Backend Engineer

Joppy
Barcelona, Spain
3 days ago

Role details

Contract type
Permanent contract
Employment type
Full-time (> 32 hours)
Working hours
Regular working hours
Languages
English
Experience level
Intermediate
Compensation
€ 65K

Job location

Barcelona, Spain

Tech stack

API
Cloud Computing
Code Coverage
Distributed Systems
Fault Tolerance
Key Management
RabbitMQ
Prometheus
System Programming
TypeScript
Grafana
Backend
Kubernetes
Low Latency
Kafka
Free and Open-Source Software
Software Coding
Terraform
Go
Microservices

Requirements

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

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