Remote AI Automation Engineer – LangChain & APIs

Blacksmith Agency LLC; South Africa; Remote; ZAR 600,000 - 900,000; Full time

Job summary

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

• Own and ship the internal automation roadmap.
• Build production systems on top of LLMs; not a research role.
• Collaborate with engineering and delivery leadership to translate roadmaps into shipped workflows.
• Develop agent-based workflows using LangChain, LangGraph or equivalents.
• Integrate with OpenAI/Anthropic APIs and other tools; ensure robust automation pipelines.

Skills

Python/Node.js

API integration (OpenAI/Anthropic)

REST APIs & webhooks

English communication

Tools

LangChain/LangGraph/CrewAI/AutoGen

Cloud deployment basics

Job description

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