At Dropbox, engineers build the technology that enables seamless collaboration for hundreds of millions of users around the world. The Staff Backend Software Engineer – Core Sync role focuses on improving the reliability, scalability, and performance of Dropbox’s core synchronization system.

In this position, you will work closely with product managers, engineering leaders, and cross-functional teams to design and deliver technical solutions that enhance Dropbox’s file syncing capabilities and overall user experience.

Key Responsibilities

• Design and implement scalable backend systems used by millions of users
  
  
• Lead technical initiatives to improve performance and reliability of the sync platform
  
  
• Collaborate with product, design, and engineering teams to deliver impactful solutions
  
  
• Balance short-term product improvements with long-term architectural strategies
  
  
• Review system designs and code while mentoring other engineers
  
  
• Contribute to engineering standards and best practices across the organization
  
  
• Participate in technical discussions, hiring processes, and knowledge sharing across teams
  
  
• Take part in on-call rotations when required
  
  

Requirements

• 12+ years of software engineering experience working on large-scale systems
  
  
• Bachelor’s degree in Computer Science or a related technical field (or equivalent experience)
  
  
• Proven experience building complex software products used by large user bases
  
  
• Strong knowledge of distributed systems, file systems, or operating system internals
  
  
• Excellent communication and collaboration skills
  
  
• Ability to manage both short-term execution and long-term technical strategy
  
  

Preferred Qualifications

• Advanced programming experience in Rust or C++
  
  
• Strong debugging and performance optimization skills
  
  
• Familiarity with databases, compilers, operating systems, or distributed storage systems
  
  
• Knowledge of Python or Go
  
  
• Experience building developer platforms or technical infrastructure
  
  

Compensation

• Salary Range (Canada): $200,600 – $271,400 CAD
  
  

This role offers the opportunity to influence the architecture of one of Dropbox’s most important systems and contribute to a platform used by millions of people worldwide.