Location
logroño, la rioja, Spain
Posted
June 02, 2026
Job Description
Mission:
Transform Nextcloud Office into a high-performance, modern web-based productivity suite, going beyond traditional DOM-driven applications. You will own the look and feel of the product, ensuring that even the most complex documents and spreadsheets remain fast, smooth, and responsive under heavy load.
Responsibilities:
- Build new frontend features such as advanced charts, conditional formatting, and interactive document elements
- Ensure a smooth 60fps experience across all user interactions (scrolling, typing, zooming)
- Move performance-critical rendering logic from the DOM to Canvas or hardware-accelerated technologies
- Refactor legacy styles into a modern, performance-optimized CSS system based on variables (supporting dark mode and high-contrast themes)
- Implement responsive UI patterns such as optimistic UI to improve perceived performance
- Collaborate with other teams to op...