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Fiverr Pro
English
$
USD
I will write automated tests and test your rest API with postman, jest, and junit
About this Gig
Are you launching an API or backend service and want to ensure it works reliably under real-world conditions?
As a Software Engineer specializing in backend development and automated testing, I help teams build robust, bug-free APIs and test suites.
What I Offer:
- API Testing (Postman): Functional testing, validation assertions, pre-request scripts, automated collections, and execution reports.
- Automated Test Suites: Writing maintainable unit and integration tests using Jest (Node.js) or JUnit 5, Mockito & MockMvc (Java Spring Boot).
- Business Logic & Edge-Case Validation: Testing authentication flows (JWT), negative scenarios, boundary data, and complex checkout/payment flows.
- Clear Reporting: Defect logs with reproduction steps, error logs, and remediation tips.
Tech Stack:
- Frameworks: Java Spring Boot, Node.js, Express, RESTful APIs.
- Testing: Postman, Jest, JUnit 5, Mockito, MockMvc.
Send me a message with your API docs or endpoints, and let's get started!
Testing application:
Web application
Development technology:
Java
•
JavaScript
•
Node.js
•
TypeScript
Device:
PC
•
Mac
•
Linux
•
Android mobile phone
My Portfolio
FAQ
What do you need from me to start testing?
Please provide your API documentation (Swagger/Postman/Markdown), base staging URLs, credentials, and any specific business rules or edge cases to check.
Do you test both Java Spring Boot and Node.js backends?
Yes. I specialize in building automated test suites with JUnit 5 and Mockito for Spring Boot, as well as Jest for Node.js applications.
Can you deliver ready-to-run Postman collections?
Yes. I deliver exported Postman JSON collections with configured environment variables, status assertions, and response validations ready for team use.
