LLM Automation Engineer - Remote (LangChain & API)

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

Benefits offered by this job

Remote (Latin America and South Africa

Job summary

Blacksmith Agency LLC is seeking an LLM Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems atop LLMs, not model training. You will work with leadership to translate a documented roadmap into shipped automation workflows and integrations.

We prioritize hands-on builders experienced with LangChain, LangGraph, and OpenAI/Anthropic APIs. Remote work is available for LATAM and South Africa, with full-time commitment.

Qualifications

• 2+ years building production software with Python or Node.js.
• Hands-on experience with LangChain, LangGraph, CrewAI, AutoGen.
• Proven API integration work with OpenAI or Anthropic (function calling, tool use).
• Strong understanding of REST APIs, webhooks and basic cloud deployment.
• English sufficient for async written work with a US-based team.

Responsibilities

• Build agentic workflows using LangChain, LangGraph or equivalent frameworks.
• Integrate with Anthropic and OpenAI APIs including tool use and function calling.
• Develop internal tools to reduce manual hours across design and development workflows.
• Create automation pipelines linking WordPress, Figma, Google Workspace and CMS.
• Implement MCP server integrations as part of the AI stack.

Skills

Python

Node.js

LangChain

LangGraph

APIs

REST APIs

English (written)

Tools

CrewAI

AutoGen

OpenAI API

Job description

Blacksmith Agency LLC is seeking an LLM Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems atop LLMs, not model training. You will work with leadership to translate a documented roadmap into shipped automation workflows and integrations.

We prioritize hands-on builders experienced with LangChain, LangGraph, and OpenAI/Anthropic APIs. Remote work is available for LATAM and South Africa, with full-time commitment.