Welcome to Azizkhuja's Blog

November 2022 – Present

Improved app performance by reducing loading time for the start page by 45%, enhancing user experience and engagement for thousands of daily users
Led end-to-end implementation of push notifications for Android using Bloomreach (Exponea), delivering support across 8+ international markets and increasing user engagement across platforms
Migrated an Android app from Android 14 to Android 15 (SDK 35), addressing compatibility, behavioral changes, and device-specific issues, ensuring app stability across all supported devices
Implemented atomic design and modular system architecture for Android components, improving maintainability, code reuse, and developer discoverability across the team
Managed app releases and production rollout via Google Play Console workflows, ensuring smooth delivery and minimal disruptions for end users.
Mentored junior developers and shared knowledge, accelerating their onboarding and strengthening internal engineering ownership.
Collaborated with Android, iOS, Backend, QA, product teams and stakeholders to deliver scalable, reliable features that improved app performance and user experience across multiple markets

May 2022 – October 2022

Built and maintained cross-platform React Native and web features for a tourism and hospitality platform supporting core user flows across mobile and web
Collaborated with product, design and engineering teams throughout the development lifecycle, contributing to feature definition, implementation and delivery
Improved code quality and maintainability by participating in code reviews documentation, and shared technical design discussions

November 2025 – Present

Developed a functional Android Push Notification SDK inspired by Bloomreach, built with Kotlin and Firebase Cloud Messaging
Designed for easy integration, supporting automatic POST_NOTIFICATIONS handling (Android 13+) notification stacking, and secure backend token reporting
Includes documentation and usage examples hosted on GitHub

Apr 2024 – Present

Personal blog sharing insights on Android development, app performance, and mobile engineering
Popular posts on Android 15 migration and push notifications with Bloomreach reached 4,000+ readers, demonstrating practical solutions for real-world challenges

University of Ecology and Management in Warsaw

Bachelor’s in Engineering and Management 2016 - 2020

Work Experience