Machine Learning Engineer (Remote, La Serena)

Blacksmith Agency LLC; La Serena; Híbrido; CLP 59.347.000 - 89.021.000; Jornada completa

Descripción de la vacante

Blacksmith Agency LLC is seeking a Machine Learning Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems on top of AI models rather than research.

You will work with engineering and delivery leadership to translate a documented roadmap into shipped workflows, including LangChain integrations, API calls, and tooling that reduces manual hours.

Formación

• 2+ years building production software with Python or Node.js.
• Hands-on experience with LangChain, LangGraph, CrewAI, AutoGen or similar agent frameworks.
• Proven API integration work with OpenAI or Anthropic.
• Strong understanding of REST APIs, webhooks and basic cloud deployment.
• English sufficient for async written work with a US-based team.

Responsabilidades

• Own and ship internal automation roadmap as a builder role.
• Turn documented automations into shipped, working systems.
• Collaborate with engineering and delivery leadership on implementation.
• Develop agent-based workflows integrating tools and APIs.

Conocimientos

Python

Node.js

Async API usage

Herramientas

LangChain

LangGraph

CrewAI

AutoGen

OpenAI APIs

Anthropic APIs

REST APIs

Webhooks

Descripción del empleo

About The Role

Blacksmith Agency is building an AI automation layer into every part of how we work. As Machine Learning Engineer at Blacksmith, you own and ship our internal automation roadmap. This is a builder role, not a research role. You will not be training models, you will be building production systems on top of them.

You work directly with engineering and delivery leadership to take a documented roadmap of automation workflows and turn them into shipped, working systems. This role is for someone who has already built things with LLMs and can show it.

Blacksmith Agency

• Engineering


• Full time


• Remote (Latin America and South Africa)

What You Will Build

• Agentic workflows using LangChain, LangGraph or equivalent frameworks.


• Integrations with Anthropic and OpenAI APIs including tool use and function calling.


• Internal tools that reduce manual hours across our design and development production process.


• Automation pipelines connecting WordPress, Figma, Google Workspace and our internal CMS.


• MCP server integrations as part of our broader AI stack.

What You Bring

• 2+ years building production software with Python or Node.js.


• Hands-on experience with LangChain, LangGraph, CrewAI, AutoGen or similar agent frameworks.


• Proven API integration work with OpenAI or Anthropic (function calling, tool use, streaming).


• Strong understanding of REST APIs, webhooks and basic cloud deployment.


• English sufficient for async written work with a US-based team.