Principal Software Engineer - Monetization Platform Lead

HubSpot in Ireland is seeking a Principal Software Engineer to help architect, build, and influence the evolution of HubSpot's monetization model and strategy - and to do it incrementally, on a system that is live and load-bearing every day.

This is a hands-on role (70-80% coding) with design reviews, architecture ownership, and cross-functional collaboration across Adaptive Monetization and the broader fintech engineering org; you will mentor engineers and drive reliability while navigating a