Applied AI Engineer (Remote, Pretoria)

Blacksmith Agency LLC; South Africa; Remote; ZAR 900,000 - 1,200,000; Full time

Benefits offered by this job

Remote work

Job summary

Blacksmith Agency is seeking an Applied AI Engineer to own and ship our internal automation roadmap. This builder role focuses on production systems atop LLMs, not model training, and requires hands-on experience with LangChain, LangGraph and API integrations.

You will collaborate with engineering and delivery leadership to convert a documented automation roadmap into shipped workflows, connecting WordPress, Figma, Google Workspace, and our CMS across the stack.

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

• Own and ship our automation roadmap, turning documented workflows into shipped systems.
• Build production systems on top of large language models; not researching models.
• Develop agent-based workflows using LangChain, LangGraph or equivalent.
• Implement integrations with OpenAI/Anthropic APIs and other tools.

Skills

Python

Node.js

LLM experience

REST APIs

Asynchronous collaboration

Tools

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

Job description

About The Role

Blacksmith Agency is building an AI automation layer into every part of how we work. As Applied AI 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.

Blacksmith Agency

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

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.

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.