Sierra

Software Engineer, Agent Architecture

Sierra
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6 months ago
San Francisco, CA, USAMid Level
H1B sponsor

Base Salary

$230k - $390k/yr

Responsibilities

  • Build the Agent SDK orchestration engine, runtime, and primitives
  • Design the agentic loop and define primitives for steerable, verifiable, conversational, and adaptive agents
  • Build retrieval and grounding systems that improve response accuracy and trustworthiness
  • Design evaluation frameworks to measure and improve agent quality over time

Requirements

  • Strong software engineering fundamentals and experience building production systems
  • At least 4 years of hands-on experience building production products and systems
  • Degree in Computer Science or a related field, or equivalent professional experience
  • Passion for frontier AI products
  • Motivation and high agency to drive outcomes in a high-autonomy culture
  • Experience with AI-powered systems or agent frameworks is preferred
  • Experience with retrieval, evaluation systems, or LLM-based applications is preferred
  • Experience building developer platforms or SDKs is preferred
  • Experience with Go and TypeScript is preferred

Benefits

  • Flexible unlimited paid time off
  • Medical, dental, and vision benefits for employees and families
  • Life insurance and disability benefits
  • Retirement plan dependent on country of employment
  • Parental leave
  • Fertility and family-building benefits through Carrot
  • Lunch, snacks, and coffee
  • Discretionary benefit stipend
  • Free alphorn lessons
  • Equity plan eligibility for eligible full-time employees
  • Primarily in-person work; company offices include San Francisco and other global locations
Sierra

About Sierra

1,001-5,000 employees

Sierra builds an enterprise conversational AI platform that powers customer service and other customer-facing interactions for large organizations. The company sells SaaS and deployed solutions that integrate with enterprise systems and meet security and compliance requirements. Headquartered in San Francisco with offices across North America, Europe, and Asia-Pacific, Sierra was co-founded by Bret Taylor and Clay Bavor, longtime leaders at Salesforce, Facebook, and Google.

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