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Information Technology - Quality Engineer - Sr

Job in St. Louis, Saint Louis, St. Louis city, Missouri, 63105, USA
Listing for: Apex Systems
Full Time position
Listed on 2026-01-14
Job specializations:
  • IT/Tech
    IT QA Tester / Automation
Job Description & How to Apply Below
Position: Information Technology - Quality Engineer - Sr.
Location: St. Louis

Information Technology - Quality Engineer - Sr.

Join Apex Systems as an experienced Quality Engineer to lead API service testing, automate tests, and drive quality across our products.

Responsibilities
  • Solid Senior Quality Engineer with extensive API service testing experience and data validation.
  • Create test cases and scenarios to validate systems and applications to meet quality standards and prevent defect leakage in production.
  • Develop scalable and reliable automated tests; develop performance testing scripts to ensure products adhere to documented SLO/SLI/SLAs; specify test data needs; create automated regression suites; integrate into CI/CD pipeline.
  • Perform defect analysis and root cause investigation, identify trends, recommend process improvements; analyze functional and non‑functional test results for enhancements; design performance/resilience test strategies and conduct testing to meet SLAs/SLOs.
  • Review test cases for complete functional coverage; review quality section of Production Readiness Review; recommend changes to testing methodologies for effectiveness; ensure thorough and accurate documentation of status and project updates.
  • Follow SDLC and partner closely with Product Owners, Software Engineers, Tech Leads, and Platform Engineers to deliver business commitments.
  • Create, review and validate test data.
Qualifications
  • Bachelor’s degree in a STEM major, Computer Science, Engineering, Mathematics, or an equivalent combination.
  • 5 – 7 years of software testing experience.
  • Experience with test automation tools such as Karate and Cucumber.
  • Experience with continuous integration environments (Jenkins) in public cloud (GCP, AWS, Azure).
EEO Statement

Apex Systems is an equal‑opportunity employer. We do not discriminate on the basis of race, color, religion, creed, sex, age, sexual orientation, gender identity, national origin, citizenship, disability, or any other characteristic protected by law.

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