We're looking for a Senior Performance Test Engineer to join our team in Madrid, Spain in a hybrid working mode. In this role, you will design, implement and execute performance testing and synthetic monitoring solutions, ensuring system scalability, stability and reliability for business-critical applications. You will work closely with development teams and stakeholders to identify performance bottlenecks, optimize application responsiveness and deliver actionable insights that drive continuous improvement across technology platforms.

This position offers the opportunity to contribute as both a technical expert and trusted advisor, influencing testing strategies and strengthening the organization's observability and performance engineering capabilities.

Responsibilities

Design, develop and execute performance and load tests for enterprise-grade applications and services
Implement and maintain synthetic monitoring solutions to evaluate system availability and user experience
Analyze performance test results and produce clear reports with optimization recommendations




Review performance and monitoring code in Java, JavaScript or TypeScript for compliance with standards
Act as a trusted advisor in defining performance testing strategies and monitoring best practices
Identify performance bottlenecks across applications, APIs and infrastructure, recommending improvements
Enhance test environments, automation frameworks and CI/CD integrations to support continuous testing
Ensure test assets and processes remain scalable, maintainable and aligned with SDLC quality practices

Requirements

Several years of hands-on experience in performance testing or performance engineering roles
Proficiency in Playwright (Java, TypeScript) and Grafana k6 (JavaScript) for performance automation
Experience integrating tests with CI/CD pipelines using GitLab, Jenkins or Bitbucket
Strong understanding of performance engineering principles, APIs, cloud-native applications and networking
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📌 Senior Performance Test Engineer (Madrid)
🏢 Epam Systems
📍 Madrid