Contact person: Fix Ad Mediation Fill-Rate & Improve eCPM for Android VPN App (70% users in Iran) -- 2

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Location: Dubai, United Arab Emirates

Budget: Recommended by industry experts

Time to start: As soon as possible

Project description:
"Context:
Android VPN app with high traffic. ~70% users are in Iran, ~30% rest of world. Using AdMob mediation (bidding + waterfall) with Rewarded Interstitial / Interstitial / Banner.
Current issues:

High requests but very low impressions (large portion is No Fill / Empty).

Low match/fill rate and weak eCPM, especially in Iran.

Some mediated networks rarely show ads or don’t serve at all.

(Attached dashboard sample: 500K+ requests / ~41K impressions in 7 days, Match ~41%, overall eCPM ~AED2.14; format breakdown included.)

Objectives:

Identify the root causes of No Fill / mediation not serving.

Increase fill/match rate and eCPM via technical fixes + mediation strategy.

Deliver a diagnostic report, actual fixes (dashboards + code), and a test build.

Deliverables:

Full AdMob/Mediation audit (waterfalls, bidding, floors & currency, geo targeting, block lists, Iran eligibility, Families/TFUA, [login to view URL], etc.).

SDK/adapter upgrades and Android build fixes (ProGuard/R8, Gradle), plus review of timeouts, callbacks, caching, preload & show timing.

Geo-specific optimization for Iran vs RoW (separate ad units, floors, caps/refresh, category restrictions).

Instrumentation & logs for mediation error codes (NO_FILL, MEDIATION_NO_FILL, timeouts) and before/after metrics.

Short documentation of changes and maintenance tips.

Access (read-only is fine):
AdMob + mediated networks, Firebase/Analytics, Android repo (read), and Play Console read if needed.

Success Metrics (KPIs):

Raise fill/match rate in Iran to 60–70%+ (or +20% absolute improvement).

Increase eCPM for Rewarded/Interstitial in Iran & key markets.

Higher Impressions/Requests ratio and improved daily revenue.

Required expertise:

Deep AdMob Mediation knowledge (bidding & waterfall), policies, Families/TFUA, UMP/GDPR.

Hands-on with networks that serve Iran and practical No-Fill workarounds.

Android (Kotlin/Java), Gradle, Play Console, mediation log analysis.

Please answer in your bid:

Similar projects & results (especially in Iran).

Your approach to isolate No Fill causes (geo/policy/adapter/timeout).

Networks/strategy you recommend for Iran.

ETA for initial audit and test build." (client-provided description)