Staff Fullstack Software Engineer, Core Performance - Remote

Overview

As a Staff Software Engineer at Dropbox, you'll be the singular technical owner of application performance across the Core org — the part of Dropbox that owns every consumer-facing surface: web, iOS, Android, and desktop. This is one of the company's most visible, cross-cutting technical challenges. Your mandate is to make Dropbox feel fast on every surface our customers use. You'll operate at the intersection of measurement, engineering, and product impact, owning ambiguous problems that span the entire stack and translate directly into business outcomes for hundreds of millions of users.

In Short

• Drive performance improvement on the Dropbox web application as the first focus of the role.
• Lead the performance initiative across iOS, Android, and desktop.
• Take performance improvements end-to-end.
• Build and own measurement and regression-detection systems.
• Write production code regularly — primarily JavaScript and React.
• Set engineering standards for performance work across Core Engineering.
• Apply AI tooling to performance work.
• Influence cross-org roadmaps and architectural decisions.

Requirements

• BS, MS, or PhD in Computer Science or a related technical field.
• Minimum of 12 years of experience as a software engineer.
• Hands-on experience driving measurable performance improvements in production web applications.
• Experience using AI tooling to accelerate performance work.
• Production experience with modern backend services in Python or Go.
• Experience leading technical strategy on cross-cutting initiatives.
• Strong written and verbal communication skills.

Benefits

• Gain meaningful exposure to senior leadership.
• Build foundational systems that unlock future product capabilities.
• Grow into an org-level technical strategist.
• Help advance Dropbox's mission to create a more enlightened way of working.