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Backend Engineer (Typescript) (50K€-65K€)

Joppy

barcelona, barcelona, Spain Full-time July 13, 2026

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We’re hiring a Backend Engineer for our client — someone who’ll own the backend systems that power our crypto and self‑custody platform. You’ll bring deep expertise in Go, TypeScript, RabbitMQ, and Kubernetes, paired with a passion for distributed systems, cryptography, and fintech.


What you’ll do

  • Design, implement, and operate scalable, resilient backend services handling millions of API requests per month.
  • Author high‑performance microservices in Go and TypeScript, ensuring clean, maintainable code and robust test coverage.
  • Architect messaging workflows using RabbitMQ (or similar), optimizing for throughput, latency, and fault tolerance.

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