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Performance Engineering Jobs in Illinois (NOW HIRING)

... engineering activities to improve the performance of Project drive. Qualifications Additional Information All your information will be kept confidential according to EEO guidelines.

Excellent communication skills Looking for a help from the resource on Re-Architecture/Flow design Support of algorithms/solutions Drive the performance engineering activities to improve the ...

Chicago, IL Duration: 06 Month RTH Job Responsibilities: 2 round of interviews 1 with manager and her lead 2 will be Panel with engineering team Payment Tech Team looking for a performance tester a ...

Nexamp is seeking an Electrical Performance Engineer who will be a deep technical independent ... In this role, you will apply advanced electrical engineering analysis to operating systems in the ...

Nexamp is seeking an Electrical Performance Engineer who will be a deep technical independent ... In this role, you will apply advanced electrical engineering analysis to operating systems in the ...

We are seeking to grow our Performance Engineering Team, which is focused on a rigorous and holistic approach to improving software, hardware, and strategy performance. This team is responsible for ...

We are seeking to grow our Performance Engineering Team, which is focused on a rigorous and holistic approach to improving software, hardware, and strategy performance. This team is responsible for ...

Performance Engineer Individual to provide technical support in the development of Tier 4 Aftertreatment urea injection hardware and software strategies. Specific responsibilities will be developing ...

Required : • BS/MS/PhD in technical field - Computer Science, Math, Physics, Engineering • ... for testing performance • Highly collaborative in nature - excellent written and verbal ...

Working to set up an automation stream that will run the same modules in parallel to the cloud. - Performance Engineers with a lot of Cloud (AWS) project experience - They need to be strong with ...

Required : • BS/MS/PhD in technical field - Computer Science, Math, Physics, Engineering • ... for testing performance • Highly collaborative in nature - excellent written and verbal ...

As a Performance Engineer in Test, this role will have a breadth of knowledge and success in conducting functional, performance, and fault tolerance testing as well as the ability to comprehend ...

Performance Engineer

Pekin, IL · On-site

$98K - $162K/yr

Interface with engineering resources outside of the station to support/implement performance improvement initiatives. * Work effectively in a team environment as a leader, member and/or facilitator.

Interface with engineering resources outside of the station to support/implement performance improvement initiatives. * Work effectively in a team environment as a leader, member and/or facilitator.

Performance Engineer

Pekin, IL · On-site

$98K - $162K/yr

Interface with engineering resources outside of the station to support/implement performance improvement initiatives. * Work effectively in a team environment as a leader, member and/or facilitator.

Performance Engineer

Pekin, IL · On-site

$98K - $162K/yr

Interface with engineering resources outside of the station to support/implement performance improvement initiatives. * Work effectively in a team environment as a leader, member and/or facilitator.

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Performance Engineering information

See Illinois salary details

$10

$58

$95

How much do performance engineering jobs pay per hour?

As of Jul 26, 2026, the average hourly pay for performance engineering in Illinois is $58.24, according to ZipRecruiter salary data. Most workers in this role earn between $47.74 and $65.91 per hour, depending on experience, location, and employer.

What does a performance engineer do?

A performance engineer is responsible for analyzing, testing, and optimizing software and systems to ensure they meet performance requirements. They use tools like load testing and monitoring software to identify bottlenecks and improve system efficiency, often working closely with development and operations teams. Strong skills in scripting, performance testing tools, and understanding of system architecture are essential for this role.

How does a Performance Engineer typically collaborate with development and operations teams to resolve application bottlenecks?

Performance Engineers play a vital role in bridging the gap between development and operations teams. They work closely with developers to analyze application code and identify potential performance issues early in the development lifecycle. Additionally, they partner with operations teams to monitor system performance in production, interpret logs, and recommend infrastructure or configuration changes. This collaborative approach helps ensure that performance bottlenecks are identified and addressed quickly, leading to more reliable and scalable applications.

What engineers make $200,000 a year?

Performance engineers, especially those with extensive experience, advanced skills in performance testing, and certifications, can earn $200,000 or more annually. High salaries are often associated with roles in large organizations, specialized expertise in tools like LoadRunner or JMeter, and the ability to optimize complex systems under demanding conditions.

What engineers make $300,000 a year?

Performance engineers, especially those with extensive experience, advanced skills in automation, and expertise in tools like load testing and monitoring, can earn $300,000 or more annually. Such high salaries are typically found in senior or specialized roles within large tech companies or consulting firms, often requiring certifications and a strong track record of delivering performance improvements.

