Sergii Demianchuk
Mentor
Rising Codementor
US$15.00
For every 15 mins
ABOUT ME
Full stack web developer
Full stack web developer
I am an experienced full-stack software developer with over a decade in the field, primarily in back-end development for web applications, though I am feeling in javascript world rather good also. My specialties: software design, refactoring legacy code, adding automated tests. Currently I am using next technologies/frameworks in my everyday work: Symfony, PHP, Vue, JavaScript, MySQL, ElasticSearch, Redis, Sematic UI.
Polish, Russian, Ukrainian, English
Warsaw (+01:00)
Joined December 2017
EXPERTISE
10 years experience
Building backend architecture, rewriting/developing projects on Symfony
Building backend architecture, rewriting/developing projects on Symfony
10 years experience
Database architecture, planning, optimization, replication, scaling
Database architecture, planning, optimization, replication, scaling
6 years experience
Building/rewriting frontend architecture with using reactive components with using Vue framework, some experience with using React+Redux.
Building/rewriting frontend architecture with using reactive components with using Vue framework, some experience with using React+Redux.
3 years experience
Using elastic search for full search text, extended usage of Elastic geo functionality
Using elastic search for full search text, extended usage of Elastic geo functionality
3 years experience
Using Redis as cache system, NoSql storage, replication ans scaling
Using Redis as cache system, NoSql storage, replication ans scaling
2 years experience
Using semantic UI responsive elements on practice over last 2 years
Using semantic UI responsive elements on practice over last 2 years
2 years experience
Implementing CI/CD pipelines during last 2 years
Implementing CI/CD pipelines during last 2 years
REVIEWS FROM CLIENTS
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EMPLOYMENTS
Technical Team Lead
Clicktrans
2015-05-01-Present
Building backend architecture, rewriting/developing project on Symfony, implementing responsive design, changing frontend architecture wi...
Building backend architecture, rewriting/developing project on Symfony, implementing responsive design, changing frontend architecture with using Vue.js reactive components, scaling, MySQL and redis replication, implementing new functions, CI/CD.
PHP
MySQL
Responsive Design
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PHP
MySQL
Responsive Design
Redis
Elasticsearch
Continuous Integration
Symfony
Management
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Web developer
Freelance
2005-06-01-2015-06-01
Web developer and manager of Web projects. Technologies: PHP, Symfony, Zend Framework, Javascript, JQuery, css, html, xml, MySQL, Flash, ...
Web developer and manager of Web projects. Technologies: PHP, Symfony, Zend Framework, Javascript, JQuery, css, html, xml, MySQL, Flash, ActionScript, CMS Wodrpres.
HTML/CSS
PHP
jQuery
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HTML/CSS
PHP
jQuery
MySQL
WordPress
Zend Framework
Symfony
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IT Manager
Helpi Group
2012-04-01-2015-05-01
Management, consultancy, design and organization of work in the field of programming (PHP, Zend Framework, JQuery, MySQL, HTML, XML,CSS),...
Management, consultancy, design and organization of work in the field of programming (PHP, Zend Framework, JQuery, MySQL, HTML, XML,CSS), CCTV, configuration of networks and PBX.
HTML/CSS
PHP
jQuery
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HTML/CSS
PHP
jQuery
MySQL
WordPress
XML
Zend Framework
Symfony
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PROJECTS
ClicktransView Project
2015
Building backend architecture, rewriting/developing project on Symfony, implementing responsive design, changing frontend architecture wi...
Building backend architecture, rewriting/developing project on Symfony, implementing responsive design, changing frontend architecture with using Vue.js reactive components, scaling, MySQL and redis replication, implementing new functions, CI/CD.
PHP
MySQL
Redis
View more
PHP
MySQL
Redis
Elasticsearch
Symfony
Semantic Markup
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Helpi GroupView Project
2012
Web development for different companies, mostly in e-commerce area
Web development for different companies, mostly in e-commerce area
PHP
jQuery
MySQL
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PHP
jQuery
MySQL
WordPress
Zend Framework
Symfony
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