Олег

Oleh Bezhyk
Android Developer

Contacts

●​ Email: [відкрити контакти](див. вище в блоці «контактна інформація»)
●​ Phone: [відкрити контакти](див. вище в блоці «контактна інформація»)(Telegram, Viber)
●​ LinkedIn: [відкрити контакти](див. вище в блоці «контактна інформація»)
●​ Location: Lviv, Remote

Summary
Experienced Android Developer with 5+ years of expertise in mobile application development,
specializing in GIS technologies and solutions across various industries. Proficient in Kotlin,
Java, and Kotlin Multiplatform (KMP), with hands-on experience in Jetpack Compose and other
Kotlin Jetpack libraries. Skilled in building complex UI components, implementing advanced
animations, and developing scalable mobile apps with online/offline mapping systems.
Experienced in integrating Firebase libraries to enhance app functionality and analytics. Strong
background in healthcare projects and contributing to telecommunication applications.
Proficient in developing offline applications and implementing seamless data synchronization.
Focused on clean code, performance optimization, and seamless integration of RESTful APIs.
Proven ability to collaborate in cross-functional teams, delivering high-quality products in
dynamic environments. Eager to leverage my skills and passion for innovation in a challenging
and forward-thinking role.

Experience

TherapyBoss Android App
Company: Romexsoft

Position: Android Developer

Period: Nov 2022 - June 2024

Project Description: This mobile application was developed for TherapyBoss, a leading
American insurance company specializing in providing healthcare and social services. Designed
for professionals such as doctors, physician assistants, physical therapists, massage
therapists, and speech therapists, the app offered comprehensive tools to enhance service
delivery. Features included patient record management, health history tracking, medication
monitoring, appointment scheduling with an integrated calendar, and optimized route planning
for home visits. Additionally, the app enabled secure communication between healthcare
providers within the context of individual or multiple patients. Built as a fully offline solution, it
offered manual synchronization capabilities to ensure data consistency.

Responsibilities:
●​ Designed and developed modules for patient record management, health history
tracking, and appointment scheduling.
●​ Implemented advanced route optimization algorithms to improve service efficiency.
●​ Built secure messaging functionality for inter-professional communication within the
application.
●​ Created a fully offline architecture with robust manual synchronization mechanisms.
●​ Leveraged Jetpack Compose for modern and intuitive UI design, ensuring user-friendly
interactions.
●​ Conducted performance optimizations and ensured scalability for resource-constrained
environments.
●​ Collaborated with designers, backend developers, and other stakeholders to deliver
high-quality features.
●​ Reviewed code and ensured adherence to industry best practices.

Tools & Technologies:
Android Studio, Kotlin, Java, Jetpack Compose, MVVM, Hilt, Dagger, Retrofit, Room, Kotlin
Coroutines, Rest API, Firebase, Google Maps SDK, Routing API, JUnit, Espresso, LeakCanary,
Ktor, Glide, Google Play Services, ProGuard, GitHub.

Team: 5 members: 1 Android developers, 1 backend developers, 1 UI/UX designer, 1 project
manager

Xooker
Company: ABTO

Position: Android Developer

Period: May 2022 - Sep 2022

Project Description:Xooker is a mobile application designed for the United States market,
offering users access to promotional coupons for a wide range of products and services. The
app personalized deals based on user preferences, region, and real-time location. By connecting
local businesses with customers, Xooker provided a platform for discovering and redeeming
exclusive discounts and offers.

Responsibilities:
●​ Debugged and resolved application bugs to ensure smooth user experience.
●​ Optimized app performance for faster loading times and efficient handling of large
coupon datasets.
●​ Implemented new features, enhancing the app’s functionality and expanding its value to
users.
 ●​ Made design updates to improve the app's UI/UX based on user feedback and evolving
business requirements.
●​ Collaborated with the backend team to refine API integration and enable dynamic
coupon updates.

Tools & Technologies:
Android Studio, Rest API, Retrofit, Kotlin, RxJava, Room, Android Navigation Controller, MVVM,
Dagger

Team: 5 members: 1 Android developers, 1 frontend developer, 1 tester, 1 project manager

USSD selfcare (Hormuud, Golis, Somnet)
Company: ABTO

Position: Android Developer

Period: Sep 2021 - May 2022

Project Description:This project consisted of three mobile applications developed for the
customers of leading telecommunication operators in Somalia. These apps empowered users
to manage their accounts, check balances, purchase data and airtime, and access other
self-service features with ease. The apps were designed to accommodate diverse user needs,
ensuring high accessibility and usability across various devices and network conditions. Special
focus was placed on delivering a seamless user experience and maintaining compatibility with
older Android versions to cater to a wide audience.

Responsibilities:
●​ Debugged and resolved critical issues, ensuring smooth operation and reliability of the
applications.
●​ Implemented new features, such as enhanced payment options and improved navigation
flows, to meet evolving customer demands.
●​ Optimized app performance by refactoring code, reducing resource consumption, and
enhancing responsiveness.
●​ Conducted performance testing to identify and resolve bottlenecks in real-world
scenarios.
●​ Collaborated with backend developers to integrate new APIs and improve server-client
communication.
●​ Provided post-release support, addressing user feedback and continuously improving
the apps.

