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Fiverr Pro
Italiano
$
USD
Elijah Monj
@elijahmonjardin
Fullstack Developer
Filippine
Inglese
Chi sono
Full-stack engineer building and shipping production web and mobile products from idea to launch. Experienced with React, Next.js, React Native, Firebase, app store publishing, ad monetization, subscriptions, and in-app purchases. I handle the full product lifecycle, including backend stability, analytics, performance, revenue, maintenance, and live issue fixing. Recently shipped an app that surpassed 100k downloads in under a month while improving revenue, reliability, and retention.
Competenze
Elijah Monj
offline •
Consulta i miei servizi
Sviluppo multipiattaforma
I will integrate revenuecat into your react native app
Digital marketing
I will integrate admob in your react native app
Portfolio
Esperienza lavorativa
Full-stack Developer
Freelance • Full time
Jun 2025 - Present • 1 yr 2 mos
Development and Shipping: Built and shipped a React Native Expo app end to end, from features and release pipeline to App Store and Google Play submission, reaching 100k+ downloads in under 1 month. Ad Monetization: Owned the full AdMob stack, including ad placements, multi network mediation, mediation tuning, and eCPM floors, driving ad revenue well beyond a single network setup. Firebase: Used Firebase end to end with Cloud Functions for sensitive logic, keys, and validation, App Check for API security, plus Firestore, push, Remote Config, and Analytics. Optimized queries and caching to keep cloud costs low at scale. Subscriptions: Built RevenueCat subscriptions and in app purchases with region based pricing and offers, reliable entitlement sync, and hands on support for billing, restore, and purchase issues.
