Vladyslav Kiienko-Romaniuk

About

I am an experienced software engineer with over 4 years in developing native Android applications and backend solutions. Highly proficient in Kotlin, Android SDK, and backend technologies including PHP and Symfony. My experience covers the complete application development cycle—from architectural design and implementation to optimization and maintenance. As a freelancer, I have developed Android projects in Kotlin and co-created efficient backend solutions across diverse industries.

Experience

android

Worksmile Software Engineer

December 2021 – Present

Key Projects:

  • Migration of Android App to Jetpack Compose: Enhanced user interface and maintainability.
  • Adding new Module: Contributed to architectural design, business requirements, and implementation on both backend and Android sides.
  • Coordination of integrating with a partner: Designed architecture and divided technical tasks across two product teams.

Technologie: Kotlin, Java, Android SDK, Jetpack Compose, PHP, Symfony, Percona, Redis, RabbitMQ, Elasticsearch

calculate

Freelance Android Developer

2020 – 2021

As a Freelance Android Developer, I developed mobile applications based on clients’ technical requirements.

Throughout this role, I completed over 40 projects, gaining extensive experience in various aspects of Android development and strengthening my project management skills.

Languages

Polish

English

Ukrainian

Technologies

developer_mode Programming Languages:

Kotlin

Extensive experience in implementing Android applications and backend solutions based on technical requirements.

Java

Experience in developing projects for both Android and backend.

PHP

Skilled in creating backend applications using various frameworks.

library_books Libraries and Other Technologies:

Android SDK, Dependency Injection (Hilt, Dagger2), Rx, Kotlin Coroutines,
Room, SQL, Percona,
Retrofit, Gson, OkHttp,
Glide, Picasso, Material Design,
Redis, RabbitMQ, Elasticsearch

library_books Architectural Patterns:

Clean Architecture, MVVM, MVP, MVI, CQRS, DDD, TDD

Education

school

Warsaw University of Life Sciences

2020 – Present

Field of Study: Computer Science, Bachelor's Degree

school

Vinnytsia Technical Lyceum

2018 – 2019

Physical and Mathematical Gymnasium №17, Vinnytsia City Council

2009 – 2018

Sample projects

Online CV:

https://kiienko-romaniuk.com