Sierra

Software Engineer, Agent

Sierra
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3 days ago
Singapore, SingaporeMid Level

Responsibilities

  • Design, build, and ship performant, reliable, intuitive AI agents for production use.
  • Own the Agent Development Life Cycle from pilot through deployment, tuning, and continuous iteration.
  • Work directly with enterprise and startup customers to understand business challenges and develop scalable AI-agent solutions.
  • Create generalizable agent frameworks and support complex customer interactions such as troubleshooting, recommendations, and subscription retention.
  • Prototype agent architectures, self-service capabilities, development tools, and voice-model integrations.
  • Surface customer needs and collaborate with research, product, and platform teams to evolve Sierra’s core platform.

Requirements

  • Experience building and scaling end-to-end production systems.
  • Strong technical problem-solving skills in fast-changing and ambiguous environments.
  • A builder and tinkerer mindset with high agency and the ability to overcome obstacles and ship.
  • Comfort working directly with customers to understand needs and solve real-world problems.
  • Excellent communication skills across technical and non-technical audiences.
  • Preferred experience building or deploying AI/LLM systems in production.
  • Preferred experience as a founder or founding engineer.
  • Familiarity with evaluation frameworks, agent tooling, RAG pipelines, and prompt engineering.
  • React, TypeScript, and/or Go experience is preferred.
  • Previous customer-facing experience or experience leading technical projects with external stakeholders is preferred.

Benefits

  • Primarily in-person work based in San Francisco, with offices across North America, Europe, and Asia.
  • 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 and fertility and family-building benefits through Carrot.
  • Lunch, snacks, and coffee.
  • Discretionary benefit stipend.
  • Free alphorn lessons.
  • Eligible full-time employees may participate in equity plans; benefits may vary by region.
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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