Backend QA Engineer

About Air Apps 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. Our long-term focus drives us to challenge the status quo every day, pushing the boundaries of AI-driven solutions that truly make a difference. Here, you’ll be a creative force, shaping products that empower people across the globe. Join us on this journey to redefine resource management and change lives along the way. 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, they will focus on testing APIs, databases, and backend services while collaborating closely with engineers to maintain high-quality standards across our infrastructure. The ideal 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 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. 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. What benefits do we offer? Apple hardware ecosystem for work. Annual Bonus . Medical Insurance (including vision & dental). Disability insurance - short and long-term. 401k up to 4% contribution. Air Conference – an opportunity to meet the team, collaborate, and grow together. Transportation budget Free meals at the hub Gym membership Diversity & Inclusion At Air Apps, we are committed to fostering a diverse, inclusive, and equitable workplace. We enthusiastically welcome applicants from all backgrounds, experiences, and perspectives. We celebrate diversity in all its forms and believe that varied voices and experiences make us stronger. Application Disclaimer At Air Apps, we value transparency and integrity in our hiring process. Applicants must submit their own work without any AI-generated assistance. Any use of AI in application materials, assessments, or interviews will result in disqualification.

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