Developer Web

Personal Information Contact Information

Phone: +380 (93) 44-88-445

Name: Sergii Tkachenko

E-mail: **@****.***.**

Vacancy: Senior Software Enginer

Skype: richyodua

Employment: full time

GitHub: sergii-tkachenko

Day of birth: May 28, 1988

Drupal Id: Sergii

Marital Status: single

Linkedin Id: 107205903

Experience

1. Drupal Architect and Scrum Master at Jysk (Denmark)

November 2011 present.

Hired as supervising web developer.

Got promoted to scrum master of the web team for implementing scrum methodology.

Provided full web services review and achieved an approval for proposed restructuring project

for outdated web solutions. Which became a strong reason for promoting to the project

architect position.

The new Drupal system was successfully launched in September 2012 after 6 month of

designing and implementation I was working on. Also, as technical supervisor I developed

high-availability web cluster and provided instructions for network administrators in setting it

up. As soon as project was ready for launching, I integrated advanced cache system based on

Varnish with custom project-specific ruleset.

2. Web developer at Berlingske Media (Denmark) / Ciklum

October 2010 November 2011.

Hired as Drupal web developer.

Successfully launched 6 news broadcast web-sites and social network on Berlingske Drupal

platform (one of the world's largest Drupal installation) as a part of developer team.

Berlingske Media is Denmark's largest news publishing group, producing content for print, web,

web-TV, radio and cell phones.

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3. Technical director at Studio7.ua

March 2009 October 2010.

Hired as web developer.

At June 2009 got promoted to technical director. My responsibilities were expanded with server

maintaining and supervising several projects.

Studio7 has been nominated for one of the best Ukrainian web studios in 2010.

4. Web developer at Suponix.com

November 2006 March 2009.

Hired as web developer.

At October 2007 got promoted to head of programming department position with new tasks:

server setup, task distribution and project managing.

5. Head of network services at ISP “Home-Online”

June 2006 October 2006.

Hired as second system administrator.

At September 2006 got promoted to head of network services.

6. Web developer at cinema “Odessa”

July 2004 April 2005.

Hired as web developer.

Development of the web-site. Providing support and maintenance.

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Professional skills

● Programming

Ruby, PHP 5/5.3+, Java, MVC, Design patterns, SQL3 (SQL:1999), JavaScript

Java: JavaEE, JSF, Servlets, Gradle, Quartz, Hibernate, PrimeFaces, log4j, dom4j, gson, SapJCO

CMS/Frameworks: Drupal, Ruby on Rails

Template engines: Smarty, ERB, Haml

● Javascript

Frameworks, libraries: JQuery, MooTools, PrototypeJS, KnockoutJS

Preprocessor: CoffeeScript

Server-side javascript: nodejs

● Layout

HTML5, XHTML 1.0 Strict (valid semantics), CSS 2/3, SASS (SCSS), Less, Twitter Bootstrap

CSS framework

Browsers compatibility: IE6-10, Firefox, Safari, Chrome, Opera.

● Databases

MySQL, PostgreSQL, MongoDB

● Coding Standards

PCRE, W3C, Drupal, RubyCodingConvention, Java Code Conventions

● Documentation

Doxygen, phpDocumentor, RDoc, Javadoc

● Administration and Configuration

LAMP, svn, git, rvm, nginx, varnish, postfix, sphinx, solr, capistrano, unicorn, etc.

● Development Methodologies

Agile (Scrum, XP), Scrum Master role experience

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Projects

Approximate count of projects I participate as developer: 49. Some of these were developed by

myself, some with my team, for some of them I provided general support. Here is the list of the most

noticeable:

1. jysk.dk

jysk.nl

Architecture, implementation, web cluster design, documentation.

2. dinby.dk

Danish social network.

3. stiften.dk

amtsavisen.dk

dagbladet-holstebro-struer.dk

dagbladetringskjern.dk

folkebladetlemvig.dk

viborg-folkeblad.dk

These 6 web-sites were successfully developed by my team in extremely short period. The cost

of code developing for each web-site was way lower than established market price but the

quality was achieved through the most strict reviews.

4. b.dk

bt.dk

business.dk

Drupal modules developing.

5. nashkiev.ua

Kiev news site.

Layout, programming, continuous integration, maintenance, support, server setup and update.

6. www.odessa.ua

Odessa city official site.

Server setup, MySQL optimization, security solutions.

Project support, maintenance and modifications.

7. cosmo.com.ua, www.premier-palace.com, www.menshealth.com.ua, etc

Server setup and maintenance.

8. www.4by6.com

Providing support for printing house web-site.

9. youbeats.com

Web-site developed on my own from scratch for the very first time. Over 6400 registered users.

10. budgetcare.com

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Languages

Russian: native.

English: fluent.

Ukrainian: fluent.

Danish: basic reading.

Education

Odessa National Polytechnic University (2005-2010).

Bachelor's degree at engineering (2010, 5 years).

Scientific works:

1. “Computerization of copper refining of the impurities” (2010, Odessa).

About the university:

“Odessa National Polytechnic University is the oldest higher technical educational establishment

in the south of Ukraine. Throughout the years, Odessa Polytech graduates made a considerable

contribution to the development of Ukrainian and global science and technology as well as have

educated many national economy specialists. University graduates perform a productive work in all

regions of Ukraine and the ninety-one foreign countries.

Tractates and the achievements of the scientists worked in different years at the university, as

well as those who continue to work within its walls today, are known to the scientific community. There

are 1 Nobel laureate, 4 Hero of Socialist Labor, 15 State Prize laureate, 17 honored workers of science

and technology, 9 Honoured High School and Public Education, 34 excellent worker education in

Ukraine. Most of them have not only worked, but received higher education at the Odessa Polytechnic.”

Achievements

● Developed my own web framework, based on advanced MVC pattern.

● Provided tech consultation for the Security Service of Ukraine.

● Coached new web developers.

● My idea was awarded with two bronze and one gold prizes by international advertising festivals.

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Was invited as speaker by “IT jam” major Ukrainian IT event:

● 2010: “Sphinx search engine for high-loaded systems and examples of it's integration”.

● 2011: “Workshop: cheap, fast and secure web server for production within 30 minutes”

Participated in developer contests:

● 2012 DOU Hackaton Final Battle, third place:

Complex physics javascript demo project: gravity simulation

http://serene-castle-2537.herokuapp.com/H3D/index.htm#dynamic

3D Version:

http://serene-castle-2537.herokuapp.com/H3D/index2.htm

Additional Skills

● Unix-like operating systems. Installation, kernel compilation, deep bash/zsh knowledge.

● System administration (Gentoo, Ubuntu, FreeBSD, Red Hat Enterprise Server, Solaris, experience

with Cisco BGP-routing).

● ISP network planning and design.

● Copywriting.

● Typography.

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