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 Postúlate en Kit Empleo: kitempleo.com.ar/empleo/qklpb