LLM Automation Engineer: Build Production AI Workflows

Blacksmith Agency LLC

South Africa

Remote

ZAR 600,000 - 900,000

Full time

3 days ago

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Job summary

Blacksmith Agency is seeking an experienced LLM Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems on top of LLMs, not model training, and you will collaborate with engineering and delivery leadership to turn a documented roadmap into shipped workflows.

You will work with LangChain, LangGraph or equivalent frameworks, integrate with OpenAI and Anthropic APIs, and build automation that reduces manual work across our design and development

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

Agentic workflows using LangChain, LangGraph or equivalent frameworks.
Integrations with Anthropic and OpenAI APIs including tool use and function calling.
Internal tools that reduce manual hours across our design and development production process.
Automation pipelines connecting WordPress, Figma, Google Workspace and our internal CMS.
MCP server integrations as part of our broader AI stack.

Skills

Python/Node.js

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API integration

REST APIs

Job description

You will work with LangChain, LangGraph or equivalent frameworks, integrate with OpenAI and Anthropic APIs, and build automation that reduces manual work across our design and development

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