Remote LLM Engineer — Build Production AI Automations

Blacksmith Agency LLC; South Africa; Remote; ZAR 600,000 - 1,000,000; Full time

Benefits offered by this job

Remote work

Job summary

Blacksmith Agency LLC is seeking an experienced LLM Engineer to own and ship the internal automation roadmap. This builder role focuses on production systems atop LLMs rather than training models.

You will collaborate with engineering and delivery leadership to translate a documented automation roadmap into shipped, working systems, leveraging LangChain, LangGraph, and related frameworks to integrate with OpenAI and Anthropic APIs.

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 OpenAI and Anthropic APIs including tools and function calling.
• Develop internal tools to reduce manual hours across design and development processes.
• Create automation pipelines connecting WordPress, Figma, Google Workspace and our internal CMS.
• Enable MCP server integrations as part of our AI stack.

Skills

Python

Node.js

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

REST APIs

Webhooks

English

Tools

LangChain

LangGraph

OpenAI API

Anthropic API

Job description

Blacksmith Agency LLC is seeking an experienced LLM Engineer to own and ship the internal automation roadmap. This builder role focuses on production systems atop LLMs rather than training models.

You will collaborate with engineering and delivery leadership to translate a documented automation roadmap into shipped, working systems, leveraging LangChain, LangGraph, and related frameworks to integrate with OpenAI and Anthropic APIs.