Backend QA Engineer

Air Apps

$100K — $130K *
Information Technology
Less than 5 years of experience
Job Overview by Ladders

Qualifications

  • 2-3 years of experience with backend technologies, testing, or software development in QA roles.
  • Experience with Node.js and TypeScript in backend environments.
  • Familiarity with SQL databases, especially PostgreSQL, and validating database integrity.
  • Experience testing REST APIs with tools like Postman or Swagger.
  • Understanding of backend testing, including API and database testing.
  • Familiarity with test management tools such as TestRail.
  • Strong attention to detail and collaboration skills.

Responsibilities

  • Design and execute tests for backend systems, including APIs and databases.
  • Validate API functionality and performance using tools like Postman or Swagger.
  • Test and verify database operations and data integrity using PostgreSQL.
  • Collaborate with engineering to review pull requests for code quality and test coverage.
  • Support automated tests for backend services.
  • Review backend infrastructure to identify reliability and performance issues.
  • Document and track defects and test results using test management tools.

Benefits

  • Apple hardware ecosystem for work.
  • Annual bonus.
  • Comprehensive medical insurance including vision and dental.
  • Short and long-term disability insurance.
  • 401k with up to 4% contribution.
  • Air Conference for team collaboration and engagement.
  • Transportation budget.
  • Free meals at the hub.
  • Gym membership.
Full Job Description
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

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