MisuJob - AI Job Search Platform MisuJob

Senior Software Engineer, Fullstack

Boxinc

Warsaw, Poland (Warsaw Office) Hybrid permanent

Posted: April 3, 2026

Interested in this position?

Create a free account to apply with AI-powered matching

Quick Summary

Senior Software Engineer, Fullstack

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:

The Content Creation team owns Notes and Canvas products of Box's platform. The functionality that this team builds is used by our largest cohorts of users (versus just admin users). They are the only true real-time service at Box, using web sockets to deliver a real-time editing product. It's a complex problem space that we are experts in, and it's a great team to join if you want to contribute to creating one of the most vital Box products. The team is mostly developing Front-End with React.js, for Back-End tasks they use mostly Node.js.

Responsibilities:


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


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


Partner with cross-functional teams to onboard, share knowledge, and align on current responsibilities and priorities


Participate in regular team meetings and manager 1:1s to ensure alignment, growth, and continuous improvement


Create clear technical documentation, reusable patterns, and examples to scale knowledge across engineering teams


Leverage AI tools (e.g., Claude, Cursor) to accelerate development, research, documentation, and bug triage while maintaining high standards of quality and security


Represent and advocate for Box Poland’s engineering excellence both internally and externally


Maintain and support one or more legacy codebases


Contribute to defining and implementing engineering standards across product teams


Participate in our on-call rotation, available at all times while on-call to help respond to and triage any issues that arise.

Requirements:


6+ years of professional software development experience.


Strong coding skills with demonstrated proficiency in Node.js for backend.


Deep expertise in JavaScript/TypeScript, HTML/CSS, and at least one modern frontend framework (e.g., React); strong understanding of state management, accessibility, performance, and security basics.


Experience designing and implementing APIs and services; solid grasp of system design and data modeling.


Proven ability to design, build, and deploy high-quality software.


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


Passionate about new technologies with the capability to implement them in existing products.


Demonstrates ownership mentality and strives for excellence in both technical work and team interactions.


Proficient in English.

Nice to have:


Experience with Google Cloud Platform and/or Amazon Web Services.


Experience with Web sockets and real-time applications


Experience contributing to cross-platform solutions as part of a team

At Box, we believe that providing the best tools leads to the best outcomes. That's why we equip our engineers with AI-powered development tools like Cursor IDE and GitHub Copilot to help you write better code faster.

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.

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-VM1 LI-HYBRID

Why Apply Through MisuJob?

AI-Powered Job Matching: MisuJob uses advanced artificial intelligence to analyze your skills, experience, and career goals. Our matching algorithm compares your profile against thousands of job requirements to find positions where you have the highest chance of success. This saves you hours of manual job searching and ensures you only see relevant opportunities.

One-Click Applications: Once you create your profile, applying to jobs is effortless. Your resume and cover letter are automatically tailored to highlight the most relevant experience for each position. You can apply to multiple jobs in minutes, not hours.

Career Intelligence: Beyond job matching, MisuJob provides valuable career insights. See how your skills compare to market demands, identify skill gaps to address, and understand salary benchmarks for your experience level. Make data-driven decisions about your career path.

Frequently Asked Questions

How do I apply for this position?

Click the "Register to Apply" button above to create a free MisuJob account. Once registered, you can apply with one click and track your application status in your dashboard.

Is MisuJob free for job seekers?

Yes, MisuJob is completely free for job seekers. Create your profile, get matched with jobs, and apply without any cost. We help you find your dream job without any hidden fees.

How does AI matching work?

Our AI analyzes your resume, skills, and experience to understand your professional profile. It then compares this against job requirements using natural language processing to calculate a match percentage. Higher matches mean better fit for the role.

Can I apply to jobs in other countries?

Absolutely. MisuJob features jobs from companies worldwide, including remote positions. Filter by location or look for remote opportunities to find jobs that match your preferences.

Ready to Apply?

Join thousands of job seekers using MisuJob's AI to find and apply to their dream jobs automatically.

Register to Apply