What is performance engineering?

Performance engineering is a discipline in software and systems development focused on ensuring applications and systems meet required speed, scalability, and stability standards. It involves analyzing, designing, testing, and optimizing performance throughout the software development lifecycle. Performance engineers use specialized tools and methodologies to detect bottlenecks, simulate real-world loads, and recommend improvements. Their goal is to deliver reliable, high-performing products to end users.

What are the key skills and qualifications needed to thrive as a Performance Engineer, and why are they important?

To thrive as a Performance Engineer, you need strong analytical abilities, expertise in software performance testing, and a background in computer science or a related field. Familiarity with tools like JMeter, LoadRunner, APM solutions, and scripting languages is typically required, along with relevant certifications such as ISTQB Performance Testing. Exceptional problem-solving skills, attention to detail, and effective communication help you identify bottlenecks and collaborate with development teams. These skills are crucial for ensuring applications meet performance standards and deliver a seamless user experience.

What is the difference between Performance Engineering vs Performance Testing?

AspectPerformance EngineeringPerformance Testing
FocusDesigning, developing, and implementing strategies to ensure system performance throughout the development lifecycleExecuting tests to measure system performance under specific conditions
ActivitiesPerformance planning, monitoring, optimization, and capacity planningLoad testing, stress testing, and benchmarking
Skills & CertificationsPerformance testing tools, scripting, monitoring, performance analysisPerformance testing tools, scripting, test execution
Work EnvironmentCollaborates with developers, architects, and operations teamsPrimarily testing teams and QA departments

Performance Engineering involves proactive strategies to optimize system performance throughout development, while Performance Testing focuses on evaluating system performance through specific tests. Both roles require similar skills but differ in scope and objectives, with Performance Engineering being more comprehensive and ongoing.

What engineering jobs pay $500,000?

Performance engineering roles at senior levels, such as Principal Performance Engineer or Director of Performance Engineering, can reach or exceed $500,000 annually, especially in large tech companies or financial institutions. These positions typically require extensive experience, advanced skills in systems optimization, and often involve leadership responsibilities and specialized certifications. Compensation may include base salary, bonuses, and stock options.
What are the most commonly searched types of Performance Engineering jobs in Illinois? The most popular types of Performance Engineering jobs in Illinois are:
Infographic showing various Performance Engineering job openings in Illinois as of July 2026, with employment types broken down into 89% Full Time, 8% Part Time, and 3% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $121,146 per year, or $58.2 per hour.
Java/Performance Engineering

Java/Performance Engineering

Sonsoft Inc

Bloomington, IL

Full-time

Posted 2 days ago


Job description

Company Description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description
  • At least 7 years of experience in technology consulting, enterprise and solutions architecture and architectural frameworks
  • At least 7 years experience of Core Java, J2EE applications.
  • At least 7 years experience in Websphere (WAS) configuration commands (performance tuning related)
  • At least 7 years experience in Performance Tuning of Complex web applications, Service Oriented Architecture (especially SOAP Web Services),
  • At least 7 years expereience in RDBMS and SQL tuning, JVM Heap/memory, Thread Dump, Network latency analysis
  • URL profiling using F12 (browser debugger) tools
  • At least 7 years experience in doing deep dive analysis of Code and Configuration to identify tuning opportunities, propose and code solutions (expertise in APM tools like dynaTrace will be an added advantage)
  • Team player who can work with diverse stakeholders (like business owners/ITS) groups and independently with less supervision and direction
  • Capable of setting up performance related processes/guidelines including onboarding technology teams to these processes/guidelines.
  • Quick learner to pick up framework of proprietary Policy Admin System (Java based) to identify and resolve performance issues.
  • should have knowledge and able to suggest performance improvement through server virtualization, other techniques that are cost efficient.
  • At least 5 years of experience in project execution
  • Experience in defining new architectures and ability to drive an independent project from an architectural stand point
  • At least 7 years of experience in thought leadership, white papers and leadership/mentoring of staff and internal consulting teams
Qualifications
  • Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
  • At least 7 years of experience with Java technologies.
Additional Information

** U.S. citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Note:-

  1. This is a Full-Time Permanent job opportunity for you.
  2. Only US Citizen, Green Card Holder, GC-EADH4-EAD & L2-EAD can apply.
  3. No OPT-EAD, TN Visa & H1B Consultants please.
  4. Please mention your Visa Status in your email or resume.

Sonsoft logo

About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007