QA Engineer (Mobile SDK & AdTech Integration)

About this role

About AscendX
AscendX is building a next-generation monetization infrastructure for mobile game and app publishers. Our customized SDKs (Android, iOS, Unity) are critical to publisher workflows and revenue. We are looking for a QA Engineer specialized in Mobile SDK testing with adtech knowledge to ensure SDK stability and reliability at scale.
Key Responsibilities

• Own QA process for AscendX SDKs (Android, iOS, Unity).

• Validate SDK functionality across devices, OS versions, and integration environments.

• Test ad request/response flows, bidding mechanics, and mediation integration.

• Develop automation frameworks for SDK and integration testing.

• Build regression test suites and integrate with CI/CD pipelines.

• Collaborate with SDK engineers, backend engineers, and product managers on release readiness.
Requirements

• 1-2 years of experience in QA for mobile apps or SDKs.

• Strong knowledge of mobile QA frameworks and automation tools (Appium, Espresso, XCTest, Unity Test Runner).

• Solid debugging skills using network sniffers (Charles, Fiddler), adb, Xcode Instruments.

• Understanding of client–server communication and APIs.

• Strong written and verbal communication skills in English.
Nice to have (can be learned on the job)

• Experience testing SDKs (not just apps).

• Exposure to adtech/monetization SDKs (AdMob, AppLovin, FAN, MoPub, etc.).

• Familiarity with OpenRTB flows or programmatic advertising.

• Experience with Unity SDK QA.

• Knowledge of CI/CD and automated regression testing at scale.
Benefits

• Attractive salary and performance bonus scheme

• 13th month salary

• W3F fund for learning and personal development

• Comprehensive Health Insurance Coverage.

• Macbook provided

• Ample opportunities to grow. You get to propose your own ideas and see it through.

• Work with passionate, talented and driven colleagues who get things done!

• Opportunity to work cross-country and with variety of projects of different nature.

• Challenging and exciting problems that await you to solve.