Оlexander – Android, Kotlin, Coroutines

A project related to the omnicommerce payment system and its integration into Android terminals. Allows use of cards including swipe or chip cards and contactless payments such as Apple Pay and Google Pay which will be protected by PCI DSS and PCI PTS security. Option to access your transaction history from the terminal and all accessories including wired and wireless printers, cash drawers. Ability to add 3rd party apps that seamlessly integrate into this app and will include the ability to: Monitor money movements, Accounting finance, Investment, Gift cards, Loyalty programs, Reward customers.

• Added functionality for sending analytics events after the “card declined” issue.
• Fixed functionality with card reader configuration reset.
• Performed bug fixing.
• Provided support, and new features.

The first Israeli's OTT streaming service for kids and teenagers. The content is broadcasted via the web platform, applications for Android TV, iOS TV, Samsung Tizen, and also mobile apps working on smartphones and tablets (both for Android and iOS).

• Added functionality for showing TV series, films and episodes list (like in Netflix).
• Added separate screen with film/series information, search functionality, adding separate screen with video player, which may play VOD videos, LIVE channels and also DVR videos. This logic was added in Android and AndroidTV apps.
• Added new features
• Fixed bugs.
• Tested the application.
• Improved application performance.

1+1 video is an application for media holding 1+1 media, one of the biggest media corporation in Ukraine. The purpose of the 1 + 1 video mobile application is to provide access to the company's huge library of media content, as well as to online broadcasts of Ukrainian TV channels. No dependence on a television receiver. Live-streaming and a huge library of TV shows in smartphone.

• Added new features.
• Performed bug fixing.
• Tested the application.
• Improved application performance.
• Added functionality for showing TV series, films, and episodes list (like in Netflix)
• Added separate screen with film/series information, search functionality, added separate screen with video player, which may play VOD videos, LIVE channels, and also DVR videos.
• Added functionality for showing video ADS (Google VAST Ads).
• Added functionality for voting for favorite series/episode/character.

Climate drops is an application that rewards users for eco-friendly actions. Users can describe an action, add a picture of the result and receive bonuses, or track the usage of eco-friendly transport. For these actions' user receive reward and can exchange it at the partners place for real bonuses (cup of coffee, cake, etc)

• Created logic for tracking location (with service), sending it to the backend, and showing statistics after the action ended.
• Integrated with backend APIs and services to enable seamless data exchange.
• Implemented new features, functionalities, and improvements to enhance the app's performance and usability.