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Senior NodeJS Developer

Confidential

Spain, Spain, Spain Full time June 19, 2026

Found Description

About the Role

We are looking for a Senior Node.js Developer to join our team and help build a distributed, high-load real-time networking platform that processes, transforms, and routes large volumes of HTTP and WebSocket traffic between clients and external services.

This is a highly technical engineering role focused on network services, protocol-level development, observability, runtime integrations, and modern software architecture.

Our platform is built as a large TypeScript monorepository running simultaneously on both Node.js and Bun, with a unified abstraction layer. We actively embrace AI-assisted development practices and expect engineers to take ownership throughout the entire software lifecycle—from research and design to implementation, testing, deployment, and continuous improvement.

What You'll Do

Core Platform Development

  • Design, develop, and optimize services within our networking core.
  • Build highly reliable sy...

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