Quality Assurance Engineer

SIX

📍 Madrid, Community of Madrid, Spain

Full-time Computer Occupations Posted March 02, 2026

Job Description

What You Will Do


  • Design, execute, and automate backend and end‑to‑end tests using Java and JavaScript, ensuring the quality and stability of developed services.

  • Validate data‑processing microservices architectures, including Spark‑ and Cloudera‑based components, as well as Kafka integrations and data consolidation/transformation checks.

  • Perform and analyze performance tests using JMeter, identifying improvement areas, detecting potential bottlenecks, and producing detailed technical reports.

  • Manage and document the full testing lifecycle using Xray: test case design, sprint execution, incident tracking, and functional/technical certification of releases.

  • Collaborate continuously with development, business, and monitoring teams, providing technical documentation in English and defining validation procedures for deployments to production environments
  • What You Bring

  • Strong tech...