LLM Engineer (Remote, Rustenburg)

Blacksmith Agency LLC; Rustenburg; Remote; ZAR 1,165,000 - 1,996,000; Full time

Benefits offered by this job

Remote work

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 on top of AI models, not model training. You will collaborate with engineering and delivery leadership to turn a documented roadmap into shipped automation workflows.

The role is full-time and remote, supporting a US-based team and international partners. Candidates should have 2+ years building production software with Python or Node.js and hands-on

Qualifications

• 2+ years building production software with Python or Node.js.
• Hands-on experience with LangChain, LangGraph, CrewAI or 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

• Own and ship internal automation roadmap and 구현 (implementation) of automation workflows.
• Turn documented roadmap into shipped, working systems in collaboration with engineering and delivery leadership.
• Build production systems on top of AI models, not training models.
• Develop and maintain integrations with AI APIs and tools to reduce manual hours across processes.

Skills

Python

Node.js

REST APIs

Webhooks

Async workflows

Tools

LangChain

LangGraph

CrewAI

AutoGen

Job description

About The Role

Blacksmith Agency is building an AI automation layer into every part of how we work. As LLM 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. This role is for someone who has already built things with LLMs and can show it.

Blacksmith Agency

• Engineering
• Full time
• Remote (Latin America and South Africa)

What You Will Build

• 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.

What You Bring

• 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.