Principal Software Engineer - Data Infrastructure

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.

What You'll Be Doing

• Write production code regularly and lead complex initiatives from idea to rollout.
• Build internal frameworks, APIs, and platform capabilities that make HubSpot’s data stores easier to adopt, extend, and evolve.
• Turn ambiguous infrastructure problems into simple, scalable systems and clear technical direction.

Perks and Benefits

• We know the confidence gap and impostor syndrome can get in the way of meeting spectacular candidates, so please don’t hesitate to apply — we’d love to hear from you.