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Fullstack Engineer III, AI Studio

Boxinc

Warsaw, Poland (Warsaw Office) permanent

Posted: December 15, 2025

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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:

As a Fullstack Engineer III, you will be a part of the team developing and maintaining the Box AI Studio. You will be involved in architectural discussions, defining, and consulting technical initiatives related with feature development and refactor. You will also be responsible for implementation of end-to-end solutions. Technologies involved will be JavaScript/TypeScript (React 18) and Java (Spring Boot), experience with GraphQL will also be a big advantage. AI Studio is a new initiative at Box to meet high expectations of our users and let them customize their Box AI experience. Since all AI features are highly demanded and visible features of Box platform, we need your help in keeping their availability on 99.99% level. As a member of the team, you will closely collaborate with Engineers and Architects on creating and implementing decided solutions.

What you'll do:


You'll be a part of the team to build, improve and support Box AI Studio.


Get to work with cutting-edge technologies that are defining the future of the cloud.


Team up with other engineers to foster solid engineering principles and represent our engineering values.


Utilize both your technical and interpersonal skills to lead large scale projects to completion.


Collaborate, influence and drive for improvement across scrum teams.


Model solid engineering practices around architectural design, testability, scalability and maintainability.


Partner with product managers, designers and other cross-functional stakeholders to align on requirements and understand how your work will impact the business.


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:


3+ years of professional software development experience in Java and React.


Strong knowledge of algorithms, data structures, software design principles, and object-oriented programming.


Review and assess the technical feasibility of project requirements and propose innovative solutions.


Share knowledge with the team on best practices and coding standards, fostering a collaborative and growth-oriented team environment.


Actively engage in feedback processes, contribute to code reviews, and play a role in enhancing team processes and practices.


Must speak English proficiently.

Preferred skills:


Familiarity with GraphQL concepts, how it relates to REST. Experience with Apollo GraphQL is a big advantage.


Experience with public cloud systems such as GCP, AWS or Azure.

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.

Percentage of Time Spent:


55% coding


10% documentation


20% bug fixes


15% meetings

Methodology


Agile management - Scrum


Issue tracking tool - Jira


Knowledge repository - Confluence


Code reviews - GitHub Enterprise


Version control system - GIT

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

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