Performance Engineer

We are seeking a Performance Testing Engineer who is passionate about ensuring the robustness and scalability of our software systems. The ideal candidate will possess a strong background in load testing tools and methodologies, coupled with excellent analytical skills to identify and address performance constraints.

Load Testing Tools Proficiency:

• Proficiency in scripting and executing load tests using a variety of tools, including but not limited to:
  • JMeter / BlazeMeter
  • Locust / Grasshopper
  • CloudTest
  • Load Runner / Performance Center
• Familiarity with managing JMX beans and utilizing tools like jconsole.

Analysis Skills:

• Understanding of performance fundamentals such as response time and throughput.
• Ability to identify common constraint symptoms related to compute, I/O, subsystems, and load balancers.
• Knowledge of synchronous and asynchronous components, with a preference for experience with AWS-related infrastructure like SQS and Lambda.
• Capability to identify performance constraints through metric analysis, including but not limited to:
  • Response time and throughput analysis
  • Resource utilization assessment (compute, I/O, network, storage)
  • Evaluation of JVM garbage collection activities and time allocation
  • Interpretation of thread dump and profiling data.
• Proficiency in explaining performance/load testing methodologies to comprehensively understand an application's performance characteristics and constraints.
• Strategies for ensuring application stability under sustained loads.

Experience Requirements:

• Working knowledge of APM (Application Performance Monitoring) solutions, with familiarity in tools like New Relic, Datadog, AppDynamics, and Dynatrace.
• Proficiency in Java or other JVM-related runtime environments.
• Basic SQL querying skills, preferably with experience in Aurora, MySQL, or Oracle databases.

Preferred Experience:

• Software development experience is preferred.
• Familiarity with both RDBMS and NoSQL systems.
• Experience in creating custom dashboards within metric and visualization platforms such as InfluxDB/Grafana, New Relic Insights, and Datadog.
• Hands-on experience with AWS DynamoDB.
• Experience in system administration, particularly with Linux/Unix environments.
• Proficiency in Unix command-line tools such as lsof, iostat, netstat, sar, grep/egrep, etc.
• Scripting experience in console environments like Bash or Korn.
• Understanding of AWS infrastructure components, including Application ELB, ECS/Fargate, Kubernetes, and Dockerized components.
• Familiarity with Scala is a plus.

Join our dynamic team and contribute to ensuring the optimal performance of our software systems to meet the demands of our growing user base.