Performance Tester C2C jobs Phoenix, AZ (Onsite) | Local preferred | Contract

Tech Mirrors; Phoenix (AZ); On-site; USD 34,440 - 68,880; Full time

Job summary

Tech Mirrors is looking for a Performance Tester to join our team in Phoenix, AZ. This long-term contract position offers $50/hr and involves designing and executing performance tests, analyzing application behavior, and collaborating with various teams to improve performance.

The ideal candidate will have strong experience in performance testing and analysis, along with knowledge of load testing tools. If you are adaptable and passionate about technology, we encourage you to apply today!

Qualifications

• Strong understanding of load, stress, endurance, spike, and volume testing.
• Ability to read and interpret logs, metrics, and monitoring dashboards.
• Applied statistics skills including regression analysis.

Responsibilities

• Design and execute various types of performance tests.
• Analyze application behavior under different workload conditions.
• Collaborate with teams to resolve performance issues.

Skills

Performance testing experience

Load and stress testing

Knowledge of web applications and APIs

Familiarity with SQL and scripting

Problem-solving skills

Adaptability and flexibility

Tools

JMeter

LoadRunner

Gatling

Neoload

Google Cloud Platform

Job description

Position Summary

Performance Tester – Phoenix, AZ (Onsite)
Long Term Contract – $50/hr on C2C

Responsibilities

• Design and execute performance, load, stress, soak, and scalability tests.
• Analyze application behavior under peak and normal usage conditions.
• Identify performance bottlenecks in application, database, infrastructure, and network layers.
• Create test plans, test scenarios, scripts, and performance reports.
• Collaborate with development, QA, DevOps, and product teams to resolve performance issues.
• Monitor system metrics such as response time, CPU, memory, throughput, and error rates.
• Recommend tuning, optimization, and capacity‑planning improvements.
• Maintain performance testing tools, frameworks, and environments.
• Support performance testing in CI/CD pipelines where applicable.
• Validate fixes and retest after performance improvements.

Qualifications

• Experience in performance testing and analysis.
• Strong understanding of load, stress, endurance, spike, and volume testing.
• Knowledge of web applications, APIs, databases, and distributed systems.
• Experience with tools such as JMeter, LoadRunner, Gatling, Neoload, or similar.
• Ability to read and interpret logs, metrics, and monitoring dashboards.
• Familiarity with SQL, scripting, and basic programming concepts.
• Understanding of response times, concurrency, latency, and throughput.
• Good problem‑solving, communication, and documentation skills.
• Adaptability and flexibility.
• Aptitude for technology, curiosity, passion, and startup mindset.
• Applied statistics skills: distributions, statistical testing, regression analysis.
• Innovative thinking.

Technical Stack

• Java 8, Spring Boot
• SQL, PostgreSQL, MongoDB
• Google Cloud Platform (GCP)
• Apache JMeter