Remote AI Automation Engineer — LangChain & OpenAI

Blacksmith Agency LLC; Colombia; Remote; COP 254,623,000 - 413,762,000; Full time

Job summary

Blacksmith Agency LLC is seeking an AI Developer to own and ship the internal automation roadmap. This is a builder role focused on production systems, not model training.

You will implement agentic workflows with LangChain/LangGraph, integrate with OpenAI and Anthropic APIs, and build automation pipelines across WordPress, Figma, Google Workspace, and our CMS. You will work with an US-based team in an async setting.

Qualifications

• 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.

Responsibilities

• Define and build agentic workflows using LangChain, LangGraph or equivalent frameworks.
• Integrate with OpenAI and Anthropic APIs including tool use and function calling.
• Develop internal tools to reduce manual hours across design and development workflows.
• Create automation pipelines linking WordPress, Figma, Google Workspace and our CMS.
• Support MCP server integrations as part of the AI stack.

Skills

Python

Node.js

REST APIs

Webhooks

Cloud deployment

English (async)

Tools

LangChain

LangGraph

CrewAI

AutoGen

OpenAI APIs

Anthropic APIs

Job description

Blacksmith Agency LLC is seeking an AI Developer to own and ship the internal automation roadmap. This is a builder role focused on production systems, not model training.

You will implement agentic workflows with LangChain/LangGraph, integrate with OpenAI and Anthropic APIs, and build automation pipelines across WordPress, Figma, Google Workspace, and our CMS. You will work with an US-based team in an async setting.