Taras

TARAS KOLOSHMATIN
ANDROID ENGINEER

CONTACT PROFILE

[открыть контакты](см. выше в блоке «контактная информация») I have 9 years of experience in software development, specifically in native
Android app development. During this time, I have participated in more
[открыть контакты](см. выше в блоке «контактная информация») than ten projects (using Kotlin and Java) of various sizes and complexity,
and with teams of different scales. I have strong experience with multiple
Lviv, Ukraine programming languages and technologies, as well as deep knowledge of
the Android SDK. I have a solid understanding of design patterns, object-
https://www.linkedin.com oriented programming, and SOLID principles. I am open-minded and goal-
/in/taras-koloshmatin- oriented, with strong problem-solving skills and the ability to learn quickly.
2b2a6ab6/ I also have experience in mentoring and leading a team. Additionally, I
enjoy working with modern technology stacks such as Kotlin Multiplatform
and Jetpack Compose.
SKILLS
WORK EXPERIENCE
Kotlin Multiplatform
Raiffeisen Bank Aval OCTOBER 2022 -
Jetpack Compose, SwiftUI
Senior Android Engineer PRESENT
Android SDK
Mobile banking application focused on improving user experience, streamlining everyday
Kotlin financial operations, and increasing overall customer satisfaction and app rating
Android Architecture Developed MyRaif application from scratch
Components (LiveData, Implemented new features and provided ongoing support
Supported Raiffeisen Online application
ViewModel, Navigation, Room
Performed code reviews and fixed bugs
etc.)
Super Unlimited Inc. FEBRUARY 2022 -
MVVM/MVI OCTOBER 2022
Senior Android Engineer
Ktor/Retrofit
Development of an international mobile VPN application providing secure, private, and
Kotlin Flow and Coroutines high-performance connections for users across multiple regions

GraphQL, REST Supported existing application
DI: Kodein, Koin, Hilt Implemented Advertising mediation SDKs: AdMob, MopUp, Pangle,
Amazon etc.
WebRTC Rewrote the advertising feature from scratch using the latest Android
AWS, Amplify, ExoPlaye, technologies
Fixed bugs
ChatKit, PayTabs
Code review
MapBox, GoogleMap
Lionwood.software OCTOBER 2020 -
Firebase, FCM OCTOBER 2021
Mobile Team Lead
Worked on several applications from scratch, including NIT — an educational app that
replaced traditional paper diaries, Constructify — an employee time-tracking application,
LubeAvto — a cross-platform solution for searching, booking, and purchasing cars from
LANGUAGES the U.S. and Europe built with Kotlin Multiplatform, and Lingon — a Kotlin Multiplatform
application for purchasing goods using Bitcoin

English (Upper Intermediate)
 Led the mobile team
Mentored team members (Middle and junior developers)
Developed mobile applications and provided ongoing support
Implemented new features
Designed and implemented clean, maintainable, and scalable
architecture using MVVM/MVI
Developed mobile applications from scratch using Kotlin Multiplatform
technologies
Built UI using Jetpack Compose and modern Android UI best practices
Worked with Kotlin Flows, Coroutines, and structured concurrency
patterns

JetSoftPro FEBRUARY 2020 -
Android Software Engineer OCTOBER 2020

Video-streaming platform from scratch that enabled users to fulfill other people’s wishes and dreams in real time
Developed Android applications from scratch and maintained them
Implemented a full video-streaming module
Added new features and improved app functionality
Adapted the video-streaming feature from the iOS version
Fixed bugs and improved performance
Performed code reviews and enhanced code quality

Binariks Inc. OCTOBER 2019 -
Android Software Engineer FEBRUARY 2020

Supported a ride-hailing application similar to Uber while delivering new features and improving overall app
functionality
Supported the application and ensured stable operation
Fixed bugs and resolved production issues
Developed new UI components and improved overall functionality
Implemented PayTabs integration and social media sharing
Pier2 Marketing OCTOBER 2016 -
Android Software Engineer OCTOBER 2019

Worked on several applications in the health and fitness domain
Gained my first experience in Android development
Participated in supporting multiple applications from scratch
Fixed bugs and improved app stability
Learned and adopted new technologies

EDUCATION
Master's Degree AUGUST 2015 -
Information Communications Networks | Lviv DECEMBER 2016
Polytechnic National University

Cisco Network Academy SEPTEMBER 2014
At Cisco Networking Academy, I acquired essential skills to install, manage, and - JANUARY 2016
troubleshoot small LAN networks, including basic network security. I gained hands-on
experience through lab work, accumulating approximately 70 hours configuring
dynamic routing protocols (RIP, OSPF, EIGRP), VLANs and inter-VLAN routing, port
security, DHCP, NAT, ACLs, STP, EtherChannel, and site-to-site VPNs.

Bachelor's Degree AUGUST 2015 -
Telecommunications Engineering | Lviv DECEMBER 2016
Polytechnic National University