Software Engineer, Agent

Sierra is seeking a Software Engineer, Agent to design and deliver production-grade AI agents for customer-facing applications. The role involves driving the Agent Development Life Cycle from pilot to deployment, partnering with large enterprises and startups to build AI agents that transform operations, and building the future of the platform by surfacing unmet needs and collaborating with research and product teams. The work spans industries like finance, healthcare, and commerce.

Required: 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. Preferred: Experience building or deploying AI/LLM systems in production, founder or founding engineer background, familiarity with eval frameworks, agent tooling, RAG pipelines, prompt engineering, and prior experience with React, TypeScript, and/or Go.