 days per week, with a focus on Tuesdays, Wednesdays and Thursdays. Your Recruiter will share more about how we work and company culture during the hiring process. Equal Opportunity We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, disability, and any other protected ground of discrimination under applicable human rights legislation. For details on how we protect your information when you apply, please see our Personnel Privacy Notice. For more details on how Box Poland protects your information, please see our Supplemental Personnel and Candidate Privacy Notice. #LI-EMEA #LI-RB1 #LI-HYBRID