Join to apply for the Backend Engineer (Typescript) (50K€-65K€) role at Joppy 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. 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 * Culture fit * Technical challenge (4h) * Technical interview * Reference calls About Joppy Joppy is a technology recruitment platform built for developers by developers. ✅ No CV is required. Just say what you know and what you want. ✅ You choose who can talk to you. Companies cannot write to you until you accept their offer. ✅ Get rewarded if you get hired. Keep an eye on tech job opportunities anonymously and find the job that m

📌 Backend Engineer (España)
🏢 Joppy
📍 España