Principal Engineer, AI-Powered Release Platform

HubSpot

United States

Remote

USD 266,000 - 426,000

Full time

14 days+

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Job summary

HubSpot in the Developer Acceleration group seeks a Principal Software Engineer to shape the AI-enabled release engineering landscape at scale. You will stay close to the code, lead high-impact initiatives end-to-end, and influence technical direction beyond a single team—moving between infrastructure architecture, agentic AI systems, and large-scale delivery pipeline design.

At HubSpot, you will be a hands-on builder who helps define the next generation of our delivery platform while

Qualifications

Extensive experience building and evolving large-scale distributed systems, especially in CI/CD and release engineering.
Strong architectural instincts favoring simplicity, clarity, and platform leverage.
Experience operating at hyperscaler or platform-provider scale.
Proven track record delivering cross-team technical initiatives with company-wide impact.
Hands-on mindset: build, debug, review, and ship.

Responsibilities

Own the future of HubSpot’s release engineering platform and shape its technical direction.
Drive architectural decisions across pipeline design, test infrastructure, deployment orchestration, and developer ergonomics.
Write production code regularly and lead complex initiatives from idea to rollout.
Design & implement AI-powered QA agents that run on every deploy to reduce risk.