AI Integration Engineer (Remote, Rustenburg)

Blacksmith Agency LLC; South Africa; Remote; ZAR 550,000 - 850,000; Full time

Job summary

Blacksmith Agency LLC is seeking an AI Integration Engineer to own and ship our internal automation roadmap, building production systems on top of AI models rather than training them. This is a builder role focused on delivering reliable automation across our stack.

You will work directly with engineering and delivery leadership to convert a documented roadmap into shipped workflows, leveraging LangChain, LangGraph and API integrations.

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

• Own and ship the automation roadmap for internal processes.
• Turn documented automation workflows into shipped, working systems.
• Collaborate with engineering and delivery leadership on implementation.
• Build agent workflows using LangChain, LangGraph or equivalent frameworks.
• Develop integrations with OpenAI and Anthropic APIs including tool use and function calling.

Skills

Python

Node.js

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

REST APIs

Webhooks

Cloud deployment

English communication

Tools

LangChain Studio

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.