LLM Engineer (Remote, Lima)

Blacksmith Agency LLC; Lima Metropolitana; Remote; PEN 60,000 - 100,000; Full time

Job summary

Blacksmith Agency is seeking an LLM 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 work with LangChain/LangGraph.

You will collaborate with engineering and delivery leadership to convert roadmaps into shipped systems. Ideally you bring 2+ years building production software with Python or Node.js, exposure to agent frameworks, and proven API integrations with OpenAI or Anthropic, plus

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 the internal automation roadmap in collaboration with engineering and delivery leadership.
• Build production systems on top of LLMs; you will not be training models.
• Turn documented roadmaps of automation workflows into shipped, working systems.
• Develop agentic workflows using LangChain, LangGraph or equivalent frameworks.
• Create automation pipelines and integrations across WordPress, Figma, Google Workspace and internal CMS.

Skills

Production software

Python

Node.js

LangChain

LangGraph

OpenAI API

Anthropic API

REST APIs

Webhooks

Cloud deployment

English communication

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.