Design, develop, and maintain automated test frameworks for APIs, backend services, and web applications related to the EBizCharge payment gateway
Write and execute automated tests for payment flows including authorization, capture, refunds, voids, tokenization, and recurring payments
Validate PCI-compliant workflows and ensure secure handling of sensitive payment data
Perform API testing (REST/SOAP) for gateway services, integrations, and third-party processors
Conduct integration, regression, and end-to-end testing across ERP and accounting system integrations
Collaborate with software engineers to identify test gaps, reproduce issues, and improve testability
Monitor and improve test coverage, reliability, and execution time in CI/CD pipelines
Perform performance and load testing to ensure the gateway handles high transaction volumes
Participate in code reviews with a quality-first mindset
Document test strategies, test cases, and quality metrics

5+ years of experience as an SDET, QA Automation Engineer, or similar role
Strong programming skills in one or more languages such as Java, C#, Python, or JavaScript/TypeScript
Experience building test automation for APIs and backend systems
Hands-on experience with test frameworks such as Selenium, Playwright, Cypress, RestAssured, Postman, or similar
Solid understanding of CI/CD pipelines (GitHub Actions, Jenkins, Azure DevOps, etc.)
Experience testing financial systems or payment gateways
Strong knowledge of SQL and database validation
Familiarity with version control systems (Git)

Senior Software Development Engineer in Test

Key skills