AI Agent Engineer - Bilingual PT/EN, Production Systems

ARCHER; San Francisco (CA); On-site; USD 140,000 - 200,000; Full time

Benefits offered by this job

Flexible PTO

Medical Insurance

Dental Insurance

Vision Insurance

Life Insurance

Disability Benefits

Retirement Plan

Parental Leave

Fertility Benefits

Lunch and Snacks

Discretionary Stipend

Equity Plan

Alphorn Lessons

Job summary

ARCHER is seeking a multilingual AI agent platform engineer in San Francisco to design, build, deploy, and continuously improve production-grade agents for enterprise customers. You will collaborate with customers and cross-functional teams to address business challenges and shape the platform.

We value strong problem-solving, ownership, and clear communication. Experience with AI/LLM systems, agent tooling, and prompt engineering is a plus, with familiarity in React, TypeScript, or Go

Qualifications

• Candidates must be professionally fluent in Brazilian Portuguese and English.
• Experience building and scaling end-to-end production systems.
• Demonstrate ownership, problem-solving, and customer-facing communication skills.
• Experience deploying AI or LLM systems, familiarity with agent tools, evaluation frameworks, RAG, and prompt engineering is advantageous.

Responsibilities

• Design, build, deploy, and continuously improve reliable, production-grade AI agents for enterprise and startup customers.
• Work directly with customers and internal research, product, and platform teams to solve business challenges and shape the AI agent platform.

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

Tools

React

TypeScript

Go

Job description

ARCHER is seeking a multilingual AI agent platform engineer in San Francisco to design, build, deploy, and continuously improve production-grade agents for enterprise customers. You will collaborate with customers and cross-functional teams to address business challenges and shape the platform.

We value strong problem-solving, ownership, and clear communication. Experience with AI/LLM systems, agent tooling, and prompt engineering is a plus, with familiarity in React, TypeScript, or Go