Software Engineer, Agent

Sierra Sierra · AI Frontier · San Francisco, CA · Engineering

Software Engineer, Agent role at Sierra focused on designing, building, and shipping production-grade AI agents for enterprise customers. The role involves owning the Agent Development Life Cycle (ADLC), partnering with clients to understand needs, and contributing to the evolution of the core platform. Emphasis on building scalable, reliable, and revenue-driving AI systems.

What you'd actually do

  1. Design and deliver production-grade AI agents
  2. Drive the Agent Development Life Cycle (ADLC)
  3. Partner with large enterprises and cutting-edge startups
  4. Build the future of the platform

Skills

Required

  • Experience building and scaling end-to-end production systems
  • Strong technical problem-solving skills, especially in fast-changing, ambiguous environments
  • A builder and tinkerer’s mindset with high agency - you find creative ways to overcome obstacles and ship
  • Comfort working directly with customers to understand their needs and solve real-world problems
  • Excellent communication skills - clear, direct, and persuasive across technical and non-technical audiences

Nice to have

  • Experience building or deploying AI/LLM systems in production
  • Have been a founder or founding engineer - you know what it means to balance craft, ownership, and speed
  • Familiarity with tools that power today's AI agents: eval frameworks, agent tooling, RAG pipelines, and prompt engineering
  • Prior experience with React, TypeScript, and/or Go
  • Previous roles where you interfaced with customers or led technical projects with external stakeholders

What the JD emphasized

  • production-grade AI agents
  • AI agents

Other signals

  • design and deliver production-grade AI agents
  • build and ship highly performant, reliable, and intuitive AI agents
  • build the future of the platform
  • prototype new tools and features
  • shape the future of AI agent development