Backend QA Engineer, Madrid
Core
Ensuring the reliability, performance, and scalability of backend systems through API, database, and service testing.
Role type
Backend QA Engineer
Builds
Backend services and APIs for an AI-powered Personal & Entrepreneurial Resource Planner
Domain
Fintech / AI-driven resource planning
Deliverable
production ML models | product features
Required skills
API testing, database testing, integration testing, automated test design, infrastructure review, test case documentation
Preferred skills
TestRail, PostgreSQL, Node.js, TypeScript, REST API validation
Technologies
Postman, Swagger, PostgreSQL, Node.js, TypeScript, TestRail
Responsibilities
Design and execute tests for backend systems including APIs and databases; Validate API functionality and performance; Test and verify database operations and data integrity; Collaborate with engineering teams to review pull requests; Support the development and maintenance of automated tests; Participate in reviewing backend infrastructure; Document and track defects and test results.
Seniority
Mid-level, hands-on IC