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Software Engineer III, Desktop Experiences

Boxinc

Warsaw, Poland (Warsaw Office) Hybrid permanent

Posted: April 7, 2026

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Software Engineer III at Box, Warsaw, Poland

Job Description

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.

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.

WHY BOX NEEDS YOU?
We build applications that bring the power of Box's content platform to where users get their work done - on their Windows and MacOS devices. Our desktop applications help users access and collaborate on their documents from cloud with the familiarity of their local computer and local applications.
In this role, you will work on Box client applications - Box Drive, Box Tools and Box for Office and your impact will reach millions of users, who use Box desktop applications to get their work done on a daily basis. We are looking for a teammate, who will help us build delightful experiences for our users, and continuously improve our technical foundation.

WHAT YOU'LL DO?

• You’ll work alongside talented engineers in both our Warsaw office and Redwood City headquarters to design and develop new features that will enhance the user experience.

• You’ll collaborate with product managers, QA engineers, designers, cross functional teams, and customer-advocates to design, build, and ship end-to-end experiences for our users.

• You’ll have the opportunity to work across the stack of Box desktop applications, tackling a variety of challenges such as virtual file systems, data persistence, deep OS integrations, network communication, synchronization, and user interfaces.

• You’ll have the opportunity to build and improve cross-platform user experiences using React Native as part of Box’s desktop application ecosystem.

• You’ll have the opportunity to connect front-end experiences with underlying desktop application capabilities to support seamless end-to-end workflows.

• You’ll dive deep into the pain points that our users experience and help solve their problems, making real impact on the way they work.

• You’ll lead or participate in various design and planning discussions, helping to shape the future of our applications.

• You’ll have the opportunity to solve complex problems related to performance, handling large file systems with millions of objects, interprocess communication, and more.

• You’ll research and propose various design approaches and present corresponding pros and cons to your fellow engineers and management.

• Participate in on-call and incident response.

WHO YOU ARE:

• You are proficient in either C++, C# or Swift. Experience with React Native, Python or Objective-C is a plus.

• You have at least 3 years of experience developing applications in desktop environment.

• You have solid software design skills and can contribute to technical design discussions.

• You can make sound technical decisions within your area and contribute to maintainable system design.

• You are well-versed in modern unit-testing and functional-testing methodologies.

• You have a track record of collaborating successfully in small, high-velocity agile teams.

• You have a passion for building user-friendly, performant, and secure software that meets the needs of our users.

• You have excellent problem solving and debugging skills.

• You can communicate your ideas clearly and effectively, both verbally and in writing, in English.

• You gave a degree in Computer Science or equivalent experience.

Bonus:

• You have experience in Windows systems-level programming (e.g. Win32 APIs, multi-threading, Interprocess Communication or COM).

• Cross-platform development experience with both native Mac and Windows applications.

Percentage of Time Spent:

• 5% design

• 70% coding, code reviews, writing unit and integration tests

• 5% documentation

• 15% bug fixes and investigating production issues

• 5% meetings

Methodology and Tools:

• Agile management - Scrum

• Issue tracking tool - Jira

• Knowledge repository - Confluence, Box, GitHub Enterprise

• Code reviews - GitHub Enterprise

• Version control system - GIT

• Build server - Jenkins

• Messaging/meetings - Slack/Zoom

BENEFITS
Check out the overview of the benefits and additional perks offered at Box.

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.

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-OB1 #LI-hybrid

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