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Senior Software Engineer

São Paulo, Brazil💼 Full-time🗓 2026-09-14 → 2026-09-28

Core

Build production systems, data pipelines, and agent harnesses for frontier AI labs to generate high-signal STEM datasets and evaluation benchmarks.

Role type

Senior Software Engineer (Backend/Platform)

Builds

Task-authoring tools, data pipelines, evaluation harnesses, sandboxed execution environments, and agentic workflows for AI research.

Domain

Artificial Intelligence / Frontier AI Research / Data Engineering

Deliverable

production ML models

Required skills

Python, FastAPI, Django, PostgreSQL, TypeScript, React, Linux, Docker, Terraform, AWS/GCP, LLM coding tools, Git

Preferred skills

Agent frameworks (LangGraph, MCP), Sandboxing (gVisor, Firecracker), Workflow orchestration (Temporal, Airflow), LLM benchmarks (SWE-bench)

Responsibilities

Own services end-to-end from design to production operation; Build backend services and data pipelines for dataset generation and validation; Build and operate agent harnesses with tool use and retries; Build sandboxed execution environments for model-generated code; Trace and debug agent runs end-to-end; Own infrastructure as code and CI/CD.

Seniority

Senior, hands-on IC

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