Sierra
Software Engineer, Agent (Spanish speaking)
$180K–$390K
San Francisco, CA +2 · On-site · Full-time · Posted Oct 7, 2026
- Location
- San Francisco, CA
New York, NY
Toronto
About the job
Build and deploy production-grade AI agents for enterprise customers, own their development and iteration, and help shape Sierra’s agent platform.
What you'll do
- Design, ship, tune, and continuously improve reliable AI agents in production.
- Work directly with enterprise and startup customers to address business needs and guide agent development.
- Identify customer needs, prototype platform capabilities, and collaborate with research, product, and platform teams.
What they ask for
- Professional fluency in Spanish and English.
- Experience building and scaling end-to-end production systems.
- Strong technical problem-solving skills in changing, ambiguous environments.
- Comfort working directly with customers and excellent communication skills.
Nice to have
- Experience building or deploying AI/LLM systems in production; familiarity with eval frameworks, agent tooling, RAG pipelines, or prompt engineering.
- Prior founder or founding engineer experience, React, TypeScript, Go, or customer-facing technical project experience.
Pay
$180K – $390K (USD, base salary)
Tools
AI/LLM systems, React, TypeScript, Go, RAG
AI focus
Build, deploy, and evolve customer-facing AI agents in production, including experimenting with voice models and developing agent frameworks and capabilities.
Model-written summary · the original posting is authoritative