The Principal Software Engineer will lead technical initiatives, define architecture, prototype ideas, and foster an innovative engineering culture, working cross-functionally to turn visions into execution.
Role Description
We’re looking for a Principal Software Engineer to shape the future of Dropbox through bold new ideas and technical leadership. You’ll help define the vision, architecture, and execution for our most forward-looking products — building the foundation for what comes next at Dropbox.
This role sits at the heart of innovation, blending hands-on engineering with strategic thinking. You’ll explore new product spaces, prototype ideas that don’t yet have a home, and guide how we integrate new technologies — whether we build them or bring them in. Along the way, you’ll help foster a strong, collaborative engineering culture and partner closely with product, design, and strategy to turn high-potential ideas into real impact.
Responsibilities- Build and foster a strong engineering culture focused on excellence, velocity, and innovation
- Define the architecture and integration strategy for new initiatives, including both internally developed and acquired products
- Conduct technical due diligence on potential M&A targets to assess scalability, quality, and strategic fit
- Rapidly prototype new product ideas and validate emerging opportunities that fall outside existing teams
- Partner cross-functionally with product, design, and strategy teams to translate vision into technical execution
- Maintain a high technical bar and guide the team through complex architectural decisions
- Contribute to shaping Dropbox’s long-term innovation roadmap through technical insight and experimentation
- 10+ years of full-stack engineering experience, including 3+ years in a technical leadership role
- Proven success operating at both startup and enterprise scale—building early MVPs and scaling to millions of users
- Deep understanding of product architecture evolution and trade-offs between speed and scalability
- Experience with technical diligence and evaluating software systems for integration or acquisition
- Some experience in engineering management preferred
- Strong bias toward experimentation and comfort navigating high-ambiguity problem spaces
- Experience leading 0→1 product development or founding early-stage startup teams
- Demonstrated success incubating and scaling new technologies or products within a larger organization
- Strong background in distributed systems design, data-intensive applications, or cloud infrastructure
- Familiarity with modern AI/ML technologies, developer platforms, or productivity tools
US Zone 1
This role is not available in Zone 1
US Zone 2
$248,600—$336,400 USD
US Zone 3
$221,000—$299,000 USD
Top Skills
AI
Cloud Infrastructure
Distributed Systems Design
Full-Stack Engineering
Ml
Similar Jobs at Dropbox
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
The Principal Software Engineer will lead the vision and execution for Developer Productivity, enhancing workflows and integrating AI tools to streamline software delivery across Dropbox's multi-product stack.
Top Skills:
AICi/CdDistributed SystemsLlms
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
As a Staff Software Engineer, you'll design and enhance Dropbox's core metadata infrastructure, lead technical strategies, and solve high-impact problems in distributed systems.
Top Skills:
C++Cloud EnvironmentsDistributed SystemsGoJavaPythonRustTransactional Databases
Artificial Intelligence • Cloud • Consumer Web • Productivity • Software • App development • Data Privacy
Lead the portfolio strategy for Dropbox's Teams & Collaboration experience, ensuring coherence and driving execution through influence and customer partnership.
Top Skills:
B2B SaasCollaborationCommunicationsProductivityWorkflow
What you need to know about the Toronto Tech Scene
Although home to some of the biggest names in tech, including Google, Microsoft and Amazon, Toronto has established itself as one of the largest startup ecosystems in the world. And with over 2,000 startups — more than 30 percent of the country's total startups — Toronto continues to attract new businesses. Be it helping entrepreneurs manage their finances, simplifying business operations by automating payroll or assisting pharmaceutical companies in launching new drugs, the city's tech scene is just getting started.

