Senior Performance Engineer

Cellebrite

full-time

Posted on: 9/22/2025

Origin: • 🇮🇱 Israel

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Senior

AWSCloudCypressDistributed SystemsGrafanaJavaScriptJenkinsJMeterMicroservicesPrometheusPythonSeleniumTerraform

About the role

Contribute to the design and evolution of end-to-end test automation and performance strategy for complex distributed systems.
Implement scalable automation frameworks for UI, API, and integration testing using modern tools (e.g., Selenium, Cypress, Playwright).
Lead performance testing initiatives using tools like JMeter, k6, Gatling, and troubleshoot system bottlenecks.
Integrate automation and performance tests into CI/CD pipelines using GitHub Actions, Jenkins, or equivalent.
Work with AWS services (Lambda, EKS, S3, RDS, API Gateway, etc.) and infrastructure-as-code via Terraform and Helm.
Collaborate with R&D, DevOps, and QA to align on quality goals and adopt best practices across services.
Define and execute test level scenarios (unit, integration, system, performance, chaos).
Build observability into the testing and performance lifecycle using Grafana, Prometheus, Datadog, etc.
Ensure high test coverage and system-wide visibility into resilience, scalability, and performance.

6+ years of experience in software quality, test automation, and performance engineering.
Strong hands-on expertise with AWS services: Lambda, EKS, S3, CloudWatch, RDS, etc.
Proficiency with Terraform, Helm, and Git-based workflows (GitHub Actions).
Experience with microservices, REST APIs, and asynchronous messaging systems in distributed cloud environments.
Solid background in automation tools (Selenium, Cypress, Playwright) and performance testing tools (JMeter, k6, Locust).
Strong coding/scripting skills (Python, JavaScript, or similar).
Experience with observability and APM tools (Datadog, Grafana, Prometheus).
Familiarity with chaos testing, failover validation, and resiliency patterns.
Exposure to security/performance hardening of services in production.
Strong collaboration skills across R&D, DevOps, and QA.
“Can-do” mindset, with the ability to solve problems proactively and independently.
Excellent written and verbal communication skills.