Demo

Performance Test Engineer

TSQ Systems Inc
Philadelphia, PA Contractor
POSTED ON 4/28/2026
AVAILABLE BEFORE 5/28/2026

Job Title: Performance Engineer with UI Optimization experience
Location: Philadelphia, PA (Onsite)
Duration: 24 plus months

Job Summary:
We are looking for a skilled Performance Engineer with Site Reliability Engineering (SRE) experience to ensure the scalability, reliability, and performance of applications and systems. The ideal candidate will have hands-on experience in performance testing, monitoring, and system optimization in high-availability environments.

Key Responsibilities:

  • Design and execute performance, load, stress, and scalability testing
  • Analyze system performance and identify bottlenecks
  • Collaborate with development and operations teams to optimize application performance
  • Implement monitoring, alerting, and observability solutions
  • Apply SRE principles to improve system reliability and uptime
  • Conduct root cause analysis and provide performance tuning recommendations
  • Optimize UI responsiveness, page load times, and rendering performance (e.g., reducing latency, improving Core Web Vitals)
  • Automate performance testing and reporting processes
  • Support capacity planning and forecasting

Required Skills & Qualifications:

  • Strong experience in performance testing and engineering
  • Hands-on experience with SRE practices and tools
  • Proficiency in performance testing tools (e.g., JMeter, LoadRunner, or similar)
  • Experience with monitoring tools (e.g., Grafana, Prometheus, or similar)
  • Solid understanding of distributed systems and microservices architecture
  • Knowledge of CI/CD pipelines and DevOps practices
  • Experience in UI performance optimization (e.g., page load optimization, asset optimization, lazy loading, caching strategies)
  • Strong analytical and troubleshooting skills

Preferred Qualifications:

  • Experience working in large-scale, high-traffic environments
  • Familiarity with cloud platforms (AWS, Azure, or Google Cloud Platform)
  • Exposure to front-end performance tools such as Lighthouse, WebPageTest, or browser dev tools

TSQ Systems, is an Equal Opportunities Employer. The organization provides equal employment opportunities regardless of ethnic origin, gender, nationality, religion, physical ability, sexual orientation, marital status, parental status or medical history. As such, we operate a merit-based recruitment system.

Hourly Wage Estimation for Performance Test Engineer in Philadelphia, PA
$43.00 to $51.00
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