Software Engineer, Agent

Sierra is seeking a Software Engineer, Agent to design and deliver production-grade AI agents for enterprise customers. The role involves full ownership of the agent development lifecycle from pilot to deployment, partnering with large enterprises and startups, and shaping the future of the platform. The engineer will build scalable AI systems in industries like finance, healthcare, and commerce, working directly with customers to solve real-world problems.

Experience building and scaling end-to-end production systems, strong problem-solving skills in ambiguous environments, a builder mindset with high agency, comfort working directly with customers, and excellent communication skills. Nice-to-haves include experience with AI/LLM systems, being a founder or founding engineer, familiarity with eval frameworks, agent tooling, RAG pipelines, prompt engineering, and prior experience with React, TypeScript, or Go.