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# Senior Qa Engineer, Crypto Trading Platform

- **Company:** Freedx
- **Location:** Madrid, Spain
- **Contract:** Permanent contract
- **Skills:** Application Programming Interfaces (APIs), Data Analysis, Data Integrity, Systems Integration, WebSocket, Real Time Data
- **Published:** August 6, 2026
- **Apply:** https://www.buscojobs.com.es/senior-qa-engineer-crypto-trading-platform-en-madrid-ID-365739808

## About the Role

You will test core trading operations, real-time data streams, financial calculations, APIs, system integrations, analytics, and dashboards throughout the full development lifecycle.The ideal candidate has 4+ years of QA experience in crypto or fintech, strong API/WebSocket testing skills, and a pragmatic approach to risk and data integrity.
#J-*****-Ljbffr

## Description

Freedx is seeking a Senior QA Engineer to ensure the quality and reliability of trading and analytics products on a centralized crypto exchange.You will test core trading operations, real-time data streams, financial calculations, APIs, system integrations, analytics, and dashboards throughout the full development lifecycle.The ideal candidate has 4+ years of QA experience in crypto or fintech, strong API/WebSocket testing skills, and a pragmatic approach to risk and data integrity.#J-*****-Ljbffr


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