QA Engineer

Quantum Technologies. LLC; Dallas (TX); On-site; USD 85,000 - 121,000; Full time

Job summary

Quantum Technologies. LLC is seeking a QA Engineer to ensure quality and performance across web, mobile, and API-driven applications.

The role emphasizes manual and automated testing, defect management, and collaboration with cross-functional teams in a dynamic environment. The ideal candidate has 5+ years in QA, hands-on testing with Selenium/Cypress/Playwright, API testing experience, and strong SQL skills.

Qualifications

• 5+ years in software quality assurance and testing.
• Hands-on experience with functional, regression, integration, and end-to-end testing.
• Experience with automation tools such as Selenium, Cypress, or Playwright.
• Experience in API testing using Postman, REST Assured, or SoapUI.
• Knowledge of SQL for backend/data validation.
• Familiarity with Agile/Scrum and CI/CD processes.
• Excellent communication and collaboration with technical and business teams.

Responsibilities

• Develop comprehensive test plans, scenarios, cases, and data.
• Execute manual and automated tests across web, mobile, and API-driven apps.
• Perform functional, regression, integration, smoke, and end-to-end testing.
• Identify, document, track, and manage defects using Jira/ALM or similar tools.
• Collaborate with developers to reproduce defects and verify fixes.
• Conduct API testing to validate structures, status codes, and data accuracy.
• Execute SQL-backed database testing for backend data validation.
• Develop and maintain automated test scripts using Selenium, Cypress, Playwright or similar.
• Participate in Agile ceremonies and release planning.
• Prepare test execution reports and quality metrics for stakeholders.
• Support UAT and coordinate with business users to validate readiness.
• Ensure testing deliverables meet quality standards before production.

Skills

Manual testing

Test planning

Defect management

Automation testing

API testing

Communication

Collaboration

Education

Bachelor's degree in Computer Science / IT / Software Engineering

ISTQB CTFL certification

CSTE certification

Tools

Jira

Zephyr

TestRail

HP ALM

Quality Center

Azure DevOps

Selenium

Cypress

Playwright

TestNG

JUnit

Cucumber

Postman

REST Assured

SoapUI

Swagger

SQL

Appium

JMeter

LoadRunner

Jenkins

Git

GitHub

GitLab

Job description

US Citizen, Green Card, H-1B, OPT-EAD, CPT, Other

Job Title: QA Engineer (Quality Assurance Engineer)

Duration: 12 Months + Extension

Bill Rate: $75/hr C2C

Job Type: W-2, 1099, C2C

Position Overview:

The ideal candidate will be responsible for ensuring the quality, reliability, and performance of enterprise software applications through comprehensive testing and validation processes. The QA Engineer will collaborate with developers, business analysts, product owners, and project teams to identify defects, validate business requirements, and deliver high-quality software solutions. This role requires strong knowledge of manual testing, test planning, defect management, and automation testing practices across web-based, mobile, and API-driven applications.

QA Technologies & Technical Expertise:

Testing Methodologies: Manual Testing, Functional Testing, Regression Testing, Smoke Testing, Sanity Testing, Integration Testing, System Testing, and UAT.

Test Management Tools: Jira, Zephyr, TestRail, HP ALM, Quality Center, and Azure DevOps.

Automation Testing: Selenium WebDriver, Cypress, Playwright, TestNG, JUnit, and Cucumber.

API Testing: Postman, REST Assured, SoapUI, Swagger, REST APIs, and SOAP services.

Database Testing: SQL queries, joins, stored procedures, data validation, backend testing, and database integrity checks.

Mobile Testing: Android and iOS application testing, mobile compatibility, device testing, and Appium.

Performance Testing: JMeter, LoadRunner, stress testing, load testing, and performance analysis.

CI/CD & Version Control: Jenkins, Git, GitHub, GitLab, and Azure DevOps pipelines.

Agile Methodologies: Scrum, sprint planning, test estimation, daily stand-ups, and defect triage.

Analyze business and technical requirements to understand application functionality and testing objectives.

Develop comprehensive test plans, test scenarios, test cases, and test data based on project requirements.

Execute manual and automated test cases to validate application functionality and quality.

Perform functional, regression, integration, smoke, sanity, and end-to-end testing.

Identify, document, track, and manage software defects using Jira, HP ALM, or similar tools.

Collaborate with developers to reproduce defects, troubleshoot issues, and verify fixes.

Perform API testing to validate request/response structures, status codes, data accuracy, and service integrations.

Execute database testing using SQL queries to verify backend data accuracy and business logic.

Develop and maintain automated test scripts using Selenium, Cypress, Playwright, or other automation frameworks.

Participate in Agile ceremonies, sprint reviews, defect triage meetings, and release planning.

Validate application performance, reliability, and stability under different testing conditions.

Prepare test execution reports, defect summaries, and quality metrics for project stakeholders.

Support UAT activities and coordinate with business users to validate application readiness.

Ensure testing deliverables meet established quality standards before production deployment.

Experience & Professional Competencies:

5+ years of overall experience in software quality assurance and application testing.

3+ years of hands-on experience in functional, regression, integration, and end-to-end testing.

2+ years of experience with automation testing tools such as Selenium, Cypress, or Playwright.

Strong understanding of software testing life cycle (STLC) and software development life cycle (SDLC).

Experience creating test plans, test scenarios, test cases, and detailed defect reports.

Working knowledge of API testing using Postman, REST Assured, or SoapUI.

Experience writing SQL queries for backend and database validation.

Familiarity with Agile/Scrum development environments and CI/CD processes.

Strong analytical, troubleshooting, documentation, and problem-solving abilities.

Excellent communication and collaboration skills with technical and business teams.

Ability to manage multiple testing activities and meet project deadlines.

Academic Qualifications & Preferred Certifications:

Bachelor's degree in Computer Science, Information Technology, Software Engineering, or a related field.

Master's degree in Computer Science or a related technical discipline is preferred.

ISTQB Certified Tester Foundation Level (CTFL) certification is an advantage.

Certified Software Tester (CSTE) certification is preferred.

Selenium, Playwright, or other automation testing certifications are a plus.

Additional training in Agile testing, API testing, and performance testing is beneficial.

We are an equal opportunity employer. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on merit, competence, performance, and business needs. We do not discriminate on the basis of race, color, religion, marital status, age, national origin, ancestry, physical or mental disability, medical condition, pregnancy, genetic information, gender, sexual orientation, gender identity or expression, national origin, citizenship/ immigration status, veteran status, or any other status protected under federal, state, or local law.