AI Software Engineer: Production LLM & Automation (Remote)

Blacksmith Agency LLC; Temuco; Remote; CLP 68,830,000 - 108,161,000; Full time

Job summary

Blacksmith Agency is seeking an AI Software Engineer to own and ship our internal automation roadmap, including production LLM and agent systems used by the team every day. This builder role requires a track record of shipping real systems, not just demos, and insists this be your sole full-time gig.

You will build agents and workflows with tool use, integrate with major tools, and create evals and guardrails to keep outputs safe.

Qualifications

• 2+ years building production software in Python or TS/Node.js.
• At least one LLM or agent system you built yourself that ran in production with real users.
• Hands-on tool use, evals and failure handling: validating model output, retries, human approval.
• REST APIs, webhooks and cloud deployment.
• Strong spoken English for live calls with a US team.

Responsibilities

• Develop agents and workflows with tool use and function calling on Anthropic and OpenAI, via framework or APIs.
• Create evals and guardrails to ensure safe model actions and prevent unsafe outputs.
• Build integrations connecting WordPress, Figma, Google Workspace, Slack and MCP servers.
• Develop internal tools that measurably reduce delivery, sales ops and project management effort.

Skills

Python

TypeScript / Node.js

LLM system in production

REST APIs

English communication

Tools

Anthropic API

OpenAI API

Cloud deployment

Job description

Blacksmith Agency is seeking an AI Software Engineer to own and ship our internal automation roadmap, including production LLM and agent systems used by the team every day. This builder role requires a track record of shipping real systems, not just demos, and insists this be your sole full-time gig.

You will build agents and workflows with tool use, integrate with major tools, and create evals and guardrails to keep outputs safe.