Remote ML Engineer — Build Production AI Automations

Blacksmith Agency LLC; South Africa; Remote; ZAR 1,487,000 - 2,148,000; Full time

Job summary

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

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 with OpenAI or Anthropic (function calling, tool use, streaming).
• Strong REST APIs, webhooks and basic cloud deployment knowledge.
• English sufficient for async written work with a US-based team.

Skills

Python

Node.js

LangChain/LangGraph

OpenAI/Anthropic API

REST APIs & webhooks

English asynchronous

Tools

CrewAI

AutoGen

Job description

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