Principal Software Engineer - Data Infrastructure

The Principal Software Engineer - Data Infrastructure role at HubSpot involves shaping the technical future of data infrastructure and owning the architecture and evolution of the foundational data systems behind HubSpot's products. The successful candidate will drive architectural decisions across storage, access patterns, scaling models, tenancy, performance, and developer ergonomics. They will be responsible for building internal frameworks, APIs, and platform capabilities that make HubSpot's data stores easier to adopt, extend, and evolve.

Requirements

• Deep experience building and evolving large-scale distributed systems, especially storage systems, data infrastructure, or foundational backend platforms.
• Strong architectural instincts with a bias toward simplicity, consistency, clear boundaries, and long-term platform leverage.
• A track record of owning and delivering complex, cross-team technical initiatives with product-line or company-level impact.
• Comfort working across multiple layers of the stack, from storage engines and data flows to APIs, internal frameworks, and developer experience.
• A hands-on mindset. You lead by building, debugging, reviewing, and shipping, not by staying removed from the systems you influence.
• The ability to move into unfamiliar technical territory quickly, form strong opinions grounded in first principles, and help teams make better long-term decisions.

Benefits

• 401k Matching
• Generous Paid Time Off
• Retirement Plan
• Tuition Reimbursement
• Visa Sponsorship
• Four Day Work Week