A QA Automation & Performance Testing Engineer position is available in Chicago, Illinois, United States, offering a long-term contract role within the Information Technology sector. The role requires on-site work from day one and targets highly experienced professionals with strong expertise in automation testing, performance engineering, and cloud-based systems.

The opportunity is offered by Coretek Labs, which provides enterprise technology solutions and staffing services to organizations across various industries. The position supports complex enterprise systems and requires deep knowledge of automation frameworks and performance testing tools. The role offers a contract rate of approximately $60 per hour and is suitable for senior-level engineers with extensive experience in software quality engineering.

About the Role

The QA Automation & Performance Testing Engineer will be responsible for designing and implementing automation frameworks, executing large-scale performance testing, and ensuring the reliability and scalability of enterprise applications. The successful candidate will work closely with development teams to build automated test pipelines, monitor application performance, and identify performance bottlenecks in distributed systems.

The role also involves working with cloud infrastructure and microservices environments while supporting continuous integration and continuous deployment pipelines. Because the position requires senior expertise, candidates must have significant experience with automation tools, performance monitoring systems, and large-scale enterprise software environments.

Responsibilities

• Design and maintain test automation frameworks for enterprise applications
• Develop automated test scripts using programming languages such as Java, Python, JavaScript, Groovy, or TypeScript
• Conduct performance testing and load testing using tools like JMeter and BlazeMeter
• Build and maintain automation pipelines integrated with CI/CD systems
• Collaborate with development teams to ensure application reliability and performance
• Identify and resolve performance bottlenecks in microservices architectures
• Monitor application performance using tools such as Dynatrace, Grafana, Splunk, and Geneos
• Work with cloud infrastructure environments such as AWS and Kubernetes
• Execute testing strategies within Agile development environments
• Maintain documentation and ensure quality assurance standards are met

Required Skills

• 12+ years of experience in QA automation and performance testing
• Strong programming skills in Java, Python, JavaScript, Groovy, or TypeScript
• Experience with automation tools such as Cypress and Selenium
• Expertise in performance testing tools such as JMeter and BlazeMeter
• Experience working with CI/CD tools, including Jenkins, GitHub, and Bitbucket
• Familiarity with development tools such as IntelliJ IDEA and VS Code
• Experience working with cloud platforms such as AWS
• Knowledge of containerized environments using Kubernetes
• Experience testing microservices-based architectures
• Database knowledge, including Oracle and MongoDB
• Experience with monitoring tools like Dynatrace, Grafana, Splunk, and Geneos
• Knowledge of JVM or .NET performance tuning

Click Here to Apply

Conclusion

This QA Automation & Performance Testing Engineer role offers a strong opportunity for experienced quality engineers to work on large-scale enterprise systems in a cloud-based environment. With exposure to advanced testing frameworks, performance engineering tools, and modern DevOps practices, the role is ideal for senior professionals seeking challenging projects within the U.S. technology industry.

RECOMMENDED

• Carnival Amusement Attendant Jobs in USA 2026 ($12.50 to $16.50 per hour)
• Livestock Curator Jobs with Visa Sponsorship in the USA 2026 ($65,000 per year)
• Canada Fruit Farm Worker Jobs with Visa Sponsorship in 2026 (CAD $20 per hour)
• Hong Kong Room Attendant Jobs with Visa Sponsorship 2026 (HKD $16,000 per month)
• Denmark Dairy Farm Worker Jobs with Visa Sponsorship 2026 (EUR 2,800 per month)
• QA Automation & Performance Testing Engineer Job in USA 2026
• Carnival Amusement Attendant Jobs in USA 2026 ($12.50 to $16.50 per hour)
• Data Risk Senior Manager Job in Singapore 2026 | Quick Hiring
• Senior Social Worker Jobs in UK 2026 (£40,000 to £50,000 Annually)