Senior QA Tester - API, SQL & Regression Expert

Competent Candidates; Randburg; On-site; ZAR 900,000 - 1,200,000; Full time

Job summary

Competent Candidates is seeking a highly skilled Tester to join our insurance-focused team in Randburg. The role requires 5 years of testing in a formal SDLC, designing cases from specifications, and owning regression suites across multiple releases.

Experience with API testing (Postman), SQL verification, and agile delivery is essential. Exposure to test automation tools (Selenium/Playwright/Cypress) is advantageous.

Qualifications

• 5 years of hands-on software testing in a structured SDLC.
• Design and write test cases from written specifications.
• Own and execute regression suites across releases.
• Experience with test management and defect tracking tools.
• SQL for independent data verification; API testing with REST clients.

Responsibilities

• Review user stories and acceptance criteria with BA and developers.
• Design, write and maintain test cases and scripts.
• Maintain regression packs and keep them current.
• Verify data outcomes with SQL queries and REST API tests.
• Log defects with clear steps and evidence; retest and close.
• Perform smoke and sanity testing after deployments.
• Prepare test data with de-identified or synthetic data.
• Support UAT by guiding users and triaging feedback.
• Produce test summary and release evidence for each release.
• Participate in sprint ceremonies and provide test effort estimates.
• Build automated checks for key regression scenarios.

Skills

5+ years testing

Test case design

Regression testing

SQL data verification

API testing (Postman)

Agile/Scrum

Test automation tooling

Financial services domain knowledge

Education

Bachelor’s degree in IT/CS or similar

Matric / Senior Certificate

ISTQB Foundation Level

ISTQB Agile Tester extension or related cert

Tools

Postman

Selenium

Playwright

Cypress

Test management tools

Job description

Competent Candidates is seeking a highly skilled Tester to join our insurance-focused team in Randburg. The role requires 5 years of testing in a formal SDLC, designing cases from specifications, and owning regression suites across multiple releases.

Experience with API testing (Postman), SQL verification, and agile delivery is essential. Exposure to test automation tools (Selenium/Playwright/Cypress) is advantageous.