Pradyumn Bhushan

AppX (Creator Economy Tech Pvt. Ltd.)

Oct 2024 - Jan 2026

Developed and maintained a large-scale Android platform powering multiple white-label educational applications using a scalable multi-flavor Gradle architecture.
Architected reusable BuildConfig feature flags and Gradle product flavors, enabling rapid client-specific customization from a shared codebase.
Designed and implemented an Instagram Reels-style short video module using Android Media3 (ExoPlayer) with HLS streaming, autoplay, intelligent preloading, thumbnail caching, and RecyclerView player reuse.
Optimized networking with Retrofit/OkHttp caching, DNS-over-HTTPS resolution, connection pooling, API error handling, and offline-first strategies.
Customized and deployed client applications by managing branding, application IDs, API endpoints, deep links, feature toggles, and release configurations.
Integrated and maintained Firebase Crashlytics, Analytics, Cloud Messaging, Realtime Database, and the Meta/Facebook SDK for monitoring, analytics, and monetization.
Developed and optimized learning platform features including test series, solution pages, authentication, a PDF viewer, bookmarks, notifications, and production bug fixes.
Collaborated with backend engineers, QA, and product teams on production releases, performance improvements, client-specific enhancements, and critical hotfixes.

Sigma IT Softwares & Designers Pvt. Ltd.

Jul 2022 - Sep 2024

Delivered Android applications end-to-end, from requirement analysis and feature implementation through testing, Google Play Store publishing, and post-release maintenance.
Integrated secure payment gateways, Google Maps, Firebase Crashlytics, Analytics, FCM, Realtime Database, push notifications, and background services across production applications.
Built scalable Android applications using Kotlin, Java, MVVM, Retrofit, Android Jetpack, Coroutines, and REST APIs.
Improved application stability by resolving production issues, optimizing API integrations, and enhancing application performance.
Collaborated with cross-functional teams to deliver new features, client customizations, and timely production releases.

Techdock Pvt. Ltd.

Feb 2022 - Jul 2022

Developed Android applications using MVVM architecture with Kotlin and Java.
Integrated Shopify GraphQL APIs for data-driven features and backend communication.
Implemented Firebase Authentication and Realtime Database for secure user management and real-time synchronization.
Contributed to UI implementation, API integration, bug fixing, and feature development in an Agile development environment.