Remote ML Engineer — Production AI Automation Builder

Blacksmith Agency LLC; Roodepoort; Remote; ZAR 1,002,000 - 1,669,000; Full time

Job summary

Blacksmith Agency is seeking a Machine Learning Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems atop AI models, not model training.

You will work directly with engineering and delivery leadership to translate a documented automation roadmap into shipped, working systems. Experience with LLMs and hands-on implementation is required.

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

• Build production automation workflows and integration layers.
• Ship internal automations on top of AI models and tools.
• Collaborate with engineering and delivery leadership to implement roadmaps.
• Develop tools to reduce manual workflows across development processes.

Skills

Python

Node.js

Async work

Tools

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

REST APIs

Webhooks

Job description

Blacksmith Agency is seeking a Machine Learning Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems atop AI models, not model training.

You will work directly with engineering and delivery leadership to translate a documented automation roadmap into shipped, working systems. Experience with LLMs and hands-on implementation is required.