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.
Responsibilities
Develop and maintain tooling for generating realistic and scalable store test scenarios for performance and load testing
Design, execute, and analyze load tests using tools such as K6 to identify performance bottlenecks and scalability limits, especially in store operations
Automate metrics collection and reporting to provide clear, actionable insights into platform performance and load test outcomes, ensuring proactive detection of regressions
Collaborate with engineering teams to understand system architecture, identify critical performance paths, and offer data-driven recommendations for improvement
Contribute to the ongoing enhancement of load testing methodologies, tools, and best practices within the Platform Governance team
Document test plans, results, and insights in a thorough and organized manner
Optimize identified platform bottlenecks to improve overall system performance
Requirements
At least 3 years of hands‐on experience in scalability and performance testing, with expertise in load generation, monitoring, and analysis
Practical experience with load testing tools, specifically K6
Proficiency in at least two of the following programming languages: Go, Scala, and Typescript, with a willingness to work across all three
Experience with monitoring and observability tools such as OpenTelemetry, Prometheus, and ELK
Background in building and maintaining automation for testing, data collection, and reporting
Familiarity with cloud platforms like G
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