AI Integration Engineer (Remote, Valparaiso)

Blacksmith Agency LLC; South Africa; Remote; CLP 88,149,000 - 127,326,000; Full time

Job summary

Blacksmith Agency is seeking an AI Integration Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems on top of LLMs, not model training, and requires turning a documented roadmap into shipped workflows.

You will collaborate with engineering and delivery leadership to implement agentic workflows using LangChain or LangGraph, integrate OpenAI/Anthropic APIs, and develop internal tools that reduce manual work across design and development

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.

Responsibilities

• Own and ship the internal automation roadmap, turning a documented workflow into shipped systems.
• Collaborate with engineering and delivery leadership to implement automation across our stack.
• Build agentic workflows using LangChain, LangGraph or equivalent frameworks and integrate with OpenAI/Anthropic APIs.

Skills

Python

Node.js

LangChain

LangGraph

CrewAI

AutoGen

API Integration

REST APIs

Cloud Deployment

English Communication

Tools

OpenAI API

Anthropic API

LangChain Framework

Job description

About The Role

Blacksmith Agency is building an AI automation layer into every part of how we work. As AI Integration 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.

Blacksmith Agency

• Engineering


• Full time


• Remote (Latin America and South Africa)

About The Role

Blacksmith Agency is building an AI automation layer into every part of how we work. As AI Integration 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.

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.