About the Position

Senior Software Engineer, Desktop

Location: Warsaw, Poland

Department: Engineering

About the Role

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. 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.

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.

Responsibilities

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 secure
Work 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 scale
Contribute to cross-platform development using React Native, bridging front-end and native desktop experiences
Collaborate daily with Product Managers, QA engineers, and designers to translate requirements into robust, well-tested software
Lead and participate in design discussions, architecture reviews, and code reviews to uphold engineering quality and share knowledge across the team
Diagnose and resolve complex performance, reliability, and compatibility issues affecting millions of end users
Attend and engage in weekly stand-ups, team meetings, and manager 1:1s
Work collaboratively with other engineers, team members, and across teams
Play a role in developing and fostering Box culture in the Warsaw office and represent Box Poland internally and externally
Participate in our on-call rotation, available at all times while on-call to help respond to and triage any issues that arise

Requirements

5+ years of professional desktop software development experience
Proficient in C++, C#, and/or Swift, with a strong command of software design and architecture principles
Demonstrated experience building and shipping desktop applications on Windows and/or macOS
Comfortable working across the full desktop stack: virtual file systems, OS integrations, networking, sync, and UI
Experienced with unit testing and functional testing practices in an agile team environment
Passionate about building software that is user-friendly, performant, and secure
Strong problem-solving skills with the ability to diagnose and resolve complex technical issues
Able to assess, communicate, and complete project milestones with your manager and team members in a time-sensitive manner
Must speak English proficiently

Nice to Have

Experience with Windows systems-level programming (Win32 APIs, multi-threading, IPC, COM)
Cross-platform development experience across both macOS and Windows
Familiarity with React Native for desktop or cross-platform UI development
Prior experience using AI coding tools (e.g., GitHub Copilot, Cursor) as part of your daily workflow

We Offer

Competitive salary
Flexible time off, birthday holidays, VTO, and a sabbatical after seven years
Growth opportunities through learning programs and clear career paths
Global, inclusive benefits including mental health, wellbeing, and family support
Paid parental leave and fertility and family-forming benefits
Fresh Air Days and a monthly wellness subsidy for fitness
Community involvement through employee-led resource groups, interest groups, global events, and paid volunteer time off

About the Company

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.

Senior Software Engineer, Desktop

Job description