Software Engineer, Agent Architecture

Salary: $211,000 - 251,000 per year Requirements:

• We want someone with a strong passion for shaping the next generation of AI products.
• We need solid software engineering fundamentals and experience delivering production-grade systems.
• We value high initiative and the ability to drive results in a highly autonomous environment.
• We are looking for 4+ years of hands-on experience building production products and systems.
• We require a degree in Computer Science or a related discipline, or equivalent professional experience.
• It would be a plus to have experience building AI-powered systems or agent frameworks.
• It would also be beneficial to have experience with retrieval, evaluation systems, or LLM-based applications.
• Familiarity with developer platforms or SDKs would be an advantage.
• Experience with Go and TypeScript would be especially helpful.

• We will have you build the core systems that power agents, including the Agent SDK, orchestration engine, runtime, and the primitives that shape how agents reason, act, and interact with users and systems.
• We will have you design the agentic loop and help define the primitives needed to make agents steerable, verifiable, conversational, and adaptive in real-world settings.
• We will have you improve retrieval and grounding by building systems that help agents deliver accurate, trustworthy responses through better knowledge retrieval and usage.
• We will have you build evaluation systems and frameworks that allow us and our customers to measure and enhance agent quality over time.

• AI
• Support
• LLM
• TypeScript
• Architect
• CTO
• Salesforce
• VR

More:

We are Sierra, an in-person company focused on building a platform that helps businesses create more human customer experiences with AI. We are based in San Francisco with growing offices in Atlanta, New York, London, Paris, Madrid, Munich, Singapore, Japan, and Sydney. Our culture is shaped by Trust, Customer Obsession, Craftsmanship, Intensity, and Family. We were founded by Bret Taylor and Clay Bavor, and we offer full-time employees benefits including flexible unlimited paid time off, medical, dental, and vision coverage for employees and their families, life and disability insurance, a retirement plan depending on country of employment, parental leave, fertility and family-building support through Carrot, lunch, snacks, coffee, a discretionary benefit stipend, and free alphorn lessons. We also support equity participation for eligible full-time employees, subject to plan terms and policies, and we encourage applicants from all backgrounds to apply.

last updated 41 week of 2026