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Work experience

Senjor Android Developer

from 11.2017 to 02.2023 (5 years 4 months)
Iricom, Київ (IT)

Mobile Security & Parental Control App Development
Developed multiple mobile applications for telecom operators from scratch —
from architecture to release and post-release support:
https://play.google.com/store/apps/details?id=ua.kyivstar.mbezpeka
https://play.google.com/store/apps/details?id=ua.radarsmart.com
https://play.google.com/store/apps/details?id=ua.lifecell.pm
https://play.google.com/store/apps/details?id=kz.safemobile
(and others)
Built core business logic, geofencing, background services, UI, multi-language
support, and integrated with telecom APIs.
DevOps & Internal Tools:
Implemented continuous integration (CI) processes in the company using
Jenkins.
Developed internal automation tools and web interfaces using AngularJS
(frontend) and Java/Kotlin with Payara/MySQL (backend).
These tools enabled non-technical team members to:
– configure projects (apps);
– add localization for new languages;
– trigger builds (TEST/PROD/PREPROD) without direct developer involvement
or Bitbucket access.
– oth.

Senjor Android Developer

from 08.2016 to 05.2017 (10 months)
Ezlogz inc., Дистанційно (IT)

Built a complex Android application with a large number of screens in a highly
time-constrained environment.
The app assists truck drivers in the U.S. with their daily operations:
– HOS (Hours of Service) logbook management
– Map-based navigation and driving time tracking
– Search for fuel stations, motels, and truck stops
– Document handling, compliance, and reporting tools
Tech stack:
RESTful API, Google Services, OkHTTP, Realm.io, Otto Event Bus, Java
Concurrency, Fabric, LogEntries, Eclipse MAT (Memory Analyzer Tool), SVN,
Git, Scrum, Zoho.

Senjor Android Developer

from 02.2015 to 03.2016 (1 year 2 months)
Aroglyph inc. (USA) & EldoS Corporation (UK), Київ (IT)

Senior Android Developer – ARoglyph/Eldos (USA/UK)
Developed from scratch a complex Android application similar to Foursquare,
focused on location-based messaging and augmented reality.
The app allowed users to leave virtual notes (text, voice, images) pinned
to GPS locations, visible to others within a chosen radius and time frame.
Augmented reality mode was implemented using custom OpenGL rendering.
As a Senior Android Developer, I was responsible for core app architecture,
offline data handling, geolocation logic, and background services.
https://dou.ua/lenta/articles/dou-projector-aroglyph/
Tech stack: RESTful API, Google Services, Realm.io, Otto, Concurrency,
Fabric, LogEntries, Eclipse MAT, SVN, Git, Scrum, Zoho.

Middle Android Developer

from 08.2014 to 12.2014 (5 months)
I2I, Київ (IT)

Developed client-side and server-side components for mobile applications
Built admin panels and web dashboards for managing services
Designed and integrated Android applications, including full-cycle
implementation
Integrated applications into shopping malls and retail environments
Created web parsers and data extraction tools using C++Builder or PHP with
RegExp and MySQL
Designed geolocation system architecture for indoor positioning in malls using
Bluetooth LE, based on triangulation of RSSI values

System administrator

from 08.2013 to 02.2014 (7 months)
OPTAVideo, Київ (Телекомунікації, зв'язок)

My responsibilities included:
Developing and populating a product catalog website using Joomla
Framework, PHP, CSS, HTML, MySQL, jQuery, JSON

Private Entrepreneur (3rd tax group)

from 05.2013 to now (13 years 3 months)
Private Entrepreneur, Київ (IT)

Video Editor / System Administrator

from 01.2011 to 06.2011 (6 months)
Media-Retail, Київ (Маркетинг, реклама, PR)

My responsibilities included:
Creating promotional video and audio advertisements using After Effects,
Photoshop, Illustrator, Sound Forge
Editing content and assembling playlists for in-store broadcasting
Uploading media content to the department store’s internal system
Working additionally as a system administrator
Designing and maintaining the company’s corporate website

Technical Director / Co-owner

from 09.2008 to 02.2011 (2 years 6 months)
Vik-Brovary, Київ (Маркетинг, реклама, PR)

My responsibilities included:
-Co-founding the company and leading technical development and system
administration
-Creating a custom advertising media platform, including software setup,
configuration, and support (FrameBlend)
-Producing advertising videos and presentations using Premiere, Vegas Video, After Effects, 3DMax, SoundForge
-Editing video/audio content and compiling broadcast playlists

VideoEditor & С++Programmer

from 05.2004 to 06.2008 (4 years 2 months)
Public Corporation "VIK", Київ (Маркетинг, реклама, PR)

Responsibilities:
– maintaining ~50 Linux-based PCs
– developing advertising software (C++Builder, DirectShow, Linux Shell Bash)
– creating and editing video/audio content (Premiere, Vegas Video, After
Effects, SoundForge, 3DMax)
– creating and managing playlists for indoor TV
– PC repair and configuration
– working with technical documentation and blueprints
– media planning using MarkData (GfK)

Education

Kyiv University of Market Relations

075 Marketing, Київ
Unfinished higher, from 2024 to 2028 (4 years)

Knowledge and skills

• Java
• Kotlin
• Android SDK
• MVVM
• Clean Architecture
• RxJava2
• RxJava3
• Coroutines
• Dagger2
• Hilt
• Retrofit2
• Room
• Realm.io
• Git
• Jenkins
• MySQL
• AngularJS
• Google Maps
• Geofencing
• HERE Maps

Language proficiencies

• Ukrainian — fluent
• English — average

Additional information

My primary focus is Android development, but I can also develop Web APIs in Java (GlassFish server) with MySQL, and create single-page applications using AngularJS (e.g., for internal company tools or DevOps needs, provided an HTML template is available).

I have the most experience in geo-fence applications and apps that work offline. I’m skilled in battery usage optimization and background task handling — particularly on problematic Chinese Android models with limited API compatibility.