Александр

Oleksandr Sherii
Android/Flutter Developer

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Professional Summary

Versatile Android Developer with over 4 years of experience building, optimizing, and
maintaining production-ready mobile applications. Proven track record in native Android
development (Kotlin, Compose) alongside cross-platform and web-view integration expertise
(Flutter, JavaScript). Adept at solving complex architectural challenges, such as custom library
recompilation and cross-runtime scripts, to deliver seamless user experiences.

Core Skills

● Languages: Kotlin, Java, JavaScript, Dart, SQL
● Android Ecosystem: Android SDK, Jetpack Compose, Custom Views, Room, Retrofit
REST API, WebView Integration, DI (Dagger/Koin), MVVM, MVI
● Web & Cross-Platform: Flutter, React, Node.js, PostgreSQL

Work Experience

Android / Cross-Platform Developer | Udimi

2022 – Present

● App Maintenance & Feature Delivery: Maintained and scaled the flagship Udimi native
Android application and the Tabator ecosystem, ensuring high performance and platform
stability.
● Web-to-Mobile Architecture: Successfully engineered complex web-view integrations
within the main Udimi app, including recompiling the TinyMCE library from source to
ensure complete compatibility with the Android runtime.
● Data Visualization & Scripting: Customized and injected optimized JavaScript scripts
to dynamically render complex ECharts data visualizations natively inside the mobile
app ecosystem.
● Cross-Platform Expansion: Built, launched, and maintained the web version of Tabator
utilizing Flutter, successfully expanding the product's reach beyond mobile platforms.

Personal Projects

● Diabetes Tracker App on Google Play
● Pizza Test App on Github
Languages

English (Intermediate), German (C1), Russian (Native)

Certifications

● Certification: Commercial Software Development – JavaScript | Itransition (2015)
○ Intensive program focused on full-stack development architecture. Developed a
complete full-stack application utilizing React for the frontend, Node.js for the
backend, and PostgreSQL for database management.