Sierra
Software Engineer, Agent (Brazilian Portuguese speaking)
$180K–$390K
San Francisco, CA +1 · On-site · Full-time · Posted Jun 22, 2026
- Location
- San Francisco, CA
New York, NY
About the job
Build and deploy production-grade AI agents for enterprise customers, while shaping Sierra’s agent platform through customer-led development.
What you'll do
- Design, build, deploy, and continuously improve scalable AI agents in production.
- Work with enterprise and startup customers to understand business needs and deliver AI agent solutions.
- Identify customer needs and collaborate with research, product, and platform teams to evolve Sierra’s platform.
What they ask for
- Professional fluency in Brazilian Portuguese and English.
- Experience building and scaling end-to-end production systems.
- Strong technical problem-solving skills in fast-changing, ambiguous environments.
- Comfort working directly with customers to understand needs and solve real-world problems.
Nice to have
- Experience building or deploying AI/LLM systems in production; familiarity with AI-agent tools and approaches.
- Prior experience with React, TypeScript, and/or Go; founding experience or customer-facing technical project leadership.
Pay
$180K – $390K (USD, base salary)
Tools
AI/LLM, React, TypeScript, Go, RAG
AI focus
Build, deploy, tune, and evolve customer-facing AI agents and related production systems.
Model-written summary · the original posting is authoritative