Senior Architect, Core Experiences @ Box Inc.

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. 12+ years of professional software development experience, with a strong frontend focus. Deep experience with React (React Native a strong plus), TypeScript, and modern JavaScript frameworks. Experience working with or migrating large codebases into modern, component-based architectures. Proven ability to design and ship enterprise-grade products at scale. Experience driving cross-functional technical direction and aligning stakeholders around architecture decisions. Passionate about mentoring and building a strong engineering culture. BS/MS/PhD in Computer Science, Engineering, or equivalent experience. Comfortable working in hybrid environments; able to travel to the U.S. at least twice a year for team off-sites WHAT YOU’LL TACKLE IN THE FIRST 6–12 MONTHS Re-architect a large frontend codebase into a scalable, React Native-first foundation. Help define how we build products moving forward — including tooling, workflows, and architectural patterns. Set up frameworks for cross-functional collaboration between backend, frontend, and mobile engineers. Balance rapid delivery with long-term technical investments. Ensure Box's frontend architecture can scale with enterprise-grade performance, accessibility, and maintainability. **Our compensation structure is the base salary and equity in the form of restricted stock units. WHAT IS BOX?  Box (NYSE:BOX) is the leader in Intelligent Content Management. Our platform enables organizations to fuel collaboration, manage the entire content lifecycle, secure critical content, and transform business workflows with enterprise AI. We help companies thrive in the new AI-first era of business. Founded in 2005, Box simplifies work for leading global organizations, including AstraZeneca, JLL, Morgan Stanley, and Nationwide. Box is headquartered in Redwood City, CA, with offices across the United States, Europe, and Asia. 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. Why Box Needs You We’re looking for a Senior Staff Software Engineer to lead a critical modernization effort in one of Box’s core product areas. This is a frontend expert role, with a deep knowledge of React.js framework, combined with keen interest in React Native. You’ll play a pivotal role in re-architecting our large-scale codebase, while shaping the technical foundation for how we build cross-platform, enterprise-grade products going forward. In this role, you’ll define the next generation of how Box builds mobile-first, secure, and scalable user experiences. You’ll partner closely with Engineering, Product, and Design leadership across Box to drive architectural decisions and ship elegant solutions that meet the high bar expected of Box’s enterprise platform. 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. ,[Lead the technical direction of a large-scale, multi-year React Native migration, transforming legacy systems into a modern, maintainable stack., Design and implement high-impact features that serve enterprise customers with complex use cases and security needs., Define standards and architecture for building frontend-heavy, cross-platform experiences across mobile and web., Partner closely with cross-functional teams (Product, Design, Security, and Engineering) to ensure architectural choices balance velocity, scalability, and user experience., Ship code Be hands-on in prototyping and contributing production-grade solutions., You will be a Technical Lead for Senior and Staff Engineers in our Warsaw office. Provide mentorship to senior engineers and help grow technical leadership within the team., Participate in and lead technical architecture working groups to drive alignment across engineering teams., Act as a technical thought leader within Box Poland and a key collaborator with global partners.] Requirements: JavaScript, React, TypeScript, React native Additionally: Sport subscription, Training budget, Private healthcare, Flat structure, Lunch card, Small teams, International projects, Free coffee, Free breakfast, Canteen, Playroom, Shower, Free snacks, Free beverages, Bike parking, Free lunch, In-house trainings, In-house hack days, Modern office, Startup atmosphere, No dress code.