Senior QA Engineer: API & Performance Automation

4P Consulting; Atlanta (GA); On-site; USD 90,000 - 120,000; Full time

Job summary

Southern Company Services is seeking an experienced QA Engineer III to support quality engineering, test automation, performance testing, and release readiness across enterprise applications.

The ideal candidate will have strong experience with API automation, regression testing, CI/CD integration, performance testing, defect analysis, and cross-functional collaboration with Engineering, Product, and DevOps teams. You will develop test strategies, build automation, and ensure release readiness.

Qualifications

• 5–10 years in quality assurance, test automation, or software quality engineering.
• Strong API testing and automation experience.
• Experience with UI, integration, and end-to-end testing.
• Hands-on performance and reliability testing.
• Experience integrating automated testing into CI/CD pipelines.
• Strong regression, risk-based, and exploratory testing skills.
• Experience with defect management, reporting, and root-cause analysis.
• Excellent communication and cross-functional collaboration with Engineering, Product, and DevOps.
• Experience in utility, energy, or regulated industries preferred.

Responsibilities

• Develop and execute test strategies for regression, new functionality, integration, end-to-end, and performance testing.
• Create and maintain test plans, test cases, automated test suites, and exploratory test charters.
• Build reusable and maintainable automation frameworks for API and UI testing.
• Integrate automated tests into CI/CD pipelines and ensure reliable, actionable test results.
• Perform load, stress, endurance, scalability, and peak-volume testing.
• Establish performance baselines and monitor latency, throughput, response times, and error rates.
• Lead defect triage and support root-cause analysis.
• Partner with developers, product teams, and DevOps to improve testability, logging, instrumentation, and acceptance criteria.
• Provide clear reporting on test coverage, quality risks, release readiness, and recommendations.
• Support continuous improvement of quality-management processes and standards.

Skills

QA Experience

API Testing

UI Testing

CI/CD

Performance Testing

Regression Testing

Root Cause Analysis

Documentation

Cross-functional Collaboration

Defect Management

Job description

Southern Company Services is seeking an experienced QA Engineer III to support quality engineering, test automation, performance testing, and release readiness across enterprise applications.

The ideal candidate will have strong experience with API automation, regression testing, CI/CD integration, performance testing, defect analysis, and cross-functional collaboration with Engineering, Product, and DevOps teams. You will develop test strategies, build automation, and ensure release readiness.