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Performance Tester Jobs in Delaware (NOW HIRING)

Innospec Inc.

Chemist

Newark, DE · On-site

Conducting Application Testing: Perform evaluations to help customers determine the optimum product and treat rate to meet quality and performance targets. * Data analysis and interpretation:

Agilent

Software Test Engineering Manager

Wilmington, DE · On-site +1

$150K - $281K/yr

Define and implement the overall test strategy, including functional, integration, regression, performance, and automated testing * Establish and communicate test plans, schedules, resource estimates ...

Agilent

Software Test Engineering Manager

Wilmington, DE · On-site

$150K - $281K/yr

Define and implement the overall test strategy, including functional, integration, regression, performance, and automated testing * Establish and communicate test plans, schedules, resource estimates ...

Kosmos

Digital Marketing Manager

Wilmington, DE

$70K - $100K/yr

Utilize internal and external design teams for landing page creation, optimization, and continuous A/B testing to improve ad campaign performance. * Manage and expand profitable affiliate and ...

Kosmos

Digital Marketing Manager

Wilmington, DE

$70K - $100K/yr

Utilize internal and external design teams for landing page creation, optimization, and continuous A/B testing to improve ad campaign performance. * Manage and expand profitable affiliate and ...

Osair Technologies LLC

Assembler

Newark, DE

$15.75 - $19.25/hr

... inspection, assembly, testing, repairing or calibration of electronic, mechanical and ... Maintenance of accurate records of work performance including logs, worksheets, inspection reports ...

Osair Technologies LLC

Assembler

Newark, DE · On-site

$15.75 - $19.25/hr

... inspection, assembly, testing, repairing or calibration of electronic, mechanical and ... Maintenance of accurate records of work performance including logs, worksheets, inspection reports ...

Mayzon

DE · On-site

$69K - $89K/yr

... ensure consistent product performance throughout the life cycle of the product. Key ... Mechanical testing * Load test (rod, hook, shelf, caddy) * Drop test * Durability cycle test

Vista Robotics

Software QA Intern

Seaford, DE · On-site

$18.25 - $23.75/hr

As a Software QA Intern at Vista Robotics, you will be involved in testing and analyzing software applications to identify and resolve any issues. Your work will directly impact the performance and ...

Vista Robotics

Software QA Intern

Newark, DE · On-site

$18.75 - $24.75/hr

As a Software QA Intern at Vista Robotics, you will be involved in testing and analyzing software applications to identify and resolve any issues. Your work will directly impact the performance and ...

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All JobsPerformance Tester JobsPerformance Tester Jobs in Delaware

Performance Tester information

See Delaware salary details

$11

$47

$69

How much do performance tester jobs pay per hour?

As of Jul 17, 2026, the average hourly pay for performance tester in Delaware is $47.58, according to ZipRecruiter salary data. Most workers in this role earn between $37.55 and $56.06 per hour, depending on experience, location, and employer.

What are Performance Testers?

Performance Testers are IT professionals who evaluate the speed, responsiveness, and stability of computer systems, software applications, or networks under a particular workload. Their main role is to ensure that products meet defined performance criteria before they are released, identifying bottlenecks and recommending improvements. Performance Testers use specialized testing tools to simulate various user loads and analyze how a system behaves under stress. This helps organizations deliver reliable and efficient software that performs well under expected and peak usage conditions.

How much do performance testers make in the US?

Performance testers in the US typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Entry-level roles may start around $60,000, while senior positions with specialized skills can exceed $130,000.

Will AI replace performance testing?

Performance testers analyze system behavior under load, and while AI can assist in automating data analysis and identifying issues, it is unlikely to fully replace the role. Human expertise remains essential for designing test scenarios, interpreting results, and making strategic decisions. AI tools are best used to augment performance testing processes rather than replace testers entirely.

Is performance testing a good career?

Performance testing is a valuable career in software quality assurance, focusing on evaluating system speed, stability, and scalability using tools like JMeter or LoadRunner. It requires technical skills, understanding of software architecture, and often involves certifications, making it a stable and in-demand field for those interested in software performance and reliability.

What does a performance tester do?

A performance tester evaluates software applications to ensure they meet speed, stability, and scalability requirements. They design and execute tests using tools like JMeter or LoadRunner, analyze results, and identify bottlenecks to improve system performance. Strong analytical skills and knowledge of testing methodologies are essential for this role.

What are some common challenges faced by Performance Testers during large-scale application testing?

Performance Testers often encounter challenges such as accurately simulating real-world user loads, identifying bottlenecks in complex environments, and managing test environments that closely mirror production. Coordinating with development, DevOps, and business teams is essential to ensure that test scenarios reflect actual usage patterns. Additionally, interpreting test results to provide actionable insights requires a strong understanding of both the application architecture and underlying infrastructure.

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

To thrive as a Performance Tester, you need a solid grasp of software testing principles, scripting, and analysis, typically supported by a background in computer science or related fields. Familiarity with performance testing tools like JMeter, LoadRunner, and monitoring systems, as well as relevant certifications such as ISTQB, is highly valuable. Strong analytical thinking, attention to detail, and effective communication ensure thorough test execution and clear reporting of performance issues. These skills are crucial for identifying and resolving system bottlenecks, ensuring reliable software performance under varying loads.

What is the difference between Performance Tester vs QA Tester?

AspectPerformance TesterQA Tester
CertificationsISTQB, LoadRunner, JMeter certificationsISTQB, ISTQB Foundation, or ISTQB Agile certifications
Work EnvironmentFocus on testing system performance, load, and scalabilityFocus on overall software quality, functionality, and bug detection
Industry UsageCommon in software development, IT, and tech companiesWidespread across various industries including tech, finance, healthcare

Performance Testers specialize in evaluating system performance under load, while QA Testers focus on overall software quality and bug detection. Both roles are essential in ensuring software reliability, but Performance Testers concentrate on speed, scalability, and stability, whereas QA Testers ensure the product meets quality standards across all aspects.

