Performance Test Engineer: Scale & Optimize Web Apps

INSPYR Solutions; Merrifield (VA); Hybrid; USD 69,000 - 77,000; Full time

Job summary

INSPYR Solutions is seeking a Performance Test Engineer in Vienna, VA, a hybrid role 3 days on-site. You will lead end-to-end performance testing across web and cloud-native apps, design tests, create scripts, and partner with QA, development, and product teams to ensure scalability and production readiness.

The ideal candidate has 4+ years in performance engineering, experience with NeoLoad or similar tools, monitoring with Azure App Insights or Splunk, and strong analytical, troubleshooting,

Qualifications

• 4+ years of experience in software testing with a focus on performance engineering.
• Strong knowledge of performance testing methodologies, including load, stress, endurance, and scalability testing.
• Experience defining performance baselines, SLAs, and workload models.
• Hands-on experience with performance testing tools such as NeoLoad or similar platforms.
• Experience with monitoring and observability tools such as Azure App Insights, Splunk, or equivalent.
• Proficiency with Azure DevOps or similar test management tools.
• Solid understanding of SDLC, STLC, Agile methodologies, DevOps practices, and CI/CD pipelines.
• Strong analytical, troubleshooting, and root‑cause analysis skills.
• Excellent communication and stakeholder management abilities.
• Experience with scripting and automation, including JavaScript‑based performance test development.

Responsibilities

• Design, develop, and execute performance testing strategies and scripts.
• Conduct load, stress, endurance, and scalability testing.
• Analyze performance results to identify bottlenecks, constraints, and optimization opportunities.
• Define realistic performance goals and service-level objectives using production insights.
• Identify performance risks and recommend actionable improvements before production deployment.

Skills

Performance testing

Load testing

Stress testing

Endurance testing

Scalability testing

Analytical skills

Stakeholder comms

Scripting & automation

JavaScript testing

Tools

NeoLoad

Azure DevOps

Azure App Insights

Splunk

CI/CD pipelines

WireMock

Postman

Job description

INSPYR Solutions is seeking a Performance Test Engineer in Vienna, VA, a hybrid role 3 days on-site. You will lead end-to-end performance testing across web and cloud-native apps, design tests, create scripts, and partner with QA, development, and product teams to ensure scalability and production readiness.

The ideal candidate has 4+ years in performance engineering, experience with NeoLoad or similar tools, monitoring with Azure App Insights or Splunk, and strong analytical, troubleshooting,