QA Engineer - POS and Payments

Groupe Kardol; Cincinnati (OH); On-site; USD 72,000 - 79,000; Full time

Benefits offered by this job

Medical insurance

401(k) retirement plan

Paid time off

Paid holidays

Job summary

Groupe Kardol is seeking a QA Engineer specializing in POS and payments to support quality assurance for enterprise retail applications and transaction-processing systems in the Cincinnati area. The role focuses on functional, regression, API, and integration testing across end-to-end workflows, with preferred experience in POS/payments environments.

This contract position runs for 12 months, starting ASAP, with a rate of $52–$57 per hour.

Qualifications

• Experience in QA for enterprise applications and transaction-processing systems.
• Strong knowledge of functional and regression testing.
• Hands-on API and integration testing experience.
• Ability to design and execute test cases for end-to-end business workflows.

Responsibilities

• Execute functional and regression testing across POS applications and store workflows.
• Validate end-to-end payment and transaction scenarios.
• Perform API and integration testing.
• Develop, maintain, and execute test cases for new features and enhancements.
• Identify, reproduce, and track defects; participate in triage and root-cause analysis.
• Validate defect fixes and perform regression testing; support release readiness and production validation.
• Collaborate with developers, product teams, and QA resources; contribute to test strategy and QA execution.
• Assist with test automation initiatives where applicable.

Skills

QA testing

Functional testing

Regression testing

API testing

Integration testing

Defect tracking

End-to-end workflows

Communication

Job description

QA Engineer ( POS & Payments )

Location: Cincinnati / Mason, OH - 5 Days

Job Type: Contract

Duration: 12 Months

Start Date: ASAP

Interview Process: 2 Rounds

Rate: $52 - $57

Job Overview

We are seeking an experienced QA Engineer - POS & Payments to support quality assurance for enterprise retail applications and transaction-processing systems. The ideal candidate will have strong hands-on experience in functional, regression, API, and integration testing, with a focus on end-to-end business workflows.

Experience with Point-of-Sale (POS), payment processing, or retail transaction systems is highly preferred.

Responsibilities

• Execute functional and regression testing across POS applications and retail store workflows.
• Validate end-to-end payment and transaction scenarios.
• Perform API and integration testing.
• Develop, maintain, and execute test cases for new features and enhancements.
• Identify, reproduce, document, and track software defects.
• Participate in defect triage and root-cause analysis discussions.
• Validate defect fixes and perform regression testing.
• Support release readiness activities and production validation.
• Collaborate closely with developers, product teams, business stakeholders, and other QA resources.
• Contribute to test planning, test strategy, and overall QA execution.
• Assist with test automation initiatives where applicable.
• Ensure test coverage across critical business and transaction workflows.

Required Qualifications

• Strong hands-on experience in QA / Software Testing.
• Solid experience with functional and regression testing.
• Experience testing complex enterprise applications and end-to-end workflows.
• Hands-on experience with API and integration testing.
• Strong understanding of software testing methodologies, test case design, defect management, and release validation.
• Ability to troubleshoot, reproduce, analyze, and clearly document defects.
• Strong communication and collaboration skills.
• Ability to work effectively with development, product, and QA teams.

Preferred Qualifications

• Experience testing Retail or POS applications.
• Experience with payment or transaction-processing systems.
• Experience testing checkout, tender, authorization, refund, void, or similar transaction flows.
• Experience with test automation.
• Retail, grocery, or store-technology experience.
• Experience testing high-volume transaction environments.
• Familiarity with end-to-end integration testing across POS, payment, and backend systems.

The Company offers the following benefits for this position, subject to applicable eligibility requirements: medical insurance, dental insurance, vision insurance, 401(k) retirement plan, life insurance, long-term disability insurance, short-term disability insurance, paid parking/public transportation, paid time off, paid sick and safe time, hours of paid vacation time, weeks of paid parental leave, and paid holidays annually - as applicable.