Performance Test Engineer, Rate $55/hr on C2C, Sacramento, CA, Onsite Project.

Required Skills JMeter, workload modeling, hands-on test execution, bottleneck analysis, API/web performance testing, and performance metrics analysis Preferred Skills Experience with AWS CloudWatch, API Gateway, ECS, RDS/SQL Server, Git, and CI/CD pipelines is preferred Responsibilities Strong hands-on experience with Apache JMeter for performance, load, and stress testing. Experience developing, parameterizing, correlating, and maintaining performance test scripts for web applications and APIs. Ability to develop realistic workload models using transaction volumes, throughput, concurrency, pacing, and peak-load patterns. Hands-on experience executing load, stress, scalability, concurrency, and long-duration endurance testing. ICMS specifically requires sustained peak-load endurance testing of at least 12 hours. Strong performance analysis skills covering response times and percentiles, throughput, error rates, concurrent users, CPU, memory, database connections, waits/locks, and network/application latency. Experience identifying performance bottlenecks, performing root-cause analysis, supporting tuning, and conducting performance retesting. Experience testing integrated systems and interfaces under concurrent and peak workloads. Ability to validate performance results against defined SLAs, performance targets, and acceptance criteria. Experience documenting test scenarios, execution results, performance defects, supporting evidence, and test results. Strong troubleshooting and collaboration skills to work with development, architecture, DevOps, database, infrastructure, and interface teams.