Remote ML Engineer: Build AI Automation Systems

Blacksmith Agency LLC; Somerset West; Remote; ZAR 1,497,000 - 2,162,000; 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 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

• Ship automation workflows from documented roadmap to production.
• Collaborate with engineering and delivery leadership to turn roadmaps into working systems.
• Build agentic workflows using LangChain, LangGraph or equivalent frameworks.
• Develop integrations with OpenAI/Anthropic APIs and internal tools.

Skills

Python

Node.js

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

REST APIs

Webhooks

Cloud deployment

English (written)

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.