Senior​/Load​/Integration Test Engineer

Position: Senior Performance / Load / Integration Test Engineer
Role description

Senior Performance / Load / Integration Test Engineer

Lead II - Software Testing

Who We Are:

Born digital, UST transforms lives through the power of technology. We walk alongside our clients and partners, embedding innovation and agility into everything they do. We help them create transformative experiences and human-centered solutions for a better world.

UST is a mission-driven group of 29,000+ practical problem solvers and creative thinkers in more than 30 countries. Our entrepreneurial teams are empowered to innovate, act nimbly, and create a lasting and sustainable impact for our clients, their customers, and the communities in which we live.

With us, you'll create a boundless impact that transforms your career-and the lives of people across the world.

Visit us at

You Are:

UST is looking for a Senior Performance / Load / Integration Test Engineer with 6-10 years of experience.

The opportunity:

• Design and execute performance, load, stress, endurance, and scalability tests.

• Analyze system behavior, identify bottlenecks, and provide performance improvement recommendations.

• Validate end-to-end integration flows across APIs, applications, middleware, and databases.

• Perform API, backend, and data validation for integrated systems.

• Work closely with development, QA, business, and infrastructure teams for issue triage and resolution.

• Prepare test strategy, test scenarios, execution reports, and quality metrics.

• Support SIT/UAT/release cycles and ensure overall system readiness.

This position description identifies the responsibilities and tasks typically associated with the performance of the position. Other relevant essential functions may be required.

What you need:

• Bachelor's Degree in CS or equivalent.

• Strong hands-on experience in Performance Testing / Load Testing / Integration Testing.

• Experience with tools such as JMeter, Load Runner, Neo Load, Postman, SoapUI.

• Good understanding of APIs, microservices, distributed systems, middleware, and databases.

• Experience in SQL, log analysis, monitoring tools, and performance bottleneck identification.

• Exposure to CI/CD pipelines, Agile delivery, and enterprise application testing.

Compensation can differ depending on factors including but not limited to the specific office location, role, skill set, education, and level of experience. UST provides a reasonable range of compensation for roles that may be hired in various U.S. markets as set forth below.

Role

Location:

Remote-US

Compensation Range: $78,000-$117,000

Benefits

Full-time, regular employees accrue a minimum of 10 days of paid vacation per year, receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year), 10 paid holidays, and are eligible for paid bereavement leave and jury duty. They are eligible to participate in the Company's 401(k) Retirement Plan with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance, as well as the following Company-paid Employee Only benefits: basic life insurance, accidental death and disability insurance, and short- and long-term disability benefits.

Regular employees may purchase additional voluntary short-term disability benefits, and participate in a Health Savings Account (HSA) as well as a Flexible Spending Account (FSA) for healthcare, dependent child care, and/or commuting expenses as allowable under IRS guidelines. Benefits offerings vary in Puerto Rico.

Part-time employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) Retirement Plan with employer matching.

Full-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year) and are eligible to participate in the Company's 401(k) program with employer matching. They and their dependents residing in the US are eligible for medical, dental, and vision insurance.

Part-time temporary employees receive 6 days of paid sick leave each year (pro-rated for new hires throughout the year).

All US employees who work in a state or locality with more generous…