This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Principal/Lead Software Engineer based in the United States. Join a high-impact engineering team where you'll shape the technical direction of innovative software products while leading a talented, globally distributed group of developers. This role combines hands-on software engineering with strategic technical leadership, giving you the opportunity to influence architecture, mentor engineers, and deliver scalable solutions that support business growth. You'll work across the full technology stack, collaborate closely with product and engineering leadership, and help establish best practices that enhance software quality, security, and operational efficiency. Ideal for an experienced engineer who thrives in fast-paced environments, this position offers significant autonomy, meaningful ownership, and excellent opportunities for professional growth.