Software Engineer, Agent (Brazilian Portuguese speaking)

Job Description

Design, build, deploy, and continuously improve reliable, production-grade AI agents for enterprise and startup customers, taking ownership from initial pilots through ongoing iteration. Work directly with customers and internal research, product, and platform teams to solve business challenges and shape Sierra’s AI agent platform.

Requirements: Candidates must be professionally fluent in Brazilian Portuguese and English, have experience building and scaling end-to-end production systems, and demonstrate strong problem-solving, ownership, customer-facing ability, and communication skills. Experience deploying AI or LLM systems, familiarity with agent tools, evaluation frameworks, RAG, and prompt engineering, or experience with React, TypeScript, or Go is advantageous.

Key Skills: Brazilian Portuguese Fluency, English Fluency, Production Systems Engineering, AI Agent Development, Large Language Models, Technical Problem-Solving, Customer Engagement, Communication, Evaluation Frameworks, Agent Tooling, Retrieval-Augmented Generation, Prompt Engineering, React, TypeScript, Go, Technical Project Leadership

Benefits: Flexible Paid Time Off, Medical Insurance, Dental Insurance, Vision Insurance, Life Insurance, Disability Benefits, Retirement Plan, Parental Leave, Fertility And Family-Building Benefits, Lunch, Snacks And Coffee, Discretionary Benefit Stipend, Equity Plan, Alphorn Lessons