Senior Staff Engineer: Lead Cross-Org, Scalable Systems

Whatnot seeks a Senior Staff Engineer to shape cross-org software that scales to millions of users. You will lead multi-team initiatives, establish architectural direction, and drive durable systems while mentoring engineers across the company.

You will operate with high autonomy, balance long-term health of platforms with short-term pragmatism, and collaborate closely with product and design to deliver impactful outcomes at consumer scale.