Principal Release Engineer: AI-Powered Delivery Platform

Socket.dev; Dublin; On-site; EUR 230,000 - 367,000; Full time

Job summary

HubSpot is seeking a Principal Software Engineer to define the technical future of release engineering at scale, combining large-scale distributed systems with agentic AI capabilities.

You will stay hands-on, lead end-to-end initiatives, and influence the roadmap across build, test, and deploy pipelines, while mentoring teams and shaping platform evolution.

This role accelerates thousands of engineers shipping better software through AI-native delivery and scalable infrastructure.

Qualifications

• Extensive experience building and evolving large-scale distributed systems, especially CI/CD and release engineering.
• Strong architectural instincts for simple, scalable platform design.
• Experience operating at hyperscaler or platform-provider scale.
• Proven track record delivering cross-team technical initiatives with company-wide impact.
• Hands-on leader who builds, debugs, reviews, and ships.
• Ability to learn new domains quickly and guide long-term decisions.

Responsibilities

• Own the future of HubSpot's release engineering platform.
• Shape architecture across pipeline design, test infra, deployment orchestration, and developer ergonomics.
• Lead cross-team technical initiatives end-to-end with measurable impact.
• Design and implement AI-powered QA agents that run on every deploy to reduce risk.

Skills

Distributed systems

CI/CD

Build infrastructure

Release engineering

Hyperscaler scale

Platform engineering

Hands-on leadership

First principles thinking

Job description

HubSpot is seeking a Principal Software Engineer to define the technical future of release engineering at scale, combining large-scale distributed systems with agentic AI capabilities.

You will stay hands-on, lead end-to-end initiatives, and influence the roadmap across build, test, and deploy pipelines, while mentoring teams and shaping platform evolution.

This role accelerates thousands of engineers shipping better software through AI-native delivery and scalable infrastructure.