CareerPlan

AI Engineer Senior

São Paulo, Belo HorizonteFull-time2026-10-30

Core

Build end-to-end software using code agents as the primary tool, evolving the agent harness, and solving business problems with autonomous agents.

Role type

Senior AI Engineer (Code Agents)

Builds

Production-ready code and autonomous agent workflows

Domain

Software Engineering / AI Agents

Deliverable

production ML models

Required skills

Code agents (Claude Code, Cursor, Codex), Full-stack development, Agent flows in production, Engineering rigor (testing, security, observability), Product autonomy, Technical writing

Preferred skills

Back-end, Front-end, Data, RAG, Fine-tuning, Evals, Harness, LLM cost/latency optimization

Technologies

Claude Code, Cursor, Codex, MCP

Responsibilities

Develop software end-to-end using code agents, Create and maintain agent skills/templates/instructions, Translate business domains into autonomous agents, Define evals/tracing/metrics for production quality, Lead technical direction and mentor the team

Seniority

Senior, hands-on IC