Staff AI Engineer: Backend LLM & Production Systems Lead

BairesDev; Chile; A distancia; CLP 111.940.000 - 167.910.000; Jornada completa

Ventajas ofrecidas por este puesto de trabajo

100% remote work

USD compensation

Home-office setup provided

Flexible hours

Parental leave and holidays

Global multicultural team

Mentorship and growth

Descripción de la vacante

BairesDev is seeking a Staff AI Engineer to lead backend AI features end to end, building LangGraph flows and RAG pipelines while remaining hands-on. You will work with Principal and Senior engineers to unblock the team and shape production LLM systems for scalable impact.

You’ll design, implement, and evaluate AI components, ensuring robust tracing, evaluation, and observability across complex workflows. This role offers remote flexibility and global collaboration.

Formación

• 8+ years of experience in Python.
• Proven experience building production LLM systems.
• Hands-on experience with LangChain and LangGraph, including agent flows, tool invocation, and state management.
• Experience building RAG pipelines over structured and unstructured data.
• Experience with LLM evaluation and tracing (LangSmith, LLM-as-judge, golden datasets).
• 4+ years of experience with React/Next.js and TypeScript.
• Experience with MCP server development against structured databases and data lakes.
• Experience with streaming agent interactions, including LangGraph API and WebSockets.
• Background with CI/CD pipelines and service observability (logging, tracing, SLOs).
• Experience with distributed systems, microservices, and REST/GraphQL on AWS.
• Strong prompt engineering skills, iterating against measured output.
• Advanced proficiency in English.

Responsabilidades

• Lead backend AI features end to end, breaking down and delivering complex work.
• Build and maintain LangGraph agent flows and RAG pipelines over structured and unstructured data.
• Hold evaluation and tracing coverage on shipped AI behavior.
• Stay hands-on across development phases, building alongside Principal and Senior engineers.
• Unblock Senior engineers in the pod and surface blockers early.

Conocimientos

Python

LLM systems

LangChain

LangGraph

RAG pipelines

LLM evaluation

English

React/Next.js

TypeScript

CI/CD

AWS

Herramientas

LangChain

LangGraph

WebSockets

REST/GraphQL

Pinecone / FAISS / Qdrant

Descripción del empleo

BairesDev is seeking a Staff AI Engineer to lead backend AI features end to end, building LangGraph flows and RAG pipelines while remaining hands-on. You will work with Principal and Senior engineers to unblock the team and shape production LLM systems for scalable impact.

You’ll design, implement, and evaluate AI components, ensuring robust tracing, evaluation, and observability across complex workflows. This role offers remote flexibility and global collaboration.