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Senior Quality Engineer; API Testing

Job in Reston, Fairfax County, Virginia, 22090, USA
Listing for: Intellibus
Full Time position
Listed on 2026-07-09
Job specializations:
  • Quality Assurance - QA/QC
    IT QA Tester / Automation
Salary/Wage Range or Industry Benchmark: 90000 - 120000 USD Yearly USD 90000.00 120000.00 YEAR
Job Description & How to Apply Below
Position: Senior Quality Engineer (API Testing)

Imagine working at Intellibus to engineer platforms that impact billions of lives around the world. With your passion and focus we will accomplish great things together!

Our Platform Engineering Team is working to solve the Multiplicity Problem. We are trusted by some of the most reputable and established Fin Tech Firms. Recently, our team has spearheaded the Conversion & Go Live of apps which support the backbone of the Financial Trading Industry.

We are seeking a Quality Engineer (QE) with expertise in Performance Testing, API Testing, and Test Data Management to ensure the highest standards of software quality and reliability.

We are looking for Engineers who can:
  • Design and execute performance and load-testing strategies.
  • Use JMeter, Gatling, or Load Runner for benchmarking and tuning.
  • Analyze bottlenecks and optimize application scalability.
  • Develop and maintain automated API test suites using Postman, Rest Assured, or SoapUI.
  • Validate API responses, schemas, and authentication mechanisms.
  • Work with development teams to implement shift-left testing strategies.
  • Design and implement test data strategies for complex financial applications.
  • Use tools like Delphix, IBM Optim, or Informatica TDM for test data provisioning.
  • Ensure compliance with data masking and security regulations (e.g., GDPR, PCI-DSS).
  • Develop and maintain automated test scripts in Selenium, Cypress, or Playwright.
  • Integrate test suites with Jenkins, Git Hub Actions, or Azure Dev Ops pipelines.
  • Ensure tests run efficiently in cloud-based or containerized environments.
Qualification &

Education:
  • 5+ years of hands-on experience in Performance Testing, API Testing, or Test Data Management
    .
  • Experience in cloud platforms (AWS, Azure, or GCP) and containerized environments (Docker, Kubernetes).
  • Strong analytical skills to troubleshoot performance bottlenecks and API failures
    .
  • Familiarity with SQL and No

    SQL databases
    for data validation and test data generation.
  • Knowledge of security testing best practices and regulatory compliance.
  • Financial services experience is a plus
    .
  • Testing Tools: JMeter, Gatling, Load Runner, Postman, Rest Assured, SoapUI.
Testing Tools
  • Automation Frameworks: Selenium, Cypress, Playwright
Work closely with
  • Test Data Management
  • Test Automation frameworks
  • NFR Testing
  • Test Methodologies
Our Process
  • Schedule a 15-minute Video Call with someone from our Team
  • 4 Proctored GQ Tests (< 2 hours)
  • Slideware (Presentation)
  • 30-45 min Final Video Interview
  • Receive Job Offer

If you are interested in reaching out to us, please apply and our team will contact you within the hour.

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Position Requirements
10+ Years work experience
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