Principal Full-Stack Engineer

About the Role

Steer is looking for a Principal Engineer to lead the technical direction of a newly formed team building greenfield, high-impact products for the $200B auto repair industry. This is a pivotal role where you will architect, design, and ship agentic, customer-facing systems that redefine how small businesses operate.

You will set the technical vision, drive critical architectural decisions, and work closely with product and engineering leadership to shape Steer’s future. The products you build will reach millions of car owners and establish the foundation for the next generation of our platform.

If you are deeply product minded, thrive in fast-moving environments, and want to leave a lasting imprint on an entire industry, this role is for you.

What You’ll Do

• Own technical strategy and architecture - Define long-term architectural vision, establish engineering standards, and guide the evolution of Steer’s platform.
• Lead complex system design - Architect and build scalable, secure, and resilient systems that support new product lines and high-growth usage patterns.
• Drive execution across the stack - Work hands-on across backend, frontend, infrastructure, and data layers to deliver features end to end.
• Mentor and elevate the team - Provide technical leadership, support senior engineers, and help create an engineering culture focused on excellence and velocity.
• Shape product direction - Partner with product leaders to translate ideas into technical plans and ensure we are building high-impact, customer-facing solutions..
• Strengthen DevOps and reliability - Improve CI/CD, observability, performance, security, and deployment practices across the engineering organization.
• Champion quality and scalability - Set the bar for code quality, system reliability, testing, and operational health.

What You’ll Bring

Must-Have:

• 8+ years building and scaling production SaaS systems
• Demonstrated experience owning system architecture at a high-growth company
• Deep expertise with modern backend frameworks (C#/.NET strongly preferred; Node, Python, or Ruby also acceptable)
• Strong proficiency in a modern frontend framework (React preferred)
• Significant experience with cloud platforms (Azure, AWS, or GCP) and distributed systems
• Strong command of relational and NoSQL databases
• Track record of leading complex technical projects end to end
• Exceptional communication, leadership, and cross-functional collaboration skills
• Ability to balance speed, quality, and long-term architectural health

Nice-to-Have:

• Experience with Infrastructure as Code (Terraform, CloudFormation)
• Experience with Kubernetes or large-scale container orchestration
• Prior experience building agentic or AI-driven products
• Prior experience in small, fast-moving teams or early-stage environments

Our Tech Stack

React, .Net, Azure, MongoDB, AWS, GitHub, EventStore

What We Offer

• 100% remote work
• 100% employer-paid medical insurance
• Strong Equity Package
• Flexible PTO (15+ days)
• FSA and HSA options
• Generous parental leave
• 401(k)
• Learning stipend
• WFH equipment provided
• A collaborative, high-ownership culture
• Opportunities for significant technical and leadership impact
• A modern, scalable tech stack