Backend QA Engineer at Air Apps

Air Apps is hiring a fully onsite Backend QA Engineer in Lisbon to test APIs, databases, backend services, integrations, and infrastructure. The role includes API and database validation, automated test development, pull-request and architecture reviews, defect tracking, and collaboration with engineering and product teams. Candidates should have approximately 2–3 years of backend or software development testing experience, including Node.js, TypeScript, SQL and PostgreSQL, and REST API testing.