Backend Engineer

hace 4 días

Barcelona, Barcelona, España Joppy A tiempo completo

We're hiring a
Backend Engineer for our cliente
— 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.

Your profile

  • 3+ years of backend experience building production systems in Go or TypeScript.
  • Proven track record designing message‑driven architectures with RabbitMQ, Kafka, or similar.
  • Strong knowledge of Kubernetes: deploying, scaling, and troubleshooting at scale.
  • Familiarity with cryptographic concepts (key management, signatures, encryption) and a curiosity to dig deeper.
  • You're an individual contributor who loves solving hard problems, writing code end‑to‑end, and shipping reliable services.

Nice to haves

  • Background in Rust, or systems programming.
  • Experience with Infrastructure as Code (Terraform, Cloud Deployment Manager).
  • Open‑source contributions or side projects showcasing your distributed systems chops.
  • Familiarity with observability tools (Prometheus, Grafana, OpenTelemetry).

Hiring Process

  1. Culture fit
  2. Technical challenge (4h)
  3. Technical interview
  4. Reference calls

About Joppy

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