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Senior Software Engineer

Zagreb, Grad Zagreb, Croatia💼 Full-time🗓 2026-08-07 → 2026-09-26

Core

Building a global, scalable payments product that connects world balances and money through shared, connected ledgers.

Role type

Senior Software Engineer (Backend Payments)

Builds

High-throughput, low-latency, highly available payment services and developer tools

Domain

Fintech / Distributed Systems / Blockchain

Deliverable

production ML models | product features

Required skills

Backend payments systems architecture, Node.js, Public cloud infrastructure, High-throughput data management, System resilience, Flexibility, Extensibility, Clean code practices, Computer systems and internet fundamentals

Preferred skills

Bitcoin node operation, Weekend hacking

Technologies

Node.js, Public cloud

Responsibilities

Design and build scalable, low latency, highly available services; Develop complex backend payments systems; Manage effective data handling for high message throughput

Seniority

Senior, hands-on IC

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