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Software Engineer, Product

Sierra· Engineering
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San Francisco, CA$230k - $390kFull-timePosted 4mo ago

About the role

Software Engineer role focused on building AI-powered product platforms and agent systems at Sierra, with emphasis on agent architecture, retrieval, evaluation, voice, simulation, content management, and the agent development lifecycle.

Responsibilities

  • Agent Architecture: What primitives do we need to build agents that are steerable and verifiable, but also conversational and empathetic? How do we future-proof this as LLMs evolve?
  • Retrieval: How do we ground answers in a customer’s knowledge base? How do we use retrieved context conversationally, handling cases where the answer is unclear or needs clarification from the user?
  • Evals: How do we measure an agent’s quality? How do empower our customers to improve agent quality?
  • Voice: How do we make our chat agents “just work” over the phone? How do we deliver lifelike conversations at low latency?
  • Simulation & Benchmarking: How can we craft a simulation platform to test AI agents against every real-world scenario imaginable? (See 𝜏-Bench)
  • Content Management: How do we create intuitive, no-code tools that allow anyone to guide and test AI agents?
  • Agent Development Lifecycle: How do we adapt traditional software development methodologies to accommodate AI agents’ non-deterministic behavior, natural language interactions, and reliance on large language models? (See Sierra’s ADLC)
  • Generative Agent Development: How do we accelerate agent creation using generative tools like Cursor and Claude Code? Can we build self-improving systems based on real-world interactions, customer-driven feedback, and self-play?

Qualifications

  • 4+ years hands-on experience building production products and systems.
  • Experience and comfort to build and ship full-stack solutions.
  • Degree in Computer Science or related field, or equivalent professional experience.

Skills

Required:Full-stack development
Nice to have:AI-powered product developmentGoTypescript

Benefits

  • Flexible (unlimited) paid time off
  • Medical, dental, and vision benefits for you and your family
  • Life insurance and disability benefits
  • Retirement plan dependent on country of employment
  • Parental leave
  • Fertility and family building benefits through Carrot
  • Lunch, as well as delicious snacks and coffee to keep you energized
  • Discretionary benefit stipend giving people the ability to spend where it matters most
  • Free alphorn lessons
Last updated Sep 16, 2026. Interested? Apply on the company site.
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About Sierra

Better customer experiences. Built on Sierra.

Sierra helps businesses build better, more human customer experiences with AI.

AICustomer ExperienceCustomer SupportVoiceai-agents-and-applicationsorchestrationvoice-ai-stackwing-list-2026
Company profileWebsite

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