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Mid Java Engineer

Boxinc

Warsaw, Poland (Warsaw Office) Remote permanent

Posted: April 7, 2026

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Quick Summary

Mid Java Engineer is a crucial role in developing and maintaining the platform to fuel collaboration, secure critical content, and transform business workflows.

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.

Why Box needs you:

We’re looking for Java Developers to join our E-Commerce Platform team, building the backend systems that power how customers purchase and manage their Box subscriptions.

This is a high-impact area, directly supporting a significant portion of Box’s revenue - where scalability, performance, and reliability are critical. In this role, you’ll design and develop high-scale Java services that enable seamless self-service experiences and support Box’s global expansion.

Current focus areas include:

• Modernizing our tech stack to boost performance and developer productivity

• Enhancing pricing and discount systems

• Expanding backend capabilities to drive new recurring revenue

If you’re a Java Developer who wants to work on revenue-critical systems at scale, this is your opportunity.

Responsibilities:

• Develop high-quality, scalable, and responsive software using modern technologies

• Write clean, efficient, and maintainable code using industry best practices

• Work effectively with Designers, Product Managers and cross-functional global teams to deliver high-quality software and seamless user experience

• Participate in code reviews and provide constructive feedback to ensure code quality and improve team efficiency

• Troubleshoot and debug software defects to ensure smooth functionality

• Collaborate effectively in an Agile development environment, participating in sprint planning, stand-ups, and retrospectives

• Participate 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:

• 4+ years of professional software development experience in Java applying industry standards in software design, testing, and code review practices

• Hands-on experience building highly scalable distributed systems

• Enthusiasm for applied AI, including willingness to experiment with AI agents, tools, prompt engineering, and model integrations in product development

• Strong understanding of scalability and observability practices

• Ownership mindset with a commitment to delivering high-quality work, both technically and in team interactions

• Deep understanding of algorithms, data structures, and software design

• Demonstrable experience guiding and mentoring high-performing engineering teams

• Experience leading cross-functional projects

• Proficient knowledge of software design principles

• Solid experience with automated testing principles and frameworks

• Professional proficiency in English

Preferred Skills:

• Prior experience in the e-commerce domain

• Experience working with distributed teams in different time zones

• Prior experience with PHP

Percentage of time spent:

• 40% coding

• 25% technical investigation

• 10% documentation

• 10% developer support and mentoring

• 15% meetings

Methodology:

• Agile management - Scrum

• Issue tracking tool - Jira

• Knowledge repository - Confluence

• Version control system & Code reviews - GitHubEntreprise

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, 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.

#LI-EMEA #LI-NP1

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