Remote LLM Engineer: Build Production AI Automations

Blacksmith Agency LLC; Paarl; Remote; ZAR 700,000 - 1,100,000; Full time

Benefits offered by this job

Remote work

Job summary

Blacksmith Agency is building an AI automation layer across our work processes. As an LLM Engineer you will own and ship the internal automation roadmap, turning a documented plan into production systems. This is a builder role, not a research role.

You will work with engineering and delivery leadership to deliver end-to-end automation workflows, leveraging LangChain/LangGraph and APIs with OpenAI/Anthropic.

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 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 in design and development processes.
• Create automation pipelines connecting WordPress, Figma, Google Workspace and our CMS.
• Integrate MCP server as part of the AI stack.

Skills

Python

Node.js

REST APIs

Cloud deployment basics

English communication

Tools

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

Job description

Blacksmith Agency is building an AI automation layer across our work processes. As an LLM Engineer you will own and ship the internal automation roadmap, turning a documented plan into production systems. This is a builder role, not a research role.

You will work with engineering and delivery leadership to deliver end-to-end automation workflows, leveraging LangChain/LangGraph and APIs with OpenAI/Anthropic.