Mobile Ad Engineer Android

About the Position

Senior Mobile Ad Monetization Engineer (Android)

We are seeking an experienced Senior Mobile Ad Monetization Engineer for Android 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.

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.

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 Have

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

We Offer

• Salary: €4,600 - €7,000 per month, depending on experience.
• Type of work: 100% remote.
• Contract type: B2B contract (invoicing Optiveum Poland).
• What else is offered: You will own critical, revenue-generating infrastructure in a profitable startup. You get full remote flexibility and the chance to build technology used by millions. (Note: This is a pure B2B contract with a high base rate; no additional corporate perks are provided).

About the Company

Optiveum is a recruitment and consulting company created based on our 20-plus years of experience in HR & IT services.

We work for clients located in Poland and abroad providing our local and international candidates with project-based or permanent job opportunities in a remote or office-based model.

COMPANY DATA

Optiveum Sp. z o.o.

ul. Tomasza Zana 43 lok. 2.1 20-601 Lublin, Poland

nr KRS: 0000834436, NIP 7010975729

Contact us at: info (at) optiveum.com

Founded in 2020

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