Staff Software Engineer, React Native

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 Mobile Engineer to join our Mobile team in Warsaw and help shape the future of Box’s mobile platform. Mobile is a high-visibility surface used by millions of Box customers, and this role will have significant impact on how we build and scale our mobile ecosystem over the coming years. Our mission is to deliver a world-class mobile experience that evolves in lockstep with our web product. As part of that journey, we’re investing in React Native as an important part of our long-term cross-platform strategy - while continuing to support and evolve our native mobile foundations.

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 with a strong focus on mobile development
• Deep experience building and scaling mobile products on iOS and/or Android, with strong understanding of mobile architecture and platform fundamentals
• Experience with cross-platform technologies such as React Native, either through hands-on delivery, platform initiatives, migrations, or collaboration with cross-platform teams
• Strong understanding of mobile engineering best practices around architecture, performance, testability, maintainability, and scalability
• Experience driving technical initiatives and influencing architecture in complex engineering organisations
• Excellent cross-functional collaboration and communication skills — you know how to partner effectively with Product, Design, Platform, and Engineering teams
• Experience mentoring engineers and elevating team capabilities
• Fluent English communication skills

Bonus points for

• Experience contributing to or leading platform modernisation or architectural transformations
• Hands-on experience with React Native migrations or introducing cross-platform solutions into existing native environments
• Familiarity with web technologies (React) and how they intersect with the mobile ecosystem
• Experience working on consumer or enterprise mobile products at scale
• Strong ownership mindset and passion for building high-quality products and teams

What you'll do?

• Define and influence the technical direction of Box’s mobile platform across iOS, Android, and cross-platform initiatives
• Help shape the evolution of our React Native strategy and identify where cross-platform approaches provide the greatest value
• Coach and mentor engineers, raising the bar across mobile engineering practices and architecture
• Collaborate and drive alignment across mobile, web, platform, product, and design teams
• Model strong engineering practices around architectural design, scalability, quality, and maintainability
• Partner with Engineering Managers, Product Managers, and stakeholders to shape the long-term mobile roadmap
• Contribute hands-on code (~50% of time), focusing on technically complex and high-impact areas
• Participate in weekly stand-ups, team meetings, and manager 1:1s
• Participate in our on-call rotation and help respond to production issues when on-call

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.

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