20763 - Performance Engineer

Qualitest is the world’s leading AI-powered Quality Engineering company.

With 8,000+ experts worldwide and 1,500 in Israel, we partner with top global brands to deliver smarter, faster, and more reliable technology solutions.

We’re Hiring: Performance Engineering Expert based in Raanana to design and implement robust performance engineering frameworks capable of operating in live environments, with a strong emphasis on real-time performance validation, KPI analysis, and automated load generation using containerised infrastructure.

Responsabilites

• Develop performance testing frameworks for live / production-like environments.
• Framework to handle load, stress, spike, stability, and scalability testing across distributed systems.
• Define and measure performance KPIs including Network time (e.g., first time to buffer), 90th/95th/99th percentile response times, Throughput rate and latency
• Build framework to help analyse regressions between builds and recommend tuning strategies.
• Create containerised load generation environments using Docker and Kubernetes.
• Automate test execution and environment provisioning via CI/CD pipelines.
• Recommend scaling configurations based on telemetry and performance trends.
  
  

• Extensive experience with performance testing tools such as K6, Gatling, JMeter, NeoLoad, or LoadRunner.
• Strong background in performance testing and engineering principles.
• Deep understanding of testing methodologies: load, stress, spike, stability, scalability.
• Proficiency in KPI analysis, including percentile response times, throughput, latency, and network time.
• Experience with regression analysis and performance tuning.
• Hands-on experience with container orchestration technologies: Kubernetes and Docker.
• Experience working with CI/CD pipelines: Jenkins, GitHub Actions, Terraform.
• Strong programming/scripting skills in Python, Bash, and JavaScript.
• Experience with live environment testing and observability tools.
• Familiarity with cloud platforms: GCP, AWS, Azure.
  
  

• Grow your career in a stable, innovative environment
• Collaborate closely with clients to deliver smart, high-quality solutions
• Make an impact in a dynamic, learning-driven environment
• Be part of a human, value-driven organization that cares