Sierra

Software Engineer, Agent

Sierra
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11 months ago
Paris, FranceSenior

Responsibilities

  • Design and deliver performant, reliable, intuitive AI agents for production use.
  • Own the Agent Development Life Cycle from pilot through deployment and continuous iteration.
  • Build, tune, and evolve AI agents serving enterprise and startup customers.
  • Work directly with customer leaders to understand business challenges and develop solutions.
  • Prototype tools, features, agent frameworks, and self-service capabilities for Sierra’s platform.
  • Experiment with voice models and integrate them into scalable, enterprise-grade systems.
  • Surface customer needs and collaborate with research, product, and platform teams to shape the product.

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 a focus on shipping.
  • 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: founder or founding engineer experience.
  • Preferred: familiarity with evaluation frameworks, agent tooling, RAG pipelines, and prompt engineering.
  • Preferred: prior experience with React, TypeScript, and/or Go.
  • Preferred: experience interfacing with customers or leading technical projects with external stakeholders.

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 and fertility and family-building benefits through Carrot.
  • Lunch, snacks, and coffee provided.
  • Discretionary benefit stipend.
  • Free alphorn lessons.
  • Full-time employees may participate in equity plans subject to applicable policies.
  • Primarily in-person work in San Francisco, with offices across North America, Europe, and Asia.
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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