Backend QA Engineer (Lisbon) - API, PostgreSQL & Node.js

Air Apps; Lisboa; Hybrid; EUR 40,000 - 60,000; Full time

Benefits offered by this job

Annual bonus

Health insurance

Transportation budget

Coverflex benefits

Urban Sports Club

Free meals at office

Pension fund

Annual conference

Apple hardware

Job summary

Air Apps is seeking a Backend QA Engineer in Lisbon to ensure reliability, performance, and scalability of our backend systems. You will test APIs, databases, and services while collaborating with engineers to uphold high-quality standards across our infrastructure.

The role is fully onsite at our Lisbon office, with openness to relocation support. The ideal candidate has 2–3 years of experience with backend technologies like Node.js and TypeScript and will contribute to test design, automation,

Qualifications

• Approximately 2–3 years of experience in backend testing or software development in test roles.
• Experience with Node.js and TypeScript in backend environments.
• Familiarity with SQL databases, particularly PostgreSQL, and validating queries and data integrity.
• Experience testing REST APIs using Postman, Swagger, or similar tools.

Responsibilities

• Design and execute tests for backend systems including APIs, databases, and service integrations.
• Validate API functionality and performance with Postman, Swagger, or similar tools.
• Test database operations, queries, and data integrity in PostgreSQL or similar DBs.
• Collaborate with engineers to review pull requests and ensure quality coverage.
• Develop and maintain automated tests for backend services.

Skills

Node.js

TypeScript

SQL databases

REST APIs

Tools

Postman

Swagger

TestRail

Job description

Air Apps is seeking a Backend QA Engineer in Lisbon to ensure reliability, performance, and scalability of our backend systems. You will test APIs, databases, and services while collaborating with engineers to uphold high-quality standards across our infrastructure.

The role is fully onsite at our Lisbon office, with openness to relocation support. The ideal candidate has 2–3 years of experience with backend technologies like Node.js and TypeScript and will contribute to test design, automation,