Software Test Engineer - Manual & API Testing

Ascendion; Hong Kong; On-site; HKD 250,000 - 420,000; Full time

Job summary

Ascendion is seeking a Software Test Engineer specialized in manual and API testing to join an enterprise IT project. The role focuses on hands-on testing across manual, functional, regression, integration and end-to-end tests, with exposure to API validation and test automation tools such as Playwright.

The successful candidate will prepare test artifacts, validate REST APIs, support SIT/UAT, and collaborate with developers, project managers and business users to ensure quality delivery.

Qualifications

• Experience in manual/functional software testing.
• Ability to write structured test cases and test documentation.
• Defect logging, tracking and retesting.
• Basic API testing and JSON validation.

Responsibilities

• Perform manual, functional, regression, integration and end-to-end testing.
• Prepare and maintain test scenarios, test cases, test scripts and test evidence.
• Validate application workflows, system interfaces and business processes.
• Identify, document, track and retest software defects through closure.
• Perform basic REST API testing using Postman, Swagger or equivalent tools.
• Validate API requests, responses, status codes and JSON data.
• Support SIT and UAT.
• Work closely with developers, system engineers, project managers and business users.
• Support defect investigation, deployment verification and production validation.
• Contribute to test automation activities where applicable.

Skills

Manual testing

API testing

SIT/UAT

Defect tracking

Test documentation

Tools

Playwright

Postman

Swagger

Job description

Ascendion is seeking a Software Test Engineer specialized in manual and API testing to join an enterprise IT project. The role focuses on hands-on testing across manual, functional, regression, integration and end-to-end tests, with exposure to API validation and test automation tools such as Playwright.

The successful candidate will prepare test artifacts, validate REST APIs, support SIT/UAT, and collaborate with developers, project managers and business users to ensure quality delivery.