Software Development Engineer in Test

Headquartered in Irvine, California, Ironwood Digital specializes in developing integrated payment solutions that facilitate electronic payment processing within ERP, CRM, Mobile, and eCommerce applications. Our applications are PCI compliant and fully integrated with major ERP/accounting systems, including QuickBooks, Sage, SAP Business One, Microsoft Dynamics, NetSuite, Epicor, Acumatica, and major online shopping carts, including Magento and WooCommerce. Ironwood Digital offers its employees tremendous learning opportunities, career growth potential, and a dynamic work environment. We are seeking a skilled Senior Software Development Engineer in Test (SDET) to help ensure the reliability, security, and performance of the Ironwood Digital payment gateway and other related payment applications. In this role, you will design and implement automated testing solutions, collaborate closely with engineers, QA, and product teams, and play a critical role in maintaining high-quality standards for financial transaction systems. Responsibilities Design, develop, and maintain automated test frameworks for APIs, backend services, and web applications related to the Ironwood Digital 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. Qualifications 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). Preferred Qualifications Experience with payment processing, card networks, or merchant services. Knowledge of PCI DSS compliance and secure testing practices. Experience with ERP or accounting system integrations (NetSuite, Dynamics, Sage, or Oracle etc.). Experience with performance testing tools (JMeter, Gatling, k6). Familiarity with cloud platforms (AWS, Azure) and containerized environments (Docker, Kubernetes). Job Status: Full Time Remote Role The Company is committed to compliance with all applicable laws providing equal employment opportunities. This commitment applies to all persons involved in Company operations. The Company prohibits unlawful discrimination against any job applicant, employee or unpaid intern by any employee of the Company, including supervisors and coworkers. Pay discrimination between employees of the opposite sex or between employees of another race or ethnicity performing substantially similar work, as defined by the California Fair Pay Act and federal law, is prohibited. Originally posted on Himalayas