Vonage

Lead Performance Tester, SDET

Vonage

full-time

Posted on:

Location Type: Remote

Location: United States

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Job Level

Senior

Tech Stack

AWSCloudDistributed SystemsEC2GrafanaJavaJenkinsJMeterKafkaMicroservicesPythonRabbitMQTypeScript

About the role

  • Define and lead the performance engineering strategy across high-availability, cloud-native telecom platforms
  • Lead, train, and coordinate a distributed guild of SDETs
  • Design, develop, and evolve scalable backend performance frameworks using k6, Python, Java, or TypeScript
  • Implement and manage production traffic replay strategies
  • Own and drive performance, load, stress, endurance, scalability, and resilience testing
  • Validate real-time communication systems, event-driven architectures (Kafka, RabbitMQ)
  • Integrate performance testing into CI/CD pipelines
  • Leverage observability tooling (Grafana, CloudWatch, Coralogix, VictoriaMetrics, PMM)
  • Establish performance benchmarks, SLAs, SLOs, and error budgets
  • Collaborate with architecture and data teams to identify bottlenecks
  • Analyse and optimise performance across both legacy monolith systems and modern microservices architectures

Requirements

  • Proven experience mentoring and coordinating testing efforts across large, distributed engineering teams
  • Strong hands-on experience with AWS cloud services (EC2, ECS, RDS, API Gateway)
  • Proven expertise in performance testing tools (specifically k6, along with JMeter or Gatling)
  • Hands-on experience with production traffic shadowing or replay tools (such as GoReplay)
  • Deep experience testing distributed systems, message brokers (Kafka, RabbitMQ), microservices architectures, and high-volume, low-latency APIs
  • Solid backend programming and scripting skills in Python, Java, or TypeScript
  • Strong understanding of system design, concurrency, throughput, latency, and fault tolerance principles
  • Experience implementing performance testing within CI/CD pipelines (Jenkins, GitHub Actions)
  • Hands-on experience with observability and monitoring tools (Grafana, Coralogix, PMM)
  • Experience working within Agile environments
Benefits
  • Health insurance
  • 401(k) matching
  • Flexible work hours
  • Paid time off
  • Remote work options
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
performance engineeringbackend performance frameworksk6PythonJavaTypeScriptperformance testingsystem designconcurrencyfault tolerance
Soft Skills
mentoringcoordinationcollaboration