Konstantin Yemelianov
Angestellt, Senior JavaScript Engineer, Lohika
Odessa, Ukraine
Werdegang
Berufserfahrung von Konstantin Yemelianov
Bis heute 6 Jahre und 11 Monate, seit Aug. 2017
Senior JavaScript Engineer
Lohika
Developing frontend part of SPA application using React+Redux+Saga technologies. Implementing charts with D3 Creating unit tests in AVA and Jest. Writing code according customer requirements and linter rules. Code reviewing. Tools and Technologies: ES6, React, Redux, Saga, SASS, D3, Webpack, AVA, Airbnb eslinter, NodeJS, Express, Sequelize, Babel, Docker, MySQL,, JavaScript, NodeJS
9 Monate, Dez. 2016 - Aug. 2017
Frontend Javascript Developer
RingCentral
Designing and developing full client web SPA application in two approaches: • version 1 with React + Reflux + Stylus + Foundation • version 2 with React + Redux + SASS + Bootstrap JavaScript, ES6, Webpack, React/Redux/Reflux, Stylus, SCSS, Handlebars, HTML5, XHTML Strict, Mercurial, Jest, Karma
1 Jahr und 6 Monate, Juli 2015 - Dez. 2016
Business Solution Developer
PepsiCo, Ukraine
Fullstack development - Creating internal Web portal to manage user access requests to internal systems. React, Redux, Bootstrap, Node, Webpack, Mocha, Istanbul, git, REST, OData - Creating monitoring system for analyze exchange queue between distributed Legacy ERP system. MS SQL, T-SQL, stored procedures, triggers, Node - Supporting Migration databases from Mykolaiv to London datacenter with changing infrastructure (3 physical servers to 9 virtual) MS SQL, T-SQL
7 Jahre und 4 Monate, Apr. 2008 - Juli 2015
FullStack Application developer
Agrofusion
Designing and developing wide range of projects: - System for monitoring growing agriculture cultures on the fields. Android, Java, ASP.Net, C#, JavaScript, JQuery, MS SQL, SOAP - System for planning routes and tasks for trucks during a harvesting period, APEX, JavaScript, AJAX, Google map API, REST, SOAP, PL-SQL - Solution for employee time accounting in each market, Qt C++, PostgreSQL, MS SQL
11 Monate, Juni 2006 - Apr. 2007
Application Developer
Russian Aluminium, Friguia, Guinea
Integration Legacy system on MS SQL with IRIS (accounting program) Frontend develop legacy systems for procurement & budget departments
5 Jahre und 4 Monate, März 2001 - Juni 2006
Application Developer
Sandora, Mykolayiv, Ukraine
Frontend developing Legacy system. 1C, MS SQL 2000, 2005, T-SQL, Query Analyzer Development reporting system for direct access to data into Legacy system database. Managing MS SQL: monitoring performance, improve query, managing indexes
Sprachen
Englisch
Fließend
Russisch
Muttersprache