Senior Software Engineer, Desktop

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 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: As a Senior Software Engineer on the Desktop Applications team at Box, you'll be at the heart of building and evolving the products that millions of users rely on every day - Box Drive, Box Tools, and Box for Office on both Windows and macOS. You'll work across the full depth of the desktop stack, from virtual file systems and OS integrations to sync, networking, and UI, helping shape how enterprise content comes to life on the desktop. You'll collaborate closely with Product Managers, QA engineers, and designers to deliver features that are fast, reliable, and secure - and you'll bring a growth mindset and a passion for leveraging AI tools to accelerate your impact. What you'll do: Design, develop, and ship high-quality features for Box's desktop applications (Box Drive, Box Tools, Box for Office) on Windows and macOS, ensuring they are performant, user-friendly, and secureWork across the full desktop stack — including virtual file systems, data persistence, OS integrations, network and sync layers, and UI — to solve complex technical challenges at scaleContribute to cross-platform development using React Native, bridging front-end and native desktop experiencesCollaborate daily with Product Managers, QA engineers, and designers to translate requirements into robust, well-tested softwareLead and participate in design discussions, architecture reviews, and code reviews to uphold engineering quality and share knowledge across the teamDiagnose and resolve complex performance, reliability, and compatibility issues affecting millions of end usersAttend and engage in weekly stand-ups, team meetings, and manager 1:1sWork collaboratively with other engineers, team members, and across teamsPlay a role in developing and fostering Box culture in the Warsaw office and represent Box Poland internally and externallyParticipate in our on-call rotation, available at all times while on-call to help respond to and triage any issues that arise 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. 5+ years of professional desktop software development experienceProficient in C++, C#, and/or Swift, with a strong command of software design and architecture principlesDemonstrated experience building and shipping desktop applications on Windows and/or macOSComfortable working across the full desktop stack: virtual file systems, OS integrations, networking, sync, and UIExperienced with unit testing and functional testing practices in an agile team environmentPassionate about building software that is user-friendly, performant, and secureStrong problem-solving skills with the ability to diagnose and resolve complex technical issuesAble to assess, communicate, and complete project milestones with your manager and team members in a time-sensitive mannerMust speak English proficiently Preferred Skills: Experience with Windows systems-level programming (Win32 APIs, multi-threading, IPC, COM)Cross-platform development experience across both macOS and WindowsFamiliarity with React Native for desktop or cross-platform UI developmentPrior experience using AI coding tools (e.g., GitHub Copilot, Cursor) as part of your daily workflow Percentage of Time Spent: 15% design and architecture60% coding, code reviews, and testing15% bug fixes5% documentation5% meetings Methodology: Agile management — ScrumIssue tracking — JiraKnowledge repository — Box / Confluence / GitHub EnterpriseCode reviews — GitHub EnterpriseVersion control — GITCI/CD — JenkinsCommunication — Slack / Zoom Benefits Check out the overview of Life at Box which include general perks and benefits. 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. Your Recruiter will share more about how we work and company culture during the hiring process. At Box, we believe unique and diverse experiences benefit our culture, our products, our customers, our company, and our world. We aim to recruit a passionate, high-performing workforce that reflects the world we live in. If you are head-over-heels about this role but unsure if you meet all the requirements, we encourage you to apply! 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.