Senior Android Developer

Senior Android Launcher App Developer

LIOLAN is a fast-growing mobile app and game company building and scaling Android applications for millions of users worldwide.

We are looking for an experienced Senior Android Developer with strong hands-on experience in Android Launcher development and mobile app monetization .

This is a highly practical engineering role. You will work on Android applications at scale, with a particular focus on Launcher products, system-level Android functionality, advertising monetization, user engagement, and performance optimization .

The ideal candidate combines deep Android engineering expertise with a strong understanding of how mobile applications generate revenue through advertising.

The Role

You will take ownership of the development and optimization of our Android Launcher products and other high-scale mobile applications.

You will work closely with our Product, UA, Monetization, Data and Engineering teams to build products that are technically strong, highly engaging and commercially successful.

A major part of the role will be working on the intersection between Android system functionality, Launcher UX, advertising SDKs, mediation and monetization .

We are looking for someone who has actually built and shipped Android Launchers , rather than someone with only general Android application experience.

Key Responsibilities

Android Launcher Development

• Design, develop and maintain production-grade Android Launcher applications .
• Work with Android Launcher and Home Screen functionality, including default launcher behavior, app drawer, widgets, shortcuts, notifications and system integrations .
• Develop customized launcher experiences optimized for performance, engagement and monetization.
• Work with Android APIs and system components to build reliable and efficient launcher functionality.
• Optimize application startup time, memory usage, battery consumption and overall performance.
• Ensure compatibility across different Android versions and device manufacturers.
• Investigate and resolve complex Android OS and device-specific issues.
• Build and maintain scalable architecture for applications with large user bases.

Mobile Monetization

• Integrate and optimize advertising SDKs and mediation platforms across our applications.
• Work extensively with AppLovin MAX, AdMob, Google Ad Manager and other advertising demand sources .
• Optimize ad placements, frequency, waterfall/bidding configuration and monetization logic.
• Analyze and improve key monetization metrics including eCPM, fill rate, ARPDAU, ad revenue and user LTV .
• Implement and test different monetization strategies across user segments, GEOs and applications.
• Work closely with the Monetization and UA teams to understand the relationship between traffic quality, user behavior and revenue.
• Troubleshoot ad SDK issues, crashes, latency, loading failures and mediation problems.

Data & Optimization

• Use data to identify opportunities to improve user engagement and monetization.
• Work with analytics platforms such as Firebase, Google Analytics, BigQuery and MMPs .
• Implement A/B tests and experiments across product and monetization features.
• Analyze user behavior and performance by GEO, device, acquisition source and user segment.
• Build tools and automation that help the team continuously improve application performance and revenue.

AI & Automation

• Work with our team to introduce AI, automation and intelligent optimization into our mobile products and monetization infrastructure.
• Build automated tools for analyzing performance, detecting anomalies and identifying monetization opportunities.
• Explore the use of LLMs, AI agents and machine learning to automate engineering, analytics and optimization workflows.
• Help build systems that can automatically identify opportunities and recommend or execute product and monetization improvements.

Requirements

Must Have

• 5+ years of professional Android development experience.
• Significant hands-on experience developing Android Launchers.
• Proven experience shipping and maintaining a production Android Launcher used by real users.
• Strong knowledge of Kotlin and Android SDK .
• Deep understanding of Android application architecture and lifecycle.
• Strong experience working with Android APIs, services and system-level functionality.
• Experience optimizing Android applications for performance, memory, battery usage and stability .
• Strong experience integrating and maintaining mobile advertising SDKs .
• Practical experience with AppLovin MAX, AdMob or similar mediation platforms .
• Strong understanding of mobile advertising monetization and ad revenue optimization.
• Experience working with analytics and debugging tools such as Firebase, Crashlytics and Android Studio Profiler.
• Strong problem-solving and debugging skills.
• Ability to independently own features from architecture and development through production deployment and optimization.

Strong Advantages

• Extensive experience building Android Launchers .
• Experience with default launcher / HOME intent / ROLE_HOME functionality.
• Experience developing launcher features such as app drawer, widgets, search, shortcuts, notifications and customization.
• Experience working with OEM-specific Android implementations such as Samsung, Xiaomi, OPPO, Vivo and other manufacturers.
• Experience with Android utility applications such as launchers, cleaners, battery tools, weather, QR scanners, security or similar products.
• Strong experience with AppLovin MAX mediation .
• Experience with AdMob, Google Ad Manager, Unity Ads, Mintegral, Pangle, Liftoff or other ad networks.
• Experience optimizing eCPM, fill rate, ARPDAU and ad revenue .
• Experience with Firebase, BigQuery and large-scale mobile analytics.
• Experience with Singular, AppsFlyer or other MMPs.
• Experience with A/B testing and remote configuration.
• Experience building internal automation and optimization tools.
• Experience using AI/LLMs, AI agents or machine learning in production.

Nice to Have

• Experience with Jetpack Compose .
• Experience with Android widgets and AppWidget APIs.
• Experience with accessibility services and Android system integrations.
• Experience with device manufacturers and OEM partnerships.
• Experience with programmatic advertising and RTB.
• Experience working with CTV, mobile UA or performance marketing environments.
• Experience building applications with millions of monthly active users .

What You'll Own

• The technical development of our Android Launcher products .
• The architecture, performance and stability of high-scale Android applications.
• Integration and optimization of our mobile monetization stack.
• Continuous improvement of ad revenue and user engagement .
• Development of new monetization and product features.
• Automation and AI-powered tools that improve how we develop, analyze and monetize our applications.

What We're Looking For

We are looking for an engineer who combines deep Android Launcher expertise with real-world product and monetization experience .

You should be someone who has built complex Android applications, understands how Android works beyond the basic application layer, and has hands-on experience with Launchers and mobile advertising monetization .

The ideal candidate is highly independent, technically curious and comfortable working in a fast-moving environment where engineering decisions have a direct impact on users, revenue and business growth .