Tools & Technologies:
Android Studio, Rest API, Room, MVVM, Kotlin, Android Jetpack Navigation, Retrofit, Firebase,
OneSignal, Dagger
Team:
6 members: 2 Android developers, 1 backend developer, 1 frontend developer, 1 tester, 1 project
manager

Latarnie XXI
Company: GIS Support

Position: Android Developer

Period: Feb 2021 - Sep 2021

Project Description: Latarnie XXI is an innovative mobile application designed for a company
responsible for managing street lighting across the city of Warsaw. The app features an
interactive real-time map that displays the operational status and lighting levels of the city's
infrastructure. The solution was developed to streamline the monitoring and maintenance of
urban lighting systems, enhancing operational efficiency and reducing downtime.

Responsibilities:
●​ Developed and optimized the interactive map module to display real-time lighting data.
●​ Integrated APIs for retrieving and updating the status of city-wide lighting infrastructure.
●​ Ensured smooth performance and responsiveness of the app, even with large-scale
data.
●​ Conducted extensive testing to validate accuracy and reliability of real-time updates.
●​ Collaborated with backend developers to implement seamless data synchronization.

Tools & Technologies:
Android Studio, Retrofit, RxJava, Room, MVVM, MapBox SDK, ViewModel, Data Binding, GIS,
Android SDK, Kotlin, RxAndroid, Glide, Dagger

Team:
6 members: 1 Android developers, 1 backend developer, 1 frontend developer, 2 tester, 1 project
manager

AquagisMobile 2 (online/offline)
Company: GIS Support

Position: Android Developer

Period: Feb 2020 - Feb 2021

Project Description: AquagisMobile 2 is a mobile application designed to support utility
companies in managing urban infrastructure across major cities in Poland. The app, based on
an interactive map, displays extensive datasets, including underground utility lines (electricity,
water, etc.), hydrants, streets, buildings, and other configurable elements. Users can interact
with map objects, view associated data, make edits, and add comments or media files. The
application integrates seamlessly with a more comprehensive web platform, allowing clients to
customize features to meet their specific needs. The app supports both online and offline
modes, ensuring functionality in various working conditions.

Responsibilities:
●​ Implemented interactive map features to visualize and manage large-scale infrastructure
data.
●​ Enabled offline functionality, ensuring seamless data access and synchronization.
●​ Developed tools for object interaction, such as data editing, comment addition, and
media file uploads.
●​ Optimized app performance to handle extensive datasets efficiently.
●​ Collaborated with web platform developers to ensure consistency and compatibility
across platforms.

Tools & Technologies:
Android Studio, Retrofit, RxJava, Room, MVVM, MapBox SDK, ViewModel, Data Binding, GIS,
Android SDK, Firebase, OneSignal, RxAndroid, LeakCanary, Dagger

Team:
6 members: 1 Android developers, 1 backend developer, 1 frontend developer, 2 tester, 1 project
manager

AquagisMobile Lublin
Company: GIS Support

Position: Android Developer

Period: Jan 2019 - Feb 2020

Project Description: AquagisMobile Lublin is a mobile application developed for the water utility
company in the city of Lublin. The app provides real-time, online access to infrastructure data,
including water lines, hydrants, and other related assets. It facilitates the efficient management
and monitoring of the city's water supply system, enabling utility workers to make informed
decisions quickly.

Responsibilities:
●​ Developed features to enable real-time data access for infrastructure management.
●​ Optimized map-based features to enhance user experience and improve data
interaction.
●​ Collaborated with stakeholders to align the app with operational needs and
requirements.
●​ Worked closely with backend teams to integrate real-time data synchronization.

Tools & Technologies:
Android Studio, Retrofit, RxJava, MVP, Kotlin, MapBox SDK, GIS, OneSignal, Room
Team:
6 members: 1 Android developers, 1 backend developer, 1 frontend developer, 2 tester, 1 project
manager

Manhole Register
Company: GIS Support

Position: Android Developer

Period: Aug 2018 - Jan 2019

Project Description: Manhole Register is a mobile application developed for the management of
manhole and sewer infrastructure. It allows for the creation and management of a
comprehensive register of manholes, while also enabling the interactive drawing of pipes to
represent inlet and outlet connections. This tool assists utility companies and urban planners in
maintaining an accurate and up-to-date inventory of sewage infrastructure for efficient
management and troubleshooting.

Responsibilities:
●​ Developed features to enable users to register and manage manholes efficiently.
●​ Implemented interactive drawing tools for mapping pipe connections.
●​ Integrated real-time data validation to ensure the accuracy of infrastructure details.
●​ Optimized pe+rformance to handle large-scale infrastructure datasets effectively.

Tools & Technologies:
Android Studio, Retrofit, Room, MVP, Kotlin, Google Maps, GIS, Glide, Drawing

Education
The University College of Enterprise and Administration in Lublin (WSPA)
2015 - 2019

Specialty: Bachelor's degree in Information Technology

Languages
Ukraine, English - Pre-Intermediate,, Polish - Intermediate