AI Integration Engineer (Remote, East London)

Blacksmith Agency LLC; East London; Remote; ZAR 550,000 - 1,100,000; Full time

Job summary

Blacksmith Agency LLC is hiring an AI Integration Engineer to own the automation roadmap and deliver production-ready systems built on AI models. This builder role focuses on implementing LangChain/LangGraph workflows, API integrations with OpenAI/Anthropic, and internal tooling to reduce manual work in design and development processes.

You will collaborate with engineering and delivery leadership, shipping agent-based solutions and connectors across WordPress, Figma, Google Workspace, and

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 internal automation roadmap.
• Build production systems on top of AI models; you will not train models.
• Work directly with engineering and delivery leadership to turn a documented roadmap into working systems.
• Develop agent-based workflows and integrations with external APIs and tools.

Skills

Python

Node.js

LangChain

LangGraph

CrewAI

AutoGen

OpenAI

Anthropic

REST APIs

English

Tools

LangChain

LangGraph

CrewAI

AutoGen

OpenAI

Anthropic

Job description

About The Role

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