Software Engineer, Agent Runtime
San Francisco, CA • FullTime
Posted 5mo ago
Remote Work Policy
On-site
Employment Type
FullTime
Categories
AI Agent Engineer
About the job
Sierra is building a platform to enable companies to create better, more human customer experiences with AI. We are seeking a Software Engineer to join our team and focus on building the core systems that power AI agents. This role involves working on the Agent SDK, including the orchestration engine, runtime, and primitives that define how agents reason, take actions, and interact with users and systems. You will also design the agentic loop, defining the necessary primitives for steerable, verifiable, conversational, and adaptive agents, and improve retrieval and grounding systems to ensure agents provide accurate, trustworthy responses. Additionally, you will build evaluation systems to measure and improve agent quality over time.
Responsibilities
- Build core systems for agent runtime, including orchestration, runtime, and primitives.
- Design the agentic loop, defining primitives for steerable, verifiable, conversational, and adaptive agents.
- Improve retrieval and grounding systems for accurate and trustworthy agent responses.
- Build evaluation frameworks to measure and improve agent quality.
Requirements
- Strong software engineering fundamentals and experience building production systems.
- 4+ years of hands-on experience building production products and systems.
- Degree in Computer Science or related field, or equivalent professional experience.
- Passion for being on the frontier of AI products.
- High motivation and agency to drive outcomes in a high-autonomy culture.
Benefits
- Flexible (unlimited) paid time off
- Medical, dental, and vision benefits for you and your family
- Life insurance and disability benefits
- Retirement plan dependent on country of employment
- Parental leave
- Fertility and family building benefits
- Lunch, snacks, and coffee
- Discretionary benefit stipend
- Free alphorn lessons
- Equity plans