Principal Software Engineer

About this role

Principal Software Engineer

About Us:

At Fullbay, our mission is simple — to create safer roads for our families and yours. As leaders in the heavy-duty repair industry, we power shops with technology that helps them run smarter and more efficiently. As an AI-First company, we invite artificial intelligence to eliminate friction, spark innovation, and drive efficiencies in every conversation— for our teams and our customers.

Position Overview:

The Principal Software Engineer is a force-multiplier and technical leader who drives innovation, establishes best practices, and solves complex problems across Fullbay's SaaS platform helping independent mechanics manage their businesses. You'll combine exceptional technical depth with the breadth of experience needed to tackle any challenge—from architecting scalable distributed systems to mentoring engineers and influencing organizational strategy. This role requires someone who can quickly prototype solutions, deliver proof-of- concepts with new technologies, and turn big ideas into reality while maintaining production excellence.

You'll work as part of the Principal Engineers team—a unified group that coordinates cross-domain architectural decisions, establishes technical standards, and provides strategic guidance across the organization. While you'll be assigned to specific domain teams, your primary responsibility is organizational impact, not embedding in day-to-day execution.

What Sets You Apart

You're not just technically excellent—you're a teacher, mentor, and role model who helps elevate the team's capabilities. You have deep product knowledge and can effectively troubleshoot complex issues. When uncertain, you know how to debug systematically to get to the root cause. You're comfortable with greenfield projects and navigating ambiguity. You think strategically about long-term architecture while maintaining focus on delivering practical business value. You can communicate effectively with...