QA Analyst Sr. – APIs, Medios de Pago y Sistemas Transaccionales
Core
Validates complex integrations, anticipates risks, and ensures functional and technical standards for critical payment solutions supporting secure, reliable, and efficient payment experiences.
Role type
Senior IC QA Analyst (APIs, Payments, Transactional Systems)
Builds
Payment APIs, middleware, backend applications, and transactional systems for financial institutions, corporations, merchants, and consumers.
Domain
Fintech, Payments, Transactional Systems
Deliverable
production ML models | product features
Required skills
Functional, integration, regression, and End-to-End testing; REST and SOAP API testing; SQL for data validation; Transactional systems and payment media knowledge; Requirements analysis; Defect management; Jira usage.
Preferred skills
ISO 8583 and authorization flows; Base24, VisionPlus, or related payment platforms; Credit/debit card and wallet validation; Complex log, payload, and integration analysis; Test automation with Postman/Newman, Selenium, or Playwright.
Technologies
Postman, Swagger/OpenAPI, SQL, Jira, Base24, VisionPlus, Selenium, Playwright, Newman
Responsibilities
Analyze functional and technical requirements to identify test scenarios, dependencies, and risks; Design test cases and validation strategies for functional, integration, regression, and End-to-End testing; Execute tests on APIs, applications, middleware, and backend systems related to payments; Validate data via SQL queries, evidence review, and transactional response analysis; Analyze logs, payloads, and integration results to confirm expected behaviors; Detect, log, and track defects until resolution and revalidation; Document evidence, quality metrics, and issue QA signoff for production promotion; Collaborate with Engineering, Architecture, Delivery, and Business teams to strengthen solution quality.
Seniority
Senior, hands-on IC