Senior Android Developer

• Develop and maintain our Android SDK, make key contributions to mobile architecture, code health, and development processes;
• Work on improving SDK performance and integration/unit tests coverage;
• Contribute to the architecture and design of SDK features;
• Participate in discussions regarding the technical and functional sides of the SDK.

Do you have experience in iOS development?, Android Development

• 5+ years of professional Android development experience
• 3+ years of hands-on Kotlin experience in production environments
• Strong understanding of Android internals (lifecycle, threading, rendering, networking, coroutines)
• Experience designing and maintaining Android SDKs or libraries used in production apps
• Proficiency with Gradle, dependency management, modularization, ProGuard/R8
• Ability to optimize startup, memory footprint, CPU usage, and network performance
• Hands-on experience debugging ANRs, crashes, concurrency issues, and performance bottlenecks

Networking & Concurrency

• Strong experience with HTTP clients, caching, and efficient network operations
• Proficiency with Kotlin Coroutines, structured concurrency, and async execution patterns Understanding of request batching, retries, and fallback logic

Testing & Reliability

• Experience building automated tests for SDKs (instrumentation, integration, adapter tests)
• Knowledge of CI/CD for Android libraries and release pipelines
• Ability to debug issues in multi-SDK environments (logs, traffic inspection, profilers)
• Strong focus on stability, reproducibility, and backward compatibility across Android version

Preferred Skills

• Ad Tech & Integrations

• Production experience integrating mobile ad SDKs (AdMob, AppLovin, IronSource, UnityAds, Vungle, etc.)
• Understanding of real-time bidding (RTB) and event-driven mobile pipelines
• Understanding of mediation, waterfalls, bidding, and in-app programmatic advertising
• Experience building and maintaining adapters/wrappers for multiple third-party SDKs Knowledge of compliance standards (GDPR, COPPA, IDFA/GAID, privacy restrictions)

• Cross-Platform & Tooling

• Experience with iOS SDKs (Swift/Objective-C)
• Experience developing Unity / Flutter / React Native bridges
• Familiarity with NDK/JNI or low-level optimization

• Competitive compensation and performance-based bonuses.
• Career growth opportunities and access to professional development programs.
• Be part of a global team that values ownership, collaboration, and continuous learning.

With an outstanding product and a mission that excites and inspires, Appodeal offers a unique opportunity to make an impact while being part of an amazing team.

Appodeal is a dynamic US-based product company with a truly global presence. We have offices in Warsaw, Barcelona and Virginia along with remote team members located around the world. Our company thrives on diversity, collaboration, and innovation, making us a leader in the mobile app monetization space. Why Appodeal? At Appodeal, we're more than just a company-we're a team united by a common mission: to help every person discover and grow their talents! We take pride in our cutting-edge product and our internationally dispersed team of talented professionals. Here's what we value, and what we hope you do too: * Continuous Learning and Growth: We are passionate about learning, growing personally, and building rewarding careers. * Making an Impact: We are committed to building a history-defining company that leaves a lasting impact on the mobile app industry. * Solving Exciting Challenges: We tackle complex problems every day, supported by a team of world-class professionals and mentors. * Enjoying the Journey: We believe in having fun while working toward our goals.