Yevhen Shevchenko Email & Phone Number

Wrocław, Pl

Poland

Remote Job

Trading platform for private usage that allows to run, manage and monitor trading-bots lightweight apps over dynamically managed working nodes cluster. Responsibilities: - Defining system’s technical specifications by analyzing its requirements; - Planning and estimating workflow iterations to implement clarified features and functionality; - Prototyping and developing platform’s architecture; - Prototyping platform’s infrastructure; - Taking part in all stages of platform’s development and testing; - Passing technical audit of software components written by other team members;

Remote Job

Ethereum blockchain explorer oriented to Ethereum smart contracts developers. Besides usual blockchain explorers functionality, service provided rich possibilities to call cotract’s methods and display contract’s specific data like decoded contract’s storage, EVM trace, detailed transaction’s execution summary including internal transactions. Responsibilities: - Planning and estimating workflow iterations; - Designing system’s architecture according to dynamically changed requirements; - Discovering possible solutions by developing PoC projects to clarify the optimal one; - Developing and supporting the website and several related web-services that collected, processed and stored blockchain's data in RDBMS under high load during intensive synchronization with network - Supporting system’s infrastructure for both development and production environments; - Investigating possibilities to collect and structure useful data within EthereumJ library, that further can be shown via Smart Explorer in a convenient way; - Extending EthereumJ library API to collect the data discovered during investigation phase; Technology Stack: - JDK 7, JDK 8; - Hibernate, JDBC, PostgreSQL; - Spring Framework: Cloud, Boot, Data JPA, Security, AOP, MVC in pair with Thymeleaf; - JUnit4, Mockito; - Backbone.js/jQuery based frontend stack; - Git, Gitflow; - Gradle; - Docker, Docker Compose; - Heroku, DigitalOcean for apps hosting;

Москва, Россия

Crowdfunding platform focused on fundraising for art, social and science projects. Responsibilities: - Modifying and enhancing existing system modules and services to add or change features, while constantly improving the code base. - Implementing frontend modules and components using already suggested design and layout; - Prototyping administrative service for moderation, reporting and managing purposes; - Developing accountant reporting subsystem within administrative service; - Expending, developing and supporting payment gateway service that integrates numerous payment systems; - Interacting with payment systems vendors related to integration, maintenance and payments issues;Technology Stack: - JDK 7; - myBatis, PostgreSQL, PL/pgSQL; - Spring Framework: Security, MVC in pair with JSP; - Custom UI framework based on Backbone.js; - Embedded Jetty servlet container; - SVN, Git, Gitflow; - Apache Maven;

Москва, Москва, Россия

Several enterprise document workflow projects for state-owned companies and services.Responsibilities: - Implementing tasks according to specification, bug fix support; - Developing UI components, business objects and its workflows using EMC Documentum tools; - Developing data migration scripts for new features or bug fixes to ensure data consistency. - Developing, extending and supporting service based on Apache Thrift that provides an API to synchronize data between iOS clients and document workflow system.Technology Stack: - JDK 6; - JDBC, RDBMS Oracle, PL/SQ, HSQLDBL; - EMC Documentum (Webtop, Content server, WDK, DFC, DQL, BPM); - Spring Framework: Spring Core; - Apache Tomcat; - Apache Ant, Apache Maven; - SVN, Microsoft TFS; - SOAP, Apache Thrift;

Харьков, Харьковская Область, Украина

Enterprise billing system that serves accounts of all water supply service subscribers in Kharkiv city.Responsibilities: - Implementing tasks defined by lead developer, refactoring, bug fix support ; - Developing system specific UI components; - Extending and supporting payment data import subsystem's components for every bank that system integrates with; - Redesign of data changing audit subsystem including migration all history data from several old formats to the new one;Used technologies: - Delphi 7; - RDBMS Oracle, PL/SQL; - CVS;

Master Of Computer Science (Mcs), Computer Science, Cad/Cam/Cae

Bachelor Of Engineering (Beng), Computer Science, Cad/Cam/Cae