Mobile Ad Engineer Android

OPTIVEUM sp. z o.o.•Capon Bridge, WV

3d•€4,600 - €7,000•Remote

About The Position

We are looking for an experienced Senior Mobile Ad Monetization Engineer to build, optimize, and maintain the advertising infrastructure across our client's Android applications. This is a hands-on position focused on developing high-performance ad delivery systems, improving SDK integrations, reducing latency, and maximizing advertising revenue. You will work closely with product, backend, analytics, and AI teams to deliver scalable monetization solutions without compromising the user experience.

Requirements

5+ years of commercial Android development experience.
Strong programming skills in Kotlin and Java.
Deep understanding of the Android SDK and app lifecycle.
Proven experience integrating mediation platforms (AppLovin MAX, AdMob, Unity LevelPlay, or Google Ad Manager).
Experience optimizing ad loading performance, latency, and multithreading.
Familiarity with Firebase, Remote Config, Analytics, Crashlytics, and BigQuery.
Experience with REST APIs and backend-driven configurations.

Nice To Haves

Custom mediation adapters
RTB (Real-Time Bidding)
Server-driven monetization
AI-based optimization
CI/CD

Responsibilities

Design, develop, and maintain the mobile advertising infrastructure.
Integrate and manage multiple mediation SDKs, including AppLovin MAX, Google AdMob, and Unity LevelPlay.
Develop advanced ad loading, caching, preloading, and request management mechanisms.
Optimize key monetization metrics: Fill Rate, Match Rate, Show Rate, Impression Rate, eCPM, and overall revenue.
Build intelligent ad selection, placement logic, and Remote Config fallback systems.
Optimize memory usage, threading, lifecycle management, and SDK initialization performance to reduce crashes, ANRs, and latency.
Build internal debugging, logging, and telemetry tools, alongside A/B testing infrastructure.
Collaborate with backend engineers on server-driven monetization.