AI Integration Engineer (Remote, Huancayo)

Blacksmith Agency LLC; Comisión de Fomento de Perú; Remote; ARS 136,310,000 - 204,465,000; Full time

Job summary

Blacksmith Agency is seeking an AI Integration Engineer to own and ship our automation roadmap. You will build production systems on top of large language models, not train them, working directly with engineering and delivery leadership on a documented automation roadmap.

You will implement agentic workflows using LangChain, LangGraph or equivalent frameworks, integrate with OpenAI and Anthropic APIs, and develop internal tools that reduce manual hours across our 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.
• English sufficient for async written work with a US-based team.

Responsibilities

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

Skills

Python or Node.js

LLM/AI integration

API integration (OpenAI/Anthropic)

REST APIs & webhooks

English communication

Tools

LangChain

LangGraph

CrewAI

AutoGen

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. 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.