Senior QA Engineer - API & Automation Expert

Quantum Technologies. LLC; Cincinnati (OH); On-site; USD 90,000 - 130,000; Full time

Job summary

Quantum Technologies. LLC is seeking a senior QA engineer to lead automation and manual testing across the stack. You will design and execute tests for RESTful APIs, integrate automated frameworks (Selenium, Cypress, CodeceptJS), and ensure data integrity with SQL/Oracle databases.

Strong Java expertise and OO design knowledge are essential for multi-layer system validation. The role emphasizes Agile practices (Scrum/Kanban) and cloud familiarity (Azure).

Qualifications

• 5+ years of Java-based QA experience.
• Hands-on QA with Agile Scrum/Kanban.
• Experience with automated testing (REST APIs, integration tests).
• Experience with Selenium, Cypress, or CodeceptJS.
• Proficient in SQL and Oracle databases.
• REST API testing with RestAssured or Postman.
• Cloud familiarity, Azure preferred.
• Strong understanding of OO design and testing concepts.
• 5+ years multi-layer tech stack experience.

Skills

Agile/Scrum/Kanban

QA engineering

Automation testing

REST API testing

Java

OO design concepts

End-to-end testing

Selenium

Cypress

CodeceptJS

SQL

Oracle databases

Azure cloud

Tools

Selenium

Cypress

CodeceptJS

Postman

RestAssured

Oracle

SQL

Azure

Job description

Quantum Technologies. LLC is seeking a senior QA engineer to lead automation and manual testing across the stack. You will design and execute tests for RESTful APIs, integrate automated frameworks (Selenium, Cypress, CodeceptJS), and ensure data integrity with SQL/Oracle databases.

Strong Java expertise and OO design knowledge are essential for multi-layer system validation. The role emphasizes Agile practices (Scrum/Kanban) and cloud familiarity (Azure).