Senior Fullstack Engineer – Metadata Platform

Box; Województwo mazowieckie; Hybrid; PLN 140,000 - 210,000; Full time

Job summary

Box Poland is seeking a Software Engineer III to join a collaborative team building the Box Intelligent Cloud. You will contribute to the metadata and content management platform, delivering scalable frontend and API-enabled solutions.

You will work with JavaScript/TypeScript, React, Node.js, and REST/graph APIs, while maintaining quality, security, and documentation. Expect cross-functional collaboration and an on-call rotation as needed.

Qualifications

• 3+ years of professional software development.
• Expertise in JavaScript/TypeScript with a modern frontend framework (e.g., React).
• Strong HTML/CSS knowledge with responsive UIs; knowledge of state, accessibility, performance, security.

Responsibilities

• Develop high-quality, scalable software using modern technologies.
• Write clean, maintainable code following best practices.
• Collaborate with cross-functional teams to onboard and align on priorities.

Skills

Three+ years experience

JavaScript/TypeScript

React

HTML/CSS

Node.js

APIs & System design

English communication

Tools

Jira

Confluence

GitHub Enterprise

GIT

Job description

Box Poland is seeking a Software Engineer III to join a collaborative team building the Box Intelligent Cloud. You will contribute to the metadata and content management platform, delivering scalable frontend and API-enabled solutions.

You will work with JavaScript/TypeScript, React, Node.js, and REST/graph APIs, while maintaining quality, security, and documentation. Expect cross-functional collaboration and an on-call rotation as needed.