What Is a Performance Tester?

A performance tester determines the speed or effectiveness of a network, computer, or software program and makes sure it meets performance criteria. They often work as a team, and their job duties involve conducting tests on an application or software, such as load testing for response time, and monitoring the results. A performance tester may work in the automotive or manufacturing industries, but many find their career in information technology.

More about Performance Tester jobs
What are popular job titles related to Performance Tester jobs in Delaware? For Performance Tester jobs in Delaware, the most frequently searched job titles are:
What job categories do people searching Performance Tester jobs in Delaware look for? The top searched job categories for Performance Tester jobs in Delaware are:
What are popular job titles related to Performance Tester jobs in DE? For Performance Tester jobs in DE, the most frequently searched job titles are:
Performance Tester jobs near you
Automation Quality Assurance manager - SVP

Automation Quality Assurance manager - SVP

Citigroup, Inc.

New Castle, DE • On-site

$156K - $234K/yr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 4 days ago

Job description

The Test Manager is accountable for management of complex/critical/large professional disciplinary areas. Leads and directs a team of professionals. Requires a comprehensive understanding of multiple areas within a function and how they interact in order to achieve the objectives of the function. Applies in-depth understanding of the business impact of technical contributions. Strong commercial awareness is a necessity. Generally accountable for delivery of a full range of services to one or more businesses/ geographic regions. Excellent communication skills required in order to negotiate internally, often at a senior level. Some external communication may be necessary. Accountable for the end results of an area. Exercises control over resources, policy formulation and planning. Primarily affects a sub-function. Involved in short- to medium-term planning of actions and resources for own area. Full management responsibility of a team or multiple teams, including management of people, budget and planning, to include performance evaluation, compensation, hiring, disciplinary actions and terminations and budget approval.
Responsibilities:
  • Leads initiatives related to User Acceptance Testing (UAT) process and product rollout into production. Testing specialists who work with technology project managers, UAT professionals and users to design and implement appropriate scripts/plans for an application testing strategy/approach.
  • Manages multiple testing teams or a testing functional area (depending on size of business).
  • Resolves complex and variable issues with substantial potential impact.
  • Collaborates with other testing areas, development teams, IT project managers, business partners and external vendors suppliers.
  • Develops testing standards and ensures compliance.
  • Creates detailed plans for managing cross testing team dependencies.
  • Exhibits in-depth understanding of concepts and procedures within own area and basic knowledge of these elements in other areas.
  • Requires in-depth understanding of how IT testing integrates within overall technology and has commercial awareness.
  • Evaluates subordinates' performance and makes decisions on pay increases, promotions, terminations, etc.
  • Uses evaluative judgment in complicated or novel situations; uses multiple sources of information.
  • Impacts IT testing through planning, finances budget, end results and setting policies.
  • Requires developed communication skills to negotiate with others at a senior level; may communicate with external parties.
  • Appropriately assess risk when business decisions are made, demonstrating particular consideration for the firm's reputation and safeguarding Citigroup, its clients and assets, by driving compliance with applicable laws, rules and regulations, adhering to Policy, applying sound ethical judgment regarding personal behavior, conduct and business practices, and escalating, managing and reporting control issues with transparency, as well as effectively supervise the activity of others and create accountability with those who fail to maintain these standards.

Qualifications:
  • 10+ years experience within a testing environment.
  • Senior to advanced level experience in an IT Testing role with commensurate experience in people management.
  • In-depth understanding of Systems Development Life Cycle processes.
  • Thorough understanding of end to end testing processes, Quality Center and other testing related tools
  • Consistently demonstrates clear and concise written and verbal communication skills
  • Excellent persuasive, influencing and negotiation skills.
  • High analytical skills.
  • Proven team player skills with a track record of a leadership role delivering to tight deadlines and with high quality.

Education:
  • Bachelor's/University degree, Master's degree preferred

  • Demonstrated expertise in Payments Tech - Payments platforms, payment gateways, digital wallets.
  • Strong experience with test automation tools and frameworks.
  • Familiarity with CI/CD Pipelines and DevOps Practices
  • Experience working in Agile/Scrum environments
  • Experience working with Cloud Platforms
  • Track record of transforming manual QA into Automated testing organizations

Job Family Group:
Technology
Job Family:
Applications Development
Time Type:
Full time
Primary Location:
New Castle Delaware United States
Primary Location Full Time Salary Range:
$156,160.00 - $234,240.00
In addition to salary, Citi's offerings may also include, for eligible employees, discretionary and formulaic incentive and retention awards. Citi offers competitive employee benefits, including: medical, dental & vision coverage; 401(k); life, accident, and disability insurance; and wellness programs. Citi also offers paid time off packages, including planned time off (vacation), unplanned time off (sick leave), and paid holidays. For additional information regarding Citi employee benefits, please visit citibenefits.com. Available offerings may vary by jurisdiction, job level, and date of hire.
Most Relevant Skills
Please see the requirements listed above.
Other Relevant Skills
A/B Testing, Functional Testing, Payment Handling, Quality Assurance (QA), Quality Assurance (QA) Standards, Quality Assurance Management (QAM), Regression Testing.
Anticipated Posting Close Date:
Dec 18, 2025
Citi is an equal opportunity employer, and qualified candidates will receive consideration without regard to their race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or any other characteristic protected by law.
If you are a person with a disability and need a reasonable accommodation to use our search tools and/or apply for a career opportunity review Accessibility at Citi.
View Citi's EEO Policy Statement and the Know Your Rights poster.

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