QA Engineer – Mobile SDK, AdTech Integration

KNOREX

QA Engineer specializing in Mobile SDK testing for AscendX's monetization infrastructure. Ensuring stability and reliability across multiple platforms and integration environments.

Posted 7/10/2026full-timeHo Chi Minh City • 🇻🇳 VietnamJuniorMid-LevelWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in QA processes for mobile SDKs, including automation frameworks and regression testing. Proficient in collaborating with cross-functional teams to ensure release readiness and validate SDK functionality across various environments.

Highest-signal resume keywords

Mobile QA FrameworksAutomation Tools (Appium, Espresso, XCTest, Unity Test Runner)Debugging Skills (Charles, Fiddler, adb, Xcode Instruments)CI/CD IntegrationAdtech/Monetization SDKs (AdMob, AppLovin, FAN, MoPub)

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Hard Skills

QA Process OwnershipSDK TestingRegression TestingAutomation Framework DevelopmentClient-Server CommunicationAPI UnderstandingNetwork SniffersOpenRTB FlowsProgrammatic AdvertisingUnity SDK QA

Soft Skills

Written CommunicationVerbal Communication

Tools & Technologies

CharlesFiddlerAdbXcode Instruments

Industry Keywords

AdtechMonetizationSDKMobile Apps

Tech Stack

Tools & technologies

AndroidiOSUnity

About the role

Key responsibilities & impact

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

What you’ll need

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

Comp & perks

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.