Oleh – Kotlin, Android, Java

A cloud ecosystem of products that serve for the last mile on-demand delivery management for companies and easy delivery management for merchants. Courier mobile application - allows a courier to receive orders assigned to him from a merchant or delivery company interface and see the pick-up and drop off pins on the map.

• participation in the discussion of user stories at the design stage
• application architecture building
• creating a user flow according to the design
• adding push notifications about a new order
• work with Google Maps to display delivery points, goods pickup and current location

Platform for issuing personal shares. Their sale and purchase, receiving dividends from shares. Stripe system is integrated for buying and withdrawing money

• application evaluation

• participation in the discussion of user stories at the design stage

• application architecture building

• creation of user flow according to design

• work with charts to display the dynamics of stock prices

• adding registration via social networks

• Stripe SDK integration for payments

• Create digital wallet:

• Adding credit cards to a digital wallet

• Displaying transactions for all shards on the market

• Displaying the user's own shards transactions

• Showing withdrawal and deposit transactions for Digit Wallet

• Converting crypto into USD via Coinbase

SDK allows monetizing apps by adding ads, purchases, offering customizable screens for premium status, analytics, rate us dialog, and exit dialog with a minimum amount of code and setup.

• developed SDK from scratch and a sample app that uses it
• automated releasing SDK versions on Maven private repository using Github Actions
• created documentation of SDK (README file)
• integrated SDK to real app projects

DVR app with overlaying subtitles (time, speed, geodata, address) on video, loop recording, auto start recording, recording in the background mode.

• Designed and developed an app from scratch
• Published it and supported (updates)

Remote control of the robot guide (show manual) based on Android. Client application (Android phone) for remote control of the robot. An application for an Android tablet, which was installed on the robot itself and connected via a USB hub to the STM device to control the movement of the robot (turns, forward/backward), as well as to an external flashlight and USB camera, obtaining data on the battery status during operation etc. .

• created mobile and tablet apps from scratch
• created android architecture
• debugged and resolved the application issues

It is a video player for learning languages. Allows users to translate text or individual words in subtitles (opening the selected dictionary program or translator), switching between subtitles by buttons, repeating phrases on the video, loop recording, autostart recording, recording in the background mode.

• Designed and developed the app from scratch, published it, and supported (updates).