Oleksandr Subbotin

Dart / Flutter app for Android and iOS devices

Architect / Full stack developer .Net / Winforms / Devexpress

Implementation of the new corporate-site-design in WordPress template. Project requirements were: short time, adaptive design, to write few views to understand how it will look, WordPress Template (no hardcoded pages). Tech Stack: HTML, CSS, PHP, JS, SaSS, GULP, WordPress GitHub: https://github.com/git4slash/wp_theme

Tool for IT-department that gives access to data associated with a specific address, such as information about network infrastructure, servers, logins, contact persons and so on. Data synchronized with remote database server (when connection available) or with local storage in clients device. Address can be obtained automatically using geolocation. Android and iOS Mobile clients (JavaScript/React Native/Expo, SQLite), Rest API (Java, Spring), Docker (PostgresSQL or MySQL, Wildfly)

Early preview / demo for possible-investors Android (Java) Mobile client. Application helps user to learn new words and extend vocabulary. Functionality: auntefication, show statistic, show cards with words, show user statistic. Tech Stack: Java, Android SDK, Gradle, Git

Automated software complex to control flow of Value Added Tax. Analytical module use active predict algorithms to calculate risks on early stages of tax-report period. It applies comprehensive, person-independent search of suspicious/risky operations and alerts responsible persons. In parallel, it works with about 15 data sources. Monitors the quality of work of the ministry’s staff responsible for checking of each of the risky operations. Complex builds visualization models of risk-related data.

Taxpayers client software. Development of software requirements and operational management of the development process. The project was implemented within the framework of the cooperation program with the European Union. A tool to simplify work with tax reporting for tax payers. It provides the ability to submit and control reports electronically and remotely to the tax service of Ukraine. Data is protected by personal electronic signature and/or electronic stamp. link: https://cabinet.sfs.gov.ua

Automation of taxi company. A wonderful software solution that allowed the company to stay on the market even after big players come (such as Uber). Many interesting things were done, prediction and analytic algorithms etc. For example prediction of endpoint address based on previous orders, or prediction of the required number of cars. Mobile client for taxi drivers, integration with private telephone network (asterisk-based PBX). Tech Stack: Java, Ruby on Rails, PosgreSQL, SVN

Automation of the sale processes (warehouse management), development of web-shop and integration with main management system. Stack: Java, Swing, Servlet API, HTML, CSS, SVN

Technological startup in area of building railroads based on patented technologies. Building of IT infrastructure from scratch. Negotiations with vendors, drawing up technical specifications for building a corporate data transmission system.

Integration and maintenance of distributed systems for a major retailer with branches all over Ukraine.

https://www.coursera.org/specialization/mobilecloudcomputing2/36

Gap year (due war)

I did not finish (due to work)