Dropbox: Staff Fullstack Software Engineer, Core Performance

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Job Overview

Dropbox is seeking a Staff Fullstack Software Engineer to focus on the performance of their consumer-facing platforms, including web, iOS, Android, and desktop applications. This role is pivotal in ensuring that Dropbox feels quick and efficient for its users. The engineer will be the sole technical owner for performance across the Core organization, tackling complex challenges that impact millions of users worldwide.

Role Responsibilities

The selected candidate will take charge of performance enhancements primarily on the web application first, conducting thorough analysis and measurements. Responsibilities include:

  • Profiling high-traffic React surfaces to identify performance bottlenecks.
  • Producing detailed flame graphs and heat maps to highlight areas for improvement.
  • Leading efforts to expand performance improvements across iOS, Android, and desktop platforms.
  • Coordinating strategies with internal experts to ensure a comprehensive approach to performance.
  • Building and maintaining measurement tools and regression-detection systems that other Core Engineering teams will depend on for efficient performance.
  • Writing production-ready code primarily in JavaScript and React, alongside backend work utilizing Python and Go.
  • Establishing engineering standards for performance work and guiding less experienced engineers on techniques for profiling and performance-aware design.
  • Leveraging AI tools in performance optimization and elevating engineering workflows across the team.
  • Influencing roadmaps and architectural decisions within the organization by collaborating with various stakeholders.

Requirements

Candidates looking to apply must possess:

  • A BS, MS, or PhD in Computer Science or a related field, or equivalent technical experience.
  • At least 12 years of experience in software engineering, with 3 or more years in a senior role.
  • Proven experience in driving measurable performance improvements within production web applications, specifically working on JavaScript and React surfaces.
  • Hands-on experience applying AI tools in performance enhancement tasks, including profiling and fixing issues.
  • Experience optimizing engineering workflows and improving productivity through AI assistance.
  • Strong leadership skills and experience in technical strategy for cross-functional initiatives.

Preferred Qualifications

While not mandatory, the following skills are desirable for applicants:

  • Experience with native iOS and Android applications, including performance metrics like startup and scroll speed.
  • Familiarity with performance regression detection systems in CI/CD environments.
  • A track record of mentoring senior engineers and driving up the technical bar within the teams.

Compensation

The salary for this position varies depending on the zone:

  • US Zone 1: $248,200—$335,800 USD
  • US Zone 2: $223,400—$302,200 USD
  • US Zone 3: $198,600—$268,600 USD

Work Environment

The position is remote-friendly, allowing the employee to work from anywhere in the world. Dropbox emphasizes the importance of maintaining a balance of on-call responsibilities, where engineers may need to be available during core and non-core business hours as part of their duties.

Impact

This role provides an excellent opportunity for an engineer looking to influence performance standards across the entire company. The engineer can expect significant exposure to senior leadership while playing a key role in shaping how Dropbox approaches performance metrics now and in the future, ultimately enhancing the experience for millions of users.

In conclusion, the Staff Fullstack Software Engineer role at Dropbox offers the chance to take ownership of an essential aspect of their product while advancing one's career in a significant and meaningful way in a collaborative and innovative environment.



This job offer was originally published on weworkremotely.com

Dropbox

Anywhere in the World

Software development

Full-time

July 22, 2026

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