Pavel Kravchenko
Offer Pavel to work on your next project.
Private message 
Chernigov,
Ukraine
1 day 20 hours ago
available for hire
5 Safe completed
1 year ago
4 Clients
registered for 6 years
Rating
Average rating
Language Proficiency Level
Українська: fluent
Русский: advanced
English: pre-intermediate
CV
I write native applications for Android and iOS of any complexity quickly, qualitatively, always on time.
I have a higher education in IT Computer Engineering, 6 years of experience in mobile development. Worked in international IT companies as Senior developer and Team Leader.
Programming is not only my profession, but also my favorite hobby, in addition, I am a perfectionist, so I try to implement all tasks in the most elegant way.
At work, I also consult the technical side of the program, give recommendations. After development, I will help with publication and further support and development of applications.
Android stack:
Tools: Android Studio, Android SDK, Java, Kotlin, VSC, Push-notification, LiveData, Room, RxJava, RxAndroid, SQLite, Firebase, Crashlytics, XML, JSON, REST, Material Design, Junit, Google Analytics, Yandex Metrica, Jetpack Compose
Libraries: Retrofit 2, Gson, Realm, Navigation, Cicerone, Picasso, AdMob, Facebook SDK, Instagram SDK, Vkontakte SDK, RxJava, Moxy, Dagger 2, KOIN
Patterns: Observer, Singleton, The Clean Architecture (MVVM)
iOS stack:
Tools: Xcode, Swift, Push-notification, VSC, TestFlight, Firebase, Crashlytics, JSON, REST, Google Analytics, Yandex Metrica, Swift UI
Libraries: AFNetworking 2.x/3.x, Alamofire, CoreData, Realm, SDWebImage, CryptoSwift, KeychainAccess, AdMob, Facebook SDK, Instagram SDK, Vkontakte SDK, RxSwift
Patterns: Observer, Delegate, Singleton, The Clean Architecture (MVVM)
Skills
Programming
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Java
from 17 USD per hour
Mobile development
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App Development for Android
from 17 USD per hour
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Apps for iOS (iPhone and iPad)
from 17 USD per hour
Portfolio
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4000 USD Hashtag AI helper
Hybrid Mobile Apps
Welcome to the world of high-performance and stylish social media promotion! Our mobile app is not just a tool for managing your content; it is the art of creating stunning posts that will be noticed and remembered. Let's talk about what makes our app unique:
AI-powered hashtag generation:
Our AI analyzes current trends, relevance, and popularity of hashtags, providing you with the best options for maximum visibility of your content. Forget about endless hashtag searches – let our smart assistant do it for you.
…
Optimal posting time:
Don't guess when your audience is online. Our app will suggest the optimal time for posting on each of your social networks, ensuring maximum activity and engagement.
Post scheduling:
Organize your content wisely! Create a posting schedule so your profile is always active, evenly distributing content and maintaining interest in your account.
Hashtag checker:
Avoid issues with social media platforms! Our app analyzes your hashtags for blacklists, alerting you to potential blocks and visibility problems.
Beautiful fonts:
Add personality to your messages with our beautiful fonts. Highlight your style and stand out from the crowd by making your content unique.
300+ popular captions:
Don't waste time searching for caption ideas. Our app offers over 300 of the most popular captions that will enhance your content and attract your followers' attention.
Transform your social media into an art of self-expression with our user-friendly and powerful app. Start today and feel the difference in the effectiveness of your online presence!
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Svidomist
App Development for Android
This mobile add-on provides users with a convenient and accessible tool for reviewing the data about voting for the draft law in the Supreme Council of Ukraine, as well as information about voting кожноï окремоï partiï and its members.
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2000 USD AdStat
Apps for iOS (iPhone and iPad)
AdStat is the best app to track your Google AdMob earnings!
The application is intended for developers or advertisers.
… This is a safe and secure way to view your AdSense and AdMob earnings. It uses Google's secure login and does not save your password or any personal information.
You can perform simple data analysis and view it in simple reports and charts.
