Remote Backend QA Engineer

Salary: £48,000 - 88,000 per year

Requirements

• Approximately 2–3 years of experience working with backend technologies, testing, or software development in test roles.
• Experience with Node.js and TypeScript in backend environments.
• Familiarity with SQL databases, particularly PostgreSQL, and experience validating database queries and data integrity.
• Experience testing REST APIs using tools such as Postman, Swagger, or similar API testing tools.
• Understanding of backend testing practices, including API testing, database testing, and integration testing.
• Familiarity with test management tools such as TestRail or comparable platforms is beneficial.
• Comfort reviewing pull requests and backend architecture changes to help ensure quality standards.
• Strong attention to detail, problem-solving skills, and the ability to collaborate with cross-functional teams.

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 reliability or performance issues.
• Document and track defects, test cases, and test results using test management tools such as TestRail or similar systems.
• Work closely with developers and product teams to improve testing strategies and overall product quality.

Technologies

• AI
• API
• Backend
• Hardware
• Support
• PostgreSQL
• Postman
• REST
• SQL
• Swagger
• TypeScript
• NodeJS

More

We are Air Apps, a family-founded company born in Lisbon, Portugal in 2018, with offices in Lisbon and San Francisco. We are building the worlds first AI-powered Personal & Entrepreneurial Resource Planner and have reached over 100 million downloads worldwide while remaining self-funded. We offer a fully onsite role based in our Lisbon office, with relocation support available. Our Lisbon benefits include an annual bonus, top-tier health and life insurance, transportation budget, Coverflex benefits, Urban Sports Club membership, free office meals, a pension fund, an annual conference, and Apple hardware for work. We are committed to fostering a diverse, inclusive, and equitable workplace and welcome applicants from all backgrounds. We also maintain a transparent hiring process and require applicants to submit only their own work.

last updated 28 week of 2026