Cellebrite Senior Performance Engineer 

Israel, Center District, Petah Tikva 

270191602

Position Overview:

We are looking for ato design, implement, and scale performance and automation testing practices across our platform. This is a highly technical and hands-on role that requires deep expertise in AWS services (including Lambda, EKS, and S3), infrastructure-as-code (Terraform, Helm), and modern automation and performance testing tools.

Responsibilities:

• 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.