Functions
– Supported data sources from the AdMob Reports API.
- Earnings reports for today, yesterday, this week, last month and for any selected period
- Application and banner reports
- Income charts
- Dark mode
- Different currencies
App: #KMP #iOS #swift #RESTful #SSH #SFTP #Firebase #PushNotification
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CoffeeHouse
Apps for iOS (iPhone and iPad)
A ready solution for your business.
App to keep customers using gaming and psychology (when a person sees the final goal and how many steps before it remains, he will try to it as quickly as possible)
… The realization:
Every time a person purchases coffee, bulk, tea or even orders a calyan seller offers to download the app and get the N product for free.
Of course, most people download the app and the seller scans the code.
greatly !
The application shows 1/N and further psychology, a person will try to get the prize as soon as possible
The Manual:
When purchasing the goods the seller (through the seller's application) scans the QR code on the customer's smartphone (in the customer's application)
The seller is shown free he must give the goods or not.
The buyer is shown the number of steps he has gone / left to go before receiving the free goods.
Application for the client: iOS, Android
Application for Manager: Android
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Taxi booking service online, cheap tariffs
App Development for Android
Takso is a modern taxi order service in Kiev, Odessa, Zaporozhye, Dnepre, the White Church, (there will be near in Krementchug and Chernigov).
For customer convenience, the Takso app allows you to make payment in the following ways:
Payment by card, through Google Pay, bonuses and cash.
…
Payment with a bank card or Google Pay will save time. The amount spent on the trip will be paid automatically. There is no need for direct contact with the driver. For each trip, the bonuses are charged, which can later be used to pay.
App: #Android #RESTful #Notification #googlemap #openstreetmap #gps
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Термінал & SSH
Apps for iOS (iPhone and iPad)
Terminal & SSH is a complete command line and server administration solution that provides secure access to Linux or IoT devices and helps you quickly resolve issues from a mobile device.SSH Features:
SSH connection with password or key authentication: DSA, RSA, ECDSA, Ed25519 (OpenSSH format).Emulation: XTERM-COLOR256 / XTERM / VT100
Connection settings are securely stored in the Keychain.Unlimited server list.Local text editor with syntax highlighting for more than 30 programming languages.Snippets (saving commands for quick access)• Special keys Esc, Tab, Ctrl, /,:, -,! , , $, *, F1-F12
… The SFTP features:
Upload files from your device to your server.Download files from your server to your device.Create / rename / delete files and directories.Edit text files.Network Tools:
• ifconfig, ping, whois, host, nc (netcat), nslookup, telnet, dig, curl
and:
• Authentication to the application via Touch ID / Face ID.• Customize the terminal theme.Adjust the font size.Support for terminal plugins.App: #iOS #swift #RESTful #SSH #SFTP #Firebase #PushNotification
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7 USD The TrueGamers
Apps for iOS (iPhone and iPad)
The cyber-sports network of clubs "TRUEGAMERS" is a place not only for computer games lovers, but also for professionals of their business!
In each club you are waiting for a lighting atmosphere, a democratic bar and a powerful iron at an affordable price!
… App: #iOS #swift #RESTful #Firebase #PushNotification
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The car checklist
App Development for Android
Auto checklist is a completely independent professional car selection.
The applies indicate all the points to check - the technical, legal and aesthetic state of the vehicle.
Technically - nodes and aggregates, real run, accidents, computer diagnosis.
Legal - bidding, kidnapping, participation in accident, restrictions, labels, documents.
… Aesthetically - painted details, damage to the body, the salon and the wheel.
It is important to check the car before purchasing what you do not regret after.
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My Emotions: Anti-Stress Meditation Health and Success
App Development for Android
Stress, depression, irritation, anger, harassment, anxiety, fear, sadness, weakness
Are you tired of being the hostage of your negative emotions? You want to learn
Living in harmony with yourself and the world around you. What might be more important? Decision
It’s very simple and everyone can do it. Just 2 minutes a day! The Truth
… Unprecedented !
