Saurav Kumar

Senior Android Developer with 5+ years of experience designing and developing scalable Android applications using Kotlin and Java. Skilled in Jetpack Compose, MVVM, Clean Architecture, Firebase, REST APIs, and payment gateway integration. Experienced in delivering user-centric mobile applications with a focus on performance, security, and Agile collaboration.

Senior Android Developer - AppSmartz

(2025-08)

• Integrated Google AdMob monetization including Banner, Interstitial, and Rewarded Ads.
• Implemented AdMob Mediation with AppLovin, Vungle, Moloco, Mintegral, Pangle, Meta Audience Network (Facebook), Yandex, AudioMob, and Crackle to maximize ad revenue and fill rates.
• Developed consumer-facing Android applications using Kotlin, Jetpack Compose, MVVM, Coroutines, Room DB, REST APIs, and Gradle.
• Implemented Singular SDK for deep linking, campaign attribution, user acquisition tracking, and event analytics.
• Optimized app performance through crash reduction, ANR prevention, memory optimization, and low-end device support.
• Developed subscription and In-App Purchase flows using Google Play Billing and managed Play Store releases.

Android Developer - Esfersoft Solutions Pvt. Ltd

(2024-01 - 2025-08)

• Delivered TeleDoc App (Doctor–Patient Consultation App) enabling real-time video/audio consultations, appointment booking, and seamless healthcare interactions.
• Built SendDrone (Drone Tracking Application) providing real-time tracking solutions using Mapbox and WebSocket communication.
• Developed EmpowerMe (Music & Healing App) focused on emotional wellness with guided audio experiences and personalized content.

Software Engineer - Scramble Apps Pvt. Ltd.

(2022-05 - 2024-01)

• Delivered Fittr, a scalable fitness application with nutrition tracking, workout management, and personalized coaching features, improving user engagement.
• Built an AI-powered Image Processing App enabling toon effects, facial transformations (cartoon avatars), hair color changes, and real-time visual enhancements.
• Developed HookZapp (Dating App) with user matching, profile management, and real-time interactions, enhancing user engagement and social connectivity.

Software Developer - ToXSL Technologies Pvt. Ltd

(2021-02 - 2022-05)

• Developed Android applications using Java and Kotlin.
• Implemented UI/UX designs and REST API integration.
• Built social login features (Google, Facebook) to enable seamless user authentication and onboarding.

Masters in Computer Application - Computer Application - Lovely Professional University (2021)