Senior Performance Test Engineer

Where does the line fall between a system that works and one that can be trusted under pressure? The Senior Performance Test Engineer role in Madrid sits at the heart of performance assurance for internal clients in financial services. Every application and service must meet expectations for speed, stability and resilience, no matter the load or complexity. You decide how performance insights shape the quality and reliability of what goes live. The person in this role sets the standard for what dependable software means in practice.

This is a hybrid role based in Madrid's city center, ideal for those eager to thrive in a dynamic environment and make a significant impact in private banking technology. Join EPAM and contribute to shaping the future of financial services in Spain!

Support internal clients in designing, developing and executing performance and load tests for business-critical applications and services Design, implement and maintain synthetic monitoring solutions to proactively assess application availability and user experience Create clear, actionable and decision-relevant test reports, including performance analysis and optimization recommendations Review and assess performance test and monitoring code written in Java, JavaScript and TypeScript to ensure quality, maintainability and adherence to standards Act as a trusted advisor to internal stakeholders, supporting them in defining and implementing performance testing and monitoring strategies Analyse performance bottlenecks across applications, APIs, infrastructure and integrations, and provide recommendations for improvement Contribute to the continuous improvement of test environments, automation frameworks, methodologies and best practices Ensure high-quality, stable and maintainable test solutions throughout the entire software delivery lifecycle Degree in Computer Science, Software Engineering or a comparable technical discipline (HF/FH/University) Several years of hands-on experience in performance testing, test automation or software engineering within complex enterprise environments Advanced hands-on experience developing performance and synthetic monitoring solutions with Playwright (Java, TypeScript) and Grafana k6 (JavaScript) Practical experience developing and maintaining CI/CD workflows using Bitbucket, Jenkins or GitLab Strong analytical skills with a structured and methodical approach to troubleshooting and root-cause identification Solid understanding of system architectures, APIs, networking concepts and cloud-native applications Proven ability to communicate performance test results and risks, translating technical findings into business insights Strong knowledge of performance testing methodologies, metrics and monitoring platforms like Grafana, Prometheus or Dynatrace Excellent communication skills with a collaborative, customer-focused working style Fluent English language skills Prior experience in banking or financial services industries Experience with Exense Step for test execution Knowledge of modern observability concepts including OpenTelemetry and distributed tracing Experience working with cloud and container platforms such as Azure and Kubernetes