App: #Android #Kotlin #RESTful #sqlite
Server: #Java #SpringBoot #MySQL
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2500 USD Firebase Pushers
Apps for iOS (iPhone and iPad)
Send push notifications to your users through Firebase Cloud Messaging using a convenient application.
The functions:
- sending notifications to a specific user by firebase ID
sending notifications to a group of users
… sending notifications using the terms
- Can send cast notifications via JSON
You can keep a list of applications.
Keep a history of sent notifications.
You can read the documentation about smoking.
App: #iOS #swift #RESTful #Firebase #PushNotification
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24 USD NASA Wallpapers
App Development for Android
NASA Wallpapers - app for view Astronomy Picture of the Day photo from NASA
Features:
… Get high-definition daily NASA APOD photos delivered right to your device.
View additional info on every photo or video and share with friends.
Save photos as device wallpaper.
Browse, search, and view all previous APOD items.
Bookmarks with your like photos.
Enjoy the universe around you each and every day with the all new SpaceGeek APOD for iOS.
The copyright owner of the photo is listed below the photos. If the copyright owner is not specified, the copyright belongs to NASA.
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120 USD by Benaughty
App Development for Android
Meet quickly and with pleasure!
App: #Android #AndroidX #RESTful #Firebase #AppsFlyer #Facebook
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Internet Traffic
App Development for Android
The application works in the following simple stages.
1 . You earn views FREE on the machine through the websites of other users or you buy.
2nd Add your website to the system.
Three Other users are browsing your site.
…
App: #Android #AndroidX #Kotlin #RESTful #Firebase #Admob
Server: #spring #java #hibernate #mysql
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Online Loan
App Development for Android
Install the mobile add-on from OnlineCardCredit and always be aware of good offers and special terms of online loan in Ukraine.
#Android #Kotlin #WebView
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500 USD Business app “My Business”
App Development for Android
A small and medium-sized business app that performs the following tasks:
Accounting of raw materials in the warehouse
Accounting of finished products in warehouse
The cost of the product based on the price of the material
… Calculation of Products
Calculation of Gross Profit
Calculation of the profitability of the transaction
Accounting of business expenditure/income
Additional services are also included (transport, bank)
Many processes are automated:
- The purchase of materials adds the cost article on the "Finances" tab
- Sales of products adds the income article on the "Finances" tab
Any additional costs can be added to the purchase/sales.
It is possible to export/import a database to CSV format (you can open it using Excel or Google Tables)
#Java #REST #Android #Business
Reviews and compliments on completed projects 5
10 August 2023
12 USD
Consulting on the development of mobile app
Quality
Professionalism
Price
Availability
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Thank you very much to Paul for your help. It’s clear and on the job. I recommend it!
11 November 2021
153 USD
Development of Applications
Quality
Professionalism
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Top - Your reviews and reviews will not be publicly available until the artist adds a meeting review about your collaboration.
Profile deleted
| Safe 
| Response feedback
27 May 2021
36 USD
Добавить функцию на андроид
Quality
Professionalism
Price
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Все быстро, четко и не дорого!
Andrey Z.
| Personal | Response feedback
23 May 2021
26 USD
Delivery from Android to the BOT
Quality
Professionalism
Price
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Everything is done quickly and quality!
1 June 2020
120 USD
Андроид вебвью приложение
Quality
Professionalism
Price
Availability
Terms
все выполнено в срок и согласно тз, отдельно понравилось оформление сделанное фрилансером
Vladyslav Kobets
| Personal | Response feedback
Activity
| Recent proposals 10 | Budget | Added | Terms | Proposal | |
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Applications for iOS and Android
241 USD
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Improvement of the application on Android (front). Kotlin / Jetpack Compose
206 USD
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Write an application for Android
482 USD
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Development of an application for IOS & Android on Flutter or React Native.
482 USD
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DJ DEIZI
387 USD
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Mobile application for the online car rental system
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Development of a program for managing household devices
482 USD
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Mobile application
650 USD
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MOYAVODA.SHOP
650 USD
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Hybrid application
120 USD
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