Software Engineer, Product

About Us

Sierra is the leading platform for customer-facing AI agents, working with many of the world's biggest brands—including The GAP, Rocket Mortgage, SoFi, Sutter Health, and SoftBank—to transform how they serve customers and grow their businesses. We are primarily an in-person company based in San Francisco, with growing offices across North America, Europe, and Asia.

What You'll Do

• Agent Architecture: Determine the primitives needed to build steerable, verifiable, conversational, and empathetic agents, future-proofing as LLMs evolve.
• Retrieval: Ground answers in customer knowledge bases and use retrieved context conversationally, handling ambiguity or clarification.
• Evals: Measure agent quality and empower customers to improve quality.
• Voice: Deliver lifelike chat agent conversations over the phone at low latency.
• Simulation & Benchmarking: Craft simulation platforms to test AI agents against real-world scenarios.
• Content Management: Build intuitive, no-code tools for guiding and testing AI agents.
• Agent Development Lifecycle: Adapt software development methodologies for non-deterministic AI agent behavior and LLMs.
• Generative Agent Development: Accelerate agent creation using generative tools and build self-improving systems.

What You'll Bring

• A passion for being on the frontier of AI products.
• Motivation and high-agency to drive outcomes in a high-autonomy culture.
• Alignment to core company values (Craftsmanship, Customer Obsession, Competitive Intensity).
• 4+ years hands-on experience building production products and systems.
• Experience and comfort building and shipping full-stack solutions.
• Degree in Computer Science or related field, or equivalent professional experience.

Even Better

• Experience building AI-powered products.
• A sharp eye for design.
• Experience with Go and TypeScript.
• Experience building developer tooling, programming languages, or databases.
• Leadership experience on technical projects or teams.