Vasil Kovalenko
Private message 
Ivano-Frankovsk,
Ukraine
a little busy
Rating
Language proficiency level
Українська: fluent
Русский: upper-intermediate
English: intermediate
CV
My name is Vasyl. I am developing mobile applications for the Android platform in the Kotlin programming language. I have been working in this field for 2 years, I have also been creating gaming applications for mobile devices on the Unity engine for more than 4 years.
Skills and abilities
Programming
Design & art
Mobile development
Portfolio
-
App for training at home
App Development for Android
Functionality of the application:
- Sets of exercises for all parts of the body, several levels of difficulty (beginner, intermediate and advanced)
- Exercises are divided into categories (it is possible to filter by category)
- All exercises are accompanied by animations
… - Calendar, with the ability to track your activity
- Graph to track changes in body weight
- Calculation of body mass index
- Customize the display of exercises (list or tiles)
- Light and dark application themes
- Other (Share app, privacy policy, start screen, etc.)
-
MC mod application
App Development for Android
Application functionality:
- View the list of available mods
- View general mod information
- Adding mods to favorites
… - Downloading mods
- Premium mode, available with subscription
- Native advertising, interpage advertising, AppOpen advertising and reward advertising
- UMP Integration (GDPR, US)
- Application language settings
- Installation instructions page
Used APIs: Firebase, Admob, UMP, GooglePlayBilling.
-
Weather Application
App Development for Android
Application functionality:
- Horoscope
- Current weather, weather forecast for 7 days and two weeks
- Premium subscription (weekly, monthly and annual)
… - Banners, interstitial and reward ads
- Localization in 22 languages
- Select temperature units
- Select time display
- Search for locations
- Configure PUSH notifications
- Firebase Analytics
- Other (Share application, leave feedback, privacy policy, initial setup screens, etc.)
Used APIs: Firebase, Admob, OpenWeatherMapAPI, Qonversion
-
Puzzle game
Gaming Apps
Functionality of the game:
- Сharacter movement by swiping
- Ability to choose colors or set your own
- In-game purchases
… - Banners, interstitials and reward ads
- A large number of levels
- Increasing complexity
- Multilingualism
- Adjust vibration and sound
- Tutorial
- Firebase Analytics
APIs used: Firebase, Google Admob, DoTween.
-
Parking terminal
App Development for Android
Application functionality:
- Interactive map with the possibility of choosing parking
- Search for parking by name or address
- Adding new parking
… - Maintenance of added parking lots
- Editing parking information
- Viewing receipts and bookings
- Login with Google
- Registration/authorization by email
- Personal user profiles (clients, operators, administrators)
- Password recovery by email
- User administration
- Profile editing
- Localization
Used APIs: GoogleMapsAPI, Firebase.
-
Object detector camera
App Development for Android
Functionality of the application:
- Object recognition
- Save photos from the main and front camera
- View all photos taken
… - Adjust the maximum number and accuracy of recognition
- Settings for saving pictures from the front camera
- Flashlight
APIs used: TensorFlow Lite API
-
Weather App
App Development for Android
Functionality of the application:
- Search for locations
- Current weather
- Weather forecast for tomorrow
… - Forecast for five days
- Widget that is updated every hour
- Application language settings
- Customize the color theme of the app
- Select temperature units
- Set up time for daily weather alerts
APIs used: OpenWeatherMapAPI
-
News App
App Development for Android
Functionality of the application:
- News Feed
- Reading articles directly in the app
- History of read
… - Bookmarks
- Notifications with current news
- Light/Dark theme
Used API: NewsAPI
Reviews and compliments on completed projects 29
18 September 2025
220 USD
Create an application for Android
Vasyl did an excellent job with the order, everything is exactly as it was in the design, he took into account all the wishes, the application works just as I imagined! Very responsible performer, he meets all deadlines, and was always in touch..
3 February 2025
11 USD
Add Firebase Config
The work was done quickly and without comments. Excellent developer!
22 January 2025
101 USD
Redesign and edits of advertising for the Android application JAVA
It is very pleasant and comfortable to work with this developer. The project was completed ahead of schedule. I am satisfied with the quality.
5 November 2024
41 USD
Fix notifications in the application for Android (java)
Great job! Everything works perfectly and was completed on time. Thank you!
