At Air Apps, we believe in thinking bigger and moving faster. We’re a family‑founded company on a mission to create the world’s first AI‑powered Personal & Entrepreneurial Resource Planner (PRP), and we need your passion and ambition to help us change how people plan, work, and live. Born in Lisbon, Portugal in 2018 and now with offices in both Lisbon and San Francisco we’ve remained self‑funded while reaching over 100 million downloads worldwide.

The Role

We are looking for a Backend QA Engineer to help ensure the reliability, performance, and scalability of our backend systems. In this role, you will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high‑quality standards across our infrastructure. This is a fully onsite position based at our office in Lisbon, where you will collaborate closely with cross‑functional teams in person and contribute to a dynamic and fast‑paced environment. We are open to support with relocation efforts.



The idóneo candidate has approximately 2–3 years of experience working with backend technologies such as Node.js and TypeScript and enjoys combining software development practices with quality assurance. They will contribute to test design, automation, API validation, and infrastructure review while helping maintain a strong quality culture within the engineering team.

Responsibilities
- Design and execute tests for backend systems, including APIs, databases, and service integrations.
- Validate API functionality and performance using tools such as Postman, Swagger, or similar platforms.
- Test and verify database operations, queries, and data integrity in systems using PostgreSQL or similar relational databases.
- Collaborate with engineering teams to review pull requests, ensuring code quality and test coverage.
- Support the development and maintenance of automated tests for backend services.
- Participate in reviewing backend infrastructure and identifying potential rel

📌 Backend QA Engineer, Madrid
🏢 Air Apps
📍 Madrid