TL;DR
Senior QA Engineer (API Testing): Validating and automating REST APIs for backend services with an accent on core logic, security, and performance. Focus on creating sophisticated test collections in Postman, building robust automation frameworks using C#, and dissecting complex backend workflows.
Location: Work From Home 100% of the time, or come in to one of our global offices.
Company
hirify.global is an American software development and technology advisory firm that brings top-tier engineering talent to clients around the world.
What you will do
- Perform end-to-end validation of REST APIs using manual and automated strategies.
- Create and maintain sophisticated test collections in Postman using JavaScript.
- Build robust API automation frameworks using C#.
- Analyze backend workflows and business rules through API behavior.
- Test mobile authentication mechanisms.
- Ensure the API ecosystem is secure and reliable.
Requirements
- 5+ years of QA experience with a strong focus on API testing.
- Hands-on experience using Postman for manual API validation, writing tests with JavaScript, and maintaining collections and environments.
- Experience validating REST APIs, including a strong understanding of HTTP methods, status codes, and authentication mechanisms (e.g., API keys, tokens, OAuth).
- Experience testing APIs without UI support.
- Experience testing authentication and authorization mechanisms for mobile applications.
- Hands-on experience building and executing API automation tests using C#.
- Ability to analyze complex backend workflows and business rules through API behavior.
- English: Excellent verbal and written communication skills required.
Nice to have
- Experience with API automation frameworks (e.g., Newman, RestAssured, Karate, or similar).
- Experience integrating API tests into CI/CD pipelines.
- Familiarity with JSON schema validation.
- Experience testing microservices or gateway-based architectures.
- Experience working in Agile teams.
Culture & Benefits
- Join an excellent team of supportive engineers and project managers.
- Upbeat work environment with no internal competition.
- Generous vacation schedule.
- Brand new laptop provided.
- Flexible work environment: 100% remote or option to work from global offices.
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