Engineer, Quality Assurance
$72K - $109K/yr
Proficient in performance testing. * Fluency in SQL, data warehousing * Experience creating cogent ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...
$72K - $109K/yr
Proficient in performance testing. * Fluency in SQL, data warehousing * Experience creating cogent ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...
$72K - $109K/yr
Proficient in performance testing. * Fluency in SQL, data warehousing * Experience creating cogent ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...
Bannockburn, IL · On-site
$80K/yr
Manage approved external writers or freelancers, including briefs, editorial direction, quality ... Use available performance insight to improve content effectiveness while preserving the distinction ...
Bannockburn, IL · On-site
$80K/yr
Manage approved external writers or freelancers, including briefs, editorial direction, quality ... Use available performance insight to improve content effectiveness while preserving the distinction ...
Dermsquared is seeking an experienced Freelance Webinar Registration Marketing Specialist to drive ... Create social asset variations for campaign testing and optimization. Performance Optimization
Dermsquared is seeking an experienced Freelance Webinar Registration Marketing Specialist to drive ... Create social asset variations for campaign testing and optimization. Performance Optimization
Dermsquared is seeking an experienced Freelance Webinar Registration Marketing Specialist to drive ... Create social asset variations for campaign testing and optimization. Performance Optimization
Dermsquared is seeking an experienced Freelance Webinar Registration Marketing Specialist to drive ... Create social asset variations for campaign testing and optimization. Performance Optimization
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Chicago, IL · On-site +1
$60/hr
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Chicago, IL · On-site +1
$60/hr
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Quick apply
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Selected freelancers will help evaluate AI-generated code, review programming solutions, and ... Identify bugs, performance issues, and opportunities to improve existing code. * Develop and modify ...
Chicago, IL · On-site
$75K - $107K/yr
... testing and optimization objectives and initiatives, ensuring campaign performance is regularly ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...
Chicago, IL · On-site
$75K - $107K/yr
... testing and optimization objectives and initiatives, ensuring campaign performance is regularly ... Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan ...
Rosemont, IL · On-site
$85K - $100K/yr
Partner with the social, website, PR and performance teams to optimize content for SEO/GEO across ... Stay ahead of search and AI algorithm shifts, testing new approaches to keep Culligan competitive ...
Quick apply
Rosemont, IL · On-site
$85K - $100K/yr
Partner with the social, website, PR and performance teams to optimize content for SEO/GEO across ... Stay ahead of search and AI algorithm shifts, testing new approaches to keep Culligan competitive ...
Rosemont, IL · On-site
$85K - $100K/yr
Partner with the social, website, PR and performance teams to optimize content for SEO/GEO across ... Stay ahead of search and AI algorithm shifts, testing new approaches to keep Culligan competitive ...
Quick apply
Rosemont, IL · On-site
$85K - $100K/yr
Partner with the social, website, PR and performance teams to optimize content for SEO/GEO across ... Stay ahead of search and AI algorithm shifts, testing new approaches to keep Culligan competitive ...
Rosemont, IL · On-site
$85K - $100K/yr
Partner with the social, website, PR and performance teams to optimize content for SEO/GEO across ... Stay ahead of search and AI algorithm shifts, testing new approaches to keep Culligan competitive ...
Rosemont, IL · On-site
$85K - $100K/yr
Partner with the social, website, PR and performance teams to optimize content for SEO/GEO across ... Stay ahead of search and AI algorithm shifts, testing new approaches to keep Culligan competitive ...
Rosemont, IL · On-site
$85K - $100K/yr
Set organic performance targets, monitor results, and translate data into a prioritized content and ... Experience managing agency/freelance partners. * Comfort building and running content workflows and ...
Rosemont, IL · On-site
$85K - $100K/yr
Set organic performance targets, monitor results, and translate data into a prioritized content and ... Experience managing agency/freelance partners. * Comfort building and running content workflows and ...
A Freelance Performance Testing job involves assessing the speed, stability, scalability, and responsiveness of applications or systems under varying workloads. Freelancers in this role typically use tools like JMeter, LoadRunner, or Gatling to simulate real-world user traffic and identify performance bottlenecks. They work independently with different clients, analyzing performance issues and providing recommendations for optimization. This role requires strong analytical skills, experience with performance testing frameworks, and the ability to interpret test results effectively.
