YAROSLAV P. — Middle Android Developer

Expertise in Android (4.0 yr.), Mobile Apps (4.0 yr.), Kotlin (4.0 yr.).

Last verified on October, 2025

Core Skills

Java SE

Kotlin

Android

Bio Summary

Android developer with a strong foundation in software engineering, holding a Bachelor's Degree in IT and Software Engineering, and boasting over 4 years of professional experience. Expertise in Java SE, Kotlin, and Android SDK underscored by proficiency in MVVM, MVP, and Clean Architecture, ensuring scalable and maintainable code. Adept in modern Android development tools like Jetpack Compose and Navigation Component, coupled with mastery in Networking & APIs like Retrofit 2 and Stripe API. Demonstrated abilities in asynchronous programming using Kotlinx Coroutines, and commitment to quality through rigorous test case development. Proven track record in contributing to all phases of the SDLC in various projects, from user interface implementation to application deployment for mobile and Android TV platforms.

Technical Skills

Programming Languages	Kotlin
Android Libraries and Tools	Android APIs, Kotlin
Java Libraries and Tools	Java SE
Mobile Frameworks and Libraries	OneSignal
UI Frameworks, Libraries, and Browsers	XML
Cloud Platforms, Services & Computing	AWS
Google Cloud Platform	Google Cloud Pub/Sub
Platforms	Android
SDK / API and Integrations	Android APIs
Version Control	Git
Deployment, CI/CD & Administration	GitLab CI
Collaboration, Task & Issue Tracking	Jira
Methodologies, Paradigms and Patterns	OOP, SOLID

Work Experience

Middle Android Developer, User Profile Implementation for Android App & Android TV

Duration: Aug 2023 - Present

Summary: Development and implementation of a User Profile for the mobile part of the application, and also extending support to Android TV.

Responsibilities: Participated in development, collaborated with teams, defined and refined project specifications, ensured application performance, reduced errors, wrote tests, reviewed team's code.

Technologies: Android SDK, Jetpack Compose, Navigation Component, DataBinding, RecyclerView, ExoPlayer, Google Maps SDK, Retrofit 2, OkHttp3, Gson, Socket.io, Stripe API, Firebase, Dagger Hilt, Glide, Picasso, Kotlinx-Coroutines, Test Case Development, Android Studio, Git, GitLab, Firebase, Branch.io, Jira, Google Play, OneSignal

Junior Android Developer, Translation and Voice-Over Video Application

Duration: Feb 2023 - Aug 2023

Summary: Implementation of new UI components, bug fixing, and code cleanup for an application aimed at automatic translation and voice-over of video.

Responsibilities: Implemented new UI components, performed bug fixing and code cleanup, worked with MVVM, built user interfaces using Jetpack Compose.

Technologies: Java SE, Kotlin, XML, MVVM, Jetpack Compose, Retrofit 2

Junior Android Developer, Internal Product for Work Optimization

Duration: Oct 2022 - Feb 2023

Summary: Working with map coordinates for custom UI components and collaborating with UI/UX teams for a company's internal product.

Responsibilities: Worked on custom rendering UI components on the map, collaborated with UI/UX teams to revamp the user interface.

Technologies: Java SE, Kotlin, XML, Retrofit, Custom Map UI Integration

Junior Android Developer, E-Church Mobile Application

Duration: May 2021 - Oct 2022

Summary: Development of mobile application for E-church, including implementation of UI, business logic, and API components.

Responsibilities: Implemented UI, business logic, and API components, reviewed team's code, worked with Retrofit for API calls.

Technologies: Java SE, Kotlin, XML, Retrofit, Custom UI and Business Logic Integration

Education

Bachelor’s Degree in Information Technology and Software Engineering
National Aviation University
09/2015 – 06/2020

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