Principal Software Engineer

About the role

Role Description As a Principal Engineer at Dropbox, you will own company critical, loosely defined technical problems with multi year impact, operating at the intersection of technology, product, business strategy, and applied AI. You will define long term technical direction for customer facing experiences used by millions, identifying where AI meaningfully improves customer value and translating evolving business context and industry advances into durable, multi area strategies and roadmaps that shape how Dropbox builds, scales, and innovates, while remaining hands on in software developmen

Requirements

• Advanced degree in Computer Science or a related technical field involving substantial software development, or equivalent industry experience demonstrating deep technical mastery.
• 15+ years of experience designing, building, and evolving large scale software systems with sustained impact across multiple teams or organizations.
• Demonstrated success operating at a Principal level , owning company critical technical problems and influencing long term technical direction.
• Strong experience building consumer facing products at scale, with a deep understanding of user experience, performance, reliability, and operational excellence.
• Broad and deep technical expertise across multiple domains, including several of frontend, mobile, search, databases, storage systems, concurrency, and distributed systems.
• Practical experience applying modern ML, LLM based APIs, and agentic frameworks in production systems, with sound judgment around quality, cost, and risk.
• Ability to communicate complex technical concepts clearly and persuasively to senior engineering, product, and executive audiences.
• Experience defining and scaling company wide platforms or architectural standards that are adopted across multiple organizations.