Software Engineer, Agent (New Grad 2027)

Sierra is building AI agents for customer-facing applications. As a Software Engineer on the Agent team, you will design and deliver production-grade AI agents, drive the Agent Development Life Cycle, partner with large enterprises and startups, and build the future of the platform. You will work on projects like AI agents for telecommunications, complex customer interactions, and generalizable frameworks. This is a new grad role for 2027.

Experience building and scaling end-to-end production systems, strong problem-solving skills, builder mindset, comfort working with customers, excellent communication. Preferred: experience with AI/LLM systems, founder or founding engineer background, familiarity with eval frameworks, agent tooling, RAG, prompt engineering, React, TypeScript, Go, customer-facing roles.