26 October 2024
68 USD
Redo the original Unity Idle Tower Defense
Vasyl is the best freelancer I have ever worked with on game development. He completed all the work quickly and accurately on time, was always in touch, and responded promptly to all questions. Moreover, he provided additional services, which was very pleasant and helped improve the final result. I am completely impressed with his professionalism and approach! If you are reading this review and have doubts, know that Vasyl will do everything as best as possible.
21 September 2024
23 USD
Clicker for TikTok
The performer completed the work professionally. On time and with quality. I recommend to everyone.
14 September 2024
23 USD
Import 3D model
Everything is clear and prompt. I recommend for collaboration.
6 September 2024
23 USD
Package the web application.
Everything is great, I recommend for collaboration.
8 June 2024
34 USD
Development of a simple application for Android (WebView)
As always, everything was done quickly and wonderfully 🙂 Very satisfied with the cooperation!
16 February 2024
18 USD
Development of Applications
Everything is great, everything is great, everything is great.
30 January 2024
45 USD
Native Android App
Василь превосходный разработчик, всегда на связи, сделал приложение даже раньше срока, правок минимум, правки внес моментально, результатом очень доволен, спасибо большое за прекрасную работу.
Однозначно рекомендую к сотрудничеству!)
| Response review
15 November 2023
14 USD
Updates of Prile
This time faster than planned.
11 November 2023
34 USD
Make two mini games on the finished design
It’s not the first time I work with this person, everything is done quickly and quality. I advise!
5 November 2023
23 USD
Connect OneSignal to the app
As always, it’s wonderful. I like a professional and responsive approach to work. 🙂
4 November 2023
45 USD
Game app with web.
The work was done quickly and quality!
16 October 2023
18 USD
Development of attachment
Everything is fine, everything is done as agreed.
14 October 2023
90 USD
Create a mobile game based on ready assets in Unity 3D
Everything is great, done at a high level! A good price and quality ratio. If the project shows a result, then we will definitely go again and continue to work. Thank you again!
23 September 2023
11 USD
Advertising on Unity AdMob
Very pleased with cooperation.
20 September 2023
23 USD
Connect advertising identifiers to the unit.
The work is done quickly and efficiently. There is no narcissus. If such services are available, I will definitely contact you.
10 September 2023
45 USD
Developing a simple app for Android
I'm very happy with the work and I'm sure I'll get back again 🙂
7 October 2022
90 USD
Create the “Text Quest” app
Vasila Kovalenko, a very good performant.
I did everything in time, and well.
I recommend him as a developer from the United.
23 August 2022
7 USD
Consulting on lighting in 3D project
I liked everything, Vasily locate the problem and I think we found a solution.
Very grateful for the advice.
I am glad to see Vasil as a person with experience in this field.
21 July 2022
135 USD
Гран на Unity
It is in budget and timely.
3 April 2022
90 USD
Прототип Water Sort
Excellent and quality work
I will continue to work together and recommend it to everyone!
5 January 2022
13 USD
Dragon's Lair Money Clicker
A very good expert, so to say, he sought the honey and found the gold.
I recommend it to everyone!!The !
18 December 2021
20 USD
Dragon's Lair Money Clicker
Очень хороший специалист,советую всем!!
Работает быстро и четко,без нареканий.
Работой очень доволен,ставлю 10 баллов)
6 December 2021
20 USD
Игры - пазл
Все выполнено как надо. спасибо
15 November 2021
113 USD
Puzzle game on Unity on Android
All is fine, a great freelancer
17 October 2021
18 USD
Connect Admob, firebase and send emails.
It was all at the highest level. It was correct, but it was quickly corrected. I recommend
Winning contests 1
14 February 2025
200 USD
Логотип для сайту
Цікаві та прості ідеї від Василя Коваленко. Швидко реагує на правки та коментарі. Рекомендую цього виконавця для Ваших замовлень.
Activity
| Latest proposals 10 | Budget | Added | Deadlines | Proposal | |
|---|---|---|---|---|---|
Development of an application and website
226 USD
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Work on PARTY GAME
609 USD
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Create an application for Android
220 USD
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Kinesthetic intelligence
|
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Add Firebase Config
11 USD
|
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|
Redesign and edits of advertising for the Android application JAVA
101 USD
|
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|
Unity development of 2D mini games for children
180 USD
|
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|
Fix notifications in the application for Android (java)
41 USD
|
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|
Redo the original Unity Idle Tower Defense
68 USD
|
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|
Need a demonstration project in Unity
23 USD
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