To thrive as a Freelance Performance Testing professional, you need strong analytical skills, expertise in software testing methodologies, and a background in computer science or related fields. Experience with performance testing tools such as JMeter, LoadRunner, or Gatling, and relevant certifications like ISTQB or specialized performance testing credentials are highly valuable. Effective communication, time management, and the ability to clearly report findings to both technical and non-technical stakeholders distinguish top freelancers in this field. These skills ensure accurate assessment of application performance, timely delivery of projects, and clear client collaboration, all of which are crucial for repeat business and reputation.
Freelance performance testers working remotely often encounter challenges such as gaining access to secure testing environments, aligning with client teams across different time zones, and collecting comprehensive requirements for test scenarios. Communication barriers may arise, requiring clear documentation and proactive status updates to keep stakeholders informed. Additionally, freelancers need to manage their own schedules and resources to deliver high-quality results within tight deadlines. Overcoming these challenges requires strong organizational skills, adaptability, and the ability to quickly build rapport with client teams to ensure smooth project delivery.
The most popular types of Performance Testing jobs in Illinois are:
For Freelance Performance Testing jobs in Illinois, the most frequently searched job titles are:
The top searched job categories for Freelance Performance Testing jobs in Illinois are:
Cities in Illinois with the most Freelance Performance Testing job openings:

Chicago, IL
$72K - $109K/yr
Full-time
Medical, Dental, Vision, Retirement, PTO
Re-posted 6 days ago
Exercise planned and exploratory tests to validate data pipeline functionality, data warehousing, ETL scripts and workflows, Tableau setups and data.
Create documentation for test plans, test charters, risk assessments, and maintain testing artifacts using best practices.
Design and execute data QA tests, code QA tests, and workflow QA tests to ensure the fitness and stability of services and components.
6.1
Based on 5 frontline employees who took The Breakroom Quiz
Publicis Media Exchange (PMX) is the global media platform for Publicis Groupe [Euronext Paris FR0000130577, CAC 40]. PMX is an omnichannel activation powerhouse that drives smart application of investment through leveraging scale, marketplace innovation, deeper partnerships and knowledge. PMX is at the forefront of the converging marketplace building data-informed, tech-enabled media to help marketers connect with consumers in a measurable way.
OverviewWe are seeking a QA Engineer with strong expertise in both manual and automated testing. This role is critical in ensuring the quality and accuracy of our end-to-end data pipelines as well as our BI layer/Tableau. You will be responsible for designing and executing test strategies, developing automation and manual scripts, and collaborating across teams such as Product Owners and other Engineers to deliver high-quality digital experiences and standards. Your work will directly impact the reliability and performance of our digital products.
ResponsibilitiesAdditional Desired Experience:
Scrum project management
Our Publicis Groupe motto "Viva La Difference" means we're better together, and we believe that our differences make us stronger. It means we honor and celebrate all identities, across all facets of intersectionality, and it underpins all that we do as an organization. We are focused on fostering belonging and creating equitable & inclusive experiences for all talent.
Publicis Groupe provides robust and inclusive benefit programs and policies to support the evolving and diverse needs of our talent and enable every person to grow and thrive. Our benefits package includes medical coverage, dental, vision, disability, 401K, as well as parental and family care leave, family forming assistance, tuition reimbursement, and flexible time off.
If you require accommodation or assistance with the application or onboarding process specifically, please contact USMSTACompliance@publicis.com. All your information will be kept confidential according to EEO guidelines.
Compensation Range: $72,390 - $109,480 annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. Temporary roles may also qualify for participation in our 401(k) plan after eligibility criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 10/21/2025
Compensation Range: USD $72,390.00 - USD $109,480.00/Annually. This is the pay range the Company believes it will pay for this position at the time of this posting. Consistent with applicable law, compensation will be determined based on the skills, qualifications, and experience of the applicant along with the requirements of the position, and the Company reserves the right to modify this pay range at any time. Temporary roles may be eligible to participate in our freelancer/temporary employee medical plan through a third-party benefits administration system once certain criteria have been met. For regular roles, the Company will offer medical coverage, dental, vision, disability, 401k, and paid time off. The Company anticipates the application deadline for this job posting will be 10/25/2025.Employment Type: OTHERGet the full story on Breakroom
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Advertising and public relations services and public relations agencies
10,000+ Employees
Paris, IDF, FR