Oleg is available for hire
Hire OlegOleg Filimonov
Verified Expert in Engineering
Software Developer
Location
Dubai, United Arab Emirates
Toptal Member Since
November 6, 2017
Oleg is an expert in native Android development. In his career, he's covered every aspect of creating an Android application: from UI/UX design to development, testing, publishing, and support. Most importantly, Oleg is passionate and loves his job. Oleg is always available online and has great communication skills.
Portfolio
Makeen
Android, Firebase, React, Git, React Native, iOS, Mobile, Mobile Development...
Wirestorm
Android, Firebase, Git, React Native, iOS, Mobile, Mobile Development...
Frevia
Android, Firebase, Git, UI Design, Android Development, Java, Mobile...
Experience
Availability
Part-time
Preferred Environment
Git, Slack, Jira, Android Studio, WebStorm
The most amazing...
...project I've worked on was the massively popular Ownage Pranks app: it had over 100,000 unique users in the first month.
Work Experience
Software Architect | Team Lead
2018 - PRESENT
Makeen
- Supported the development of multiple React Native applications.
- Created native UI components for React Native applications.
- Created native modules for React Native applications.
Technologies: Android, Firebase, React, Git, React Native, iOS, Mobile, Mobile Development, REST APIs, TypeScript, APIs, Redux Thunk, Jest, Figma, Amazon Web Services (AWS), Google Cloud Platform (GCP), JavaScript
Mobile Software Developer
2017 - 2018
Wirestorm
- Built native Android modules for React Native applications.
- Created a framework for React Native applications.
- Supported the development of multiple React Native applications.
Technologies: Android, Firebase, Git, React Native, iOS, Mobile, Mobile Development, REST APIs, APIs, TypeScript, Jest, Google Cloud Platform (GCP), JavaScript
Android Developer
2017 - 2018
Frevia
- Created an Android application called Frevia. It is an online multiplayer trivia game.
- Built fully custom animated UI components. Helped with UI/UX design of the application.
- Developed an Android module for handling video playback on multiple texture surfaces.
- Handled the publication of the application to the Google Play Store and helped with ad campaigns.
Technologies: Android, Firebase, Git, UI Design, Android Development, Java, Mobile, Mobile Development, REST APIs, APIs
Android Developer
2017 - 2017
Ownage Labs
- Created an Android application called Ownage Pranks which allows the user to make automated anonymous prank calls.
- Fixed issues related to large user traffic.
- Improved the performance and stability on devices with a slow internet connection.
Technologies: Android, Firebase, Git, Android Development, Java, Mobile, Mobile Development, REST APIs, APIs
Lead Android Developer
2017 - 2017
After Class
- Created an Android application called Three Min Passion: it's a service that provides video lessons with interactive elements.
- Built a module for dynamically creating an Android layout with support for images, videos, text, and support for animation of the elements.
- Supported the app after the publication.
- Built a JavaScript module for displaying a force-directed graph of content and connected it to the Android SDK.
- Led a small team of Android developers to provide additional features and support for the app.
Technologies: Android, Git, JavaScript, Android Development, Java, Mobile, Mobile Development, REST APIs, APIs
Android Developer
2016 - 2017
App Fiction GmbH
- Created an Android application called Blanana: a social network that provides users with geo-location based local chat with support for image messages.
- Worked on the UI and UX design.
- Provided support after the publication of the app.
- Integrated image content editing and verification.
Technologies: Android, Git, UX Design, UI Design, Android Development, Java, Mobile, Mobile Development, REST APIs, APIs
Android Developer
2015 - 2017
Indoora
- Researched and created an algorithm for mapping custom rectangular maps onto a Mercator projection.
- Created an SDK for displaying custom-tiled maps from PNGs, multi-level maps, multi-level positioning, and navigation; based on the Google Maps API.
- Developed a Windows .NET application for slicing PNG maps into tiles with different levels of detail; based on ImageMagick.
- Created an Android application called Tuyap that uses the custom SDK. The features include dynamic theme switching and large dataset management.
Technologies: Android, Git, C#, Android Development, SDK Development, Java, Mobile, Mobile Development, REST APIs, APIs
Experience
Ownage Pranks Real Prank Call
https://play.google.com/store/apps/details?id=com.prankcalllabs.prankcallappAn app for creating automated anonymous prank calls from your phone.
Three Min Passion
A collection of video lessons with interactive elements aimed mainly to learn English language.
Sleep Time
https://play.google.com/store/apps/details?id=ru.olegfilimonov.sleeptimeA simple app that helps users to calculate how much to sleep according to sleep-cycle-related research.
Color Match
https://play.google.com/store/apps/details?id=com.daletbat.colormatchFree.androidA cross-platform puzzle Android game made with LibGDX written in Java.
Poker Hands
https://play.google.com/store/apps/details?id=com.daletbat.pokerhandsA simple app that displays a list of poker combinations and a little recognition game to help remember them.
Tuyap
An app that offers access to all information related to trade fairs, including indoor navigation with turn-by-turn multi-floor navigation, time-based events, eCommerce, dynamic theming, and much more.
Blanana
A geolocation-based social network that provides an option to chat with nearby users. Includes features such as profile customization, image and GIF message support, the automatic refresh of the feed, and the comment feed.
Gifer
https://github.com/OlegFilimonov/giferThe app with a search bar that queries the GIPHY API and shows previews of GIFs. You can click on the items to watch the full video of the GIF. You can also rate the items that will be stored locally.
The app was built with clean architecture, the repository pattern, the MVP pattern, RxJava, Dagger, and Retrolambda.
To run the app, open the link—github.com/OlegFilimonov/gifer—in Android Studio 2.3+ and install the Lombok plugin.
The app was built with clean architecture, the repository pattern, the MVP pattern, RxJava, Dagger, and Retrolambda.
To run the app, open the link—github.com/OlegFilimonov/gifer—in Android Studio 2.3+ and install the Lombok plugin.
Skills
Languages
Java, TypeScript, JavaScript, C#
Frameworks
React Native, Dagger 2, Redux, Flutter, Dagger, Jest
Libraries/APIs
React, Retrofit 2, RxJava 2, REST APIs, Node.js, Firebase Android SDK, RxJava
Tools
Trello, Git, WebStorm, Android Studio, Figma, Firebase Cloud Messaging (FCM), Microsoft Visual Studio, Slack, Jira, YouTrack, Redux Thunk, Adobe Photoshop
Paradigms
Unit Testing, Clean Architecture, Mobile Development, Model View Presenter (MVP), Agile, Reactive Programming, UI Design, UX Design, E2E Testing
Platforms
Android, Firebase, Mobile, Amazon Web Services (AWS), iOS, Google Cloud Platform (GCP)
Other
APIs, User Experience (UX), User Interface (UI), SDK Development, Android Development, Animated GIFs, Retrolambda
Storage
MongoDB
Education
2017 - 2019
Master of Science Degree in Computer Science
Saint Petersburg State Electrotechnical University - Saint Petersburg, Russia
2013 - 2017
Bachelor of Science Degree in Computer Science
Saint Petersburg State Electrotechnical University - Saint Petersburg, Russia
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