Integration Engineer (Node.js / Python) – Senior Remote (Brazil / Argentina) | Hybrid (São Paulo) Full‑time English C1+

About the role

We’re looking for a Senior Integration Engineer to design and build integration systems that connect complex platforms and services in real‑world environments. You’ll work on backend systems that handle data exchange, APIs, and integrations with external platforms, ensuring reliability, scalability, and performance. This is a hands‑on engineering role with strong ownership, focused on building systems that are critical to day‑to‑day operations.

What you’ll do

• Design and build integration systems and backend services
• Develop and maintain APIs (REST / GraphQL)
• Integrate with third‑party systems and external platforms
• Handle asynchronous workflows, queues, and distributed systems
• Monitor, debug, and improve system reliability
• Participate in incident resolution and syste...