Software Engineer, Platform

Highlights

• Build platform primitives powering how AI agents are built and deployed.
• Design runtime systems and tooling for reliable, steerable AI agents.
• Invent foundations of agent development used across Sierra.

What they offer

• Flexible (unlimited) paid time off
• Medical, dental, and vision benefits for you and family
• Life insurance and disability benefits
• Retirement plan
• Parental leave
• Fertility and family building benefits through Carrot
• Lunch, snacks and coffee
• Discretionary benefit stipend
• Equity participation

Ideal candidate

High-agency engineer passionate about frontier AI who takes pride in reliable, scalable systems and thrives driving outcomes in a high-autonomy, craft-driven culture.

Requirements

• 4+ years hands-on experience building production systems
• Degree in Computer Science or related field, or equivalent experience
• Passion for being on the frontier of AI products
• Pride in building reliable, maintainable, and secure systems that scale
• Motivation and high-agency to drive outcomes in high-autonomy culture
• Experience building developer platforms or SDKs (preferred)
• Experience with distributed systems (preferred)
• Experience building AI-powered products (preferred)
• Leadership experience on technical projects (preferred)