Performance Analyst focusing on performance testing and scalability for supply chain software at Tecsys. Engaging with technology and logistics to enhance performance metrics.
Responsibilities
Design and execute performance, load, stress, and endurance tests, and publish key metrics
Develop performance test plans and realistic load models based on WMS flows and operational patterns
Build and maintain reusable test assets with JMeter (APIs) and Playwright (UI flow validation when required)
Analyze bottlenecks at the application, PostgreSQL database, and Kubernetes/AWS infrastructure levels; lead root-cause analyses and formulate recommendations
Leverage logs, metrics, and APM tools (e.g., Datadog) to validate regressions and confirm improvements
Requirements
5+ years of proven experience in performance and scalability testing / performance engineering
Strong ability to independently determine what to measure, how to execute tests, and how to interpret results
Deep knowledge of the supply chain domain and Warehouse Management Systems (WMS) (required) — understanding of warehouse operations and common workflow variations
Experience with enterprise applications in Kubernetes and cloud environments (preferably AWS)
Experience with tools such as JMeter, Playwright, and monitoring/APM tools (Datadog or equivalent)
Strong hands-on expertise with JMeter (test design, correlation, parameterization, data-driven execution, reporting and analysis)
Experience using Playwright for UI automation and validation of flows (smoke tests and critical paths)
Proficiency in Java for troubleshooting, testing, and understanding application behavior
Proficiency in Python for scripting, automation utilities, and analysis
Strong knowledge of PostgreSQL and performance investigation techniques (slow queries, locks/concurrency, indexing, connections)
Experience testing REST and SOAP services
Knowledge of Kubernetes and AWS concepts related to performance and scalability
Excellent communication and collaboration skills with multidisciplinary teams
Proactive, structured approach focused on problem-solving and root-cause analysis
Strong attention to detail; ability to manage multiple tasks and priorities
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