AI Automation Engineer: LangChain & API Integrations

Blacksmith Agency LLC; eMalahleni; Remote; ZAR 1,976,000 - 2,964,000; Full time

Job summary

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, not on training.

You will work with engineering leadership to turn documented workflows into shipped, working solutions. You should have hands-on experience with LangChain or similar frameworks, and API integrations with OpenAI or Anthropic.

Qualifications

• 2+ years building production software.
• Experience with LangChain/LangGraph or similar.
• API integrations with OpenAI or Anthropic.
• REST APIs and cloud basics.
• English for async collaboration.

Responsibilities

• Build and ship production automation workflows.
• Own automation roadmap and deliver working systems.
• Collaborate with engineering and leadership to implement plans.
• Improve internal tools to reduce manual work.

Skills

Python

Node.js

REST APIs

API integration

English proficiency

Tools

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

Job description

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, not on training.

You will work with engineering leadership to turn documented workflows into shipped, working solutions. You should have hands-on experience with LangChain or similar frameworks, and API integrations with OpenAI or Anthropic.