Backend QA Engineer — Onsite Lisbon | Relocation Support

TestDevJobs; Lisboa; Hybrid; EUR 40,000 - 65,000; Full time

Benefits offered by this job

Annual Bonus

Health and Life Insurance

Transportation Budget

Pension Fund

Meals at office

Job summary

Air Apps in Lisbon is seeking a Backend QA Engineer to ensure the reliability and performance of our backend systems. You will focus on testing APIs, databases, and services, collaborating closely with engineers in a fast-paced environment onsite. We welcome relocation support and value hands-on QA excellence.

Ideal candidates have 2–3 years of experience with Node.js/TypeScript, backend testing, and API validation, with strong attention to detail and collaboration across cross-functional teams.

Qualifications

• 2–3 years of experience in backend testing or related roles.
• Experience with Node.js and TypeScript in backend environments.
• Familiarity with SQL databases, especially PostgreSQL.
• Experience testing REST APIs using Postman/Swagger or similar tools.
• Understanding of API testing, database testing and integration testing.

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 PostgreSQL or similar databases.
• Collaborate with engineering to review pull requests and ensure test coverage.
• Support development and maintenance of automated tests for backend services.
• Review backend infrastructure changes to identify reliability or performance issues.
• Document test cases and results using test management tools like TestRail.

Skills

Backend testing

Node.js

TypeScript

REST APIs

Tools

PostgreSQL

Postman

Swagger

TestRail

Job description

Air Apps in Lisbon is seeking a Backend QA Engineer to ensure the reliability and performance of our backend systems. You will focus on testing APIs, databases, and services, collaborating closely with engineers in a fast-paced environment onsite. We welcome relocation support and value hands-on QA excellence.

Ideal candidates have 2–3 years of experience with Node.js/TypeScript, backend testing, and API validation, with strong attention to detail and collaboration across cross-functional teams.