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Senior Frontend Developer (React)
New
JavaScript

Senior Frontend Developer (React)

Warszawa
8 292 - 10 227 USD/monthGross per month - Permanent
8 292 - 10 227 USD/monthGross per month - Permanent
Type of work
Full-time
Experience
Senior
Employment Type
Permanent
Operating mode
Hybrid
Box

Box

Box is the market leader for Cloud Content Management. Our mission is to power how the world works together. Today, Box powers over 100,000 businesses, including 70% of the Fortune 500 who trust Box to manage their content in the cloud.

Tech stack

    English

    B2

    JavaScript

    advanced

    TypeScript

    advanced

    React

    advanced

    Node.js

    junior

Job description

Online interview

WHAT IS BOX? 

Box is the world’s leading Content Cloud. We are trusted by more than 115K organizations around the world today, including nearly 70% of the Fortune 500 and leaders across deeply regulated industries (such as AstraZeneca, JLL, and Nationwide), to protect their data, fuel collaboration, and power critical workflows with secure, 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. 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.

Founded in 2005, Box is headquartered in Redwood City, CA, and we have offices across the United States, Europe, and Asia.


WHY BOX NEEDS YOU? 

At Box, our mission is to power how the world works together. To build world-class, enterprise-grade products, we need internal tools and frameworks that ensure every team can move quickly without sacrificing security, compliance, or user experience. That’s where the Launchpad team comes in.

Launchpad is part of Box’s Experience Platform organization and owns the foundational front-end infrastructure used by dozens of product teams across the company. From design systems, to internationalization frameworks, to frontend instrumentation and developer tooling – we make it possible for teams to build great products faster, with quality and compliance built in.

We're looking for an experienced engineer who’s excited to solve complex technical problems at scale, contribute to internal tools used across the company, and shape the front-end developer experience at Box.


WHAT YOU'LL DO? 

  • Build and evolve Blueprint, Box’s design system, by delivering robust, reusable, and accessible UI components and tooling.

  • Develop and maintain Moji, our internal internationalization and localization framework, ensuring Box products are globally ready and FedRAMP compliant.

  • Contribute to internal instrumentation frameworks, including product usage analytics integration and frontend performance metrics.

  • Participate in the development of automation and developer tooling (e.g., pipelines, usage tracking, testing infrastructure) to help product teams adopt Launchpad solutions efficiently.

  • Collaborate closely with other engineers, designers, and product managers to align cross-functional needs and deliver reusable infrastructure that scales across Box.

  • Take full ownership of components, frameworks, or subdomains, from architecture to implementation and long-term maintenance.

  • Influence the direction of frontend architecture and tooling at Box and advocate for best practices in performance, accessibility, and testing.


WHO YOU ARE: 

  • You have 6+ years of experience as a professional software engineer, with a strong focus on front-end technologies.

  • You are proficient in TypeScript, JavaScript, and have hands-on experience building applications or libraries using React (or similar frameworks).

  • You have experience developing or maintaining design systems, UI component libraries, or front-end frameworks used by multiple teams.

  • You care deeply about developer experience, and enjoy building internal tools, automation, and infrastructure that make others more productive.

  • You’re comfortable working across the stack when needed (e.g., Jenkins pipelines, simple Node.js scripting, testing/validation automation).

  • You have a strong system-thinking mindset – you think beyond features and consider maintainability, scalability, and long-term impact.

  • You’re a clear communicator and thrive in a highly collaborative environment.

  • You enjoy working across teams, aligning stakeholders, and finding shared solutions.

  • Experience working in mid-to-large scale tech organizations is a strong plus.

  • Bonus: You care about accessibility, localization, performance, and testing – and see them as integral to great engineering.


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 2 days per week, with a focus on Tuesdays 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

8 292 - 10 227 USD/month

Gross per month - Permanent