Senior Performance Tester (Venado Tuerto)

We are seeking a highly motivated and skilled Senior Performance Tester with a strong background in scalability and load testing.
In this role, you will design, implement, and automate solutions to rigorously test the performance and resilience of our platform under various load conditions, focusing on store performance, scalability, and stability.
You will work with advanced tools and processes to help our client maintain a leading position in high-performance e-commerce.ResponsibilitiesDevelop and maintain tooling for generating realistic and scalable store test scenarios for performance and load testingDesign, execute, and analyze load tests using tools such as K6 to identify performance bottlenecks and scalability limits, especially in store operationsAutomate metrics collection and reporting to provide clear, actionable insights into platform performance and load test outcomes, ensuring proactive detection of regressionsCollaborate with engineering teams to understand system architecture, identify critical performance paths, and offer data-driven recommendations for improvementContribute to the ongoing enhancement of load testing methodologies, tools, and best practices within the Platform Governance teamDocument test plans, results, and insights in a thorough and organized mannerOptimize identified platform bottlenecks to improve overall system performanceRequirementsAt least 3 years of hands‐on experience in scalability and performance testing, with expertise in load generation, monitoring, and analysisPractical experience with load testing tools, specifically K6Proficiency in at least two of the following programming languages: Go, Scala, and Typescript, with a willingness to work across all threeExperience with monitoring and observability tools such as OpenTelemetry, Prometheus, and ELKBackground in building and maintaining automation for testing, data collection, and reportingFamiliarity with cloud platforms like G
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