AI Automation Engineer (Remote) — Production LLM Systems

Blacksmith Agency LLC; Asturias; Remote; EUR 70,000 - 120,000; Full time

Job summary

Blacksmith Agency is hiring an AI Developer to own and ship the internal automation roadmap. The role is a builder position focused on production systems over AI models, collaborating closely with engineering and delivery leadership.

You will turn documented automation roadmaps into shipped systems, leveraging LangChain and OpenAI/Anthropic APIs, and build integrations across our tooling stack to reduce manual work.

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

Skills

Python

Node.js

REST APIs

Async writing

Tools

LangChain

LangGraph

CrewAI

AutoGen

OpenAI API

Anthropic API

Job description

Blacksmith Agency is hiring an AI Developer to own and ship the internal automation roadmap. The role is a builder position focused on production systems over AI models, collaborating closely with engineering and delivery leadership.

You will turn documented automation roadmaps into shipped systems, leveraging LangChain and OpenAI/Anthropic APIs, and build integrations across our tooling stack to reduce manual work.