Sergey Polzunov

Current

Developer at Flatfinder
Research Software Engineer at Viewdle

Past

Java Engineer at Sonopia
Junior Java Developer at Sonopia
Java Developer at Tetrasoft

XSLT/HTML developer at Dev Zero G

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Education

National Technical University of Ukraine 'Kyiv Polytechnic Institute'

Recommended

8 people have recommended Sergey

Connections

146 connections

Industry

Computer Software

Websites

My Company

Sergey Polzunov’s Summary

Software Engineer in a wide variety of business applications.

Looking for interesting projects to create/implement.

Sergey Polzunov’s Specialties:

J2EE: Spring, Hibernate, Jetty, Solr/Lucene, Quartz Scheduler
Python: Pylons, Django.
JavaScript: mootools

Sergey Polzunov’s Experience

Developer

Flatfinder

(Computer Software industry)

March 2009 — Present (5 months)

Developing web-service which helps people find appartments for a long-term rent in Kiev, Ukraine.
Python (Django), MySQL
Research Software Engineer

Viewdle

(Privately Held; 11-50 employees; Information Technology and Services industry)

March 2008 — Present (1 year 5 months)
Java Engineer

Sonopia

(Public Company; 51-200 employees; Information Technology and Services industry)

February 2007 — March 2008 (1 year 2 months)

Responsible for core functionality development as a member of Architecture Team.
● Built data segmentation engine.
● Optimized the infrastructure for index updating and rebuilding.
● Designed the system clustering as a member of Architecture Team.
● Improved image processing engine due to new requirements.
Junior Java Developer

Sonopia

(Public Company; 51-200 employees; Information Technology and Services industry)

October 2006 — February 2007 (5 months)

● Developed server side image processing engine based on open source software. This engine is adopted for high density usage and provides the services for image scaling, cropping and converting to all components of the application.
● Integrated Lucene/Solr server as a part of full text indexing and searching flow.
● Implemented important parts of server side of sonopia.com social network functionality.
Java Developer

Tetrasoft

(Privately Held; 11-50 employees; Information Technology and Services industry)

March 2006 — October 2006 (8 months)

● Designed and implemented call-centre application based on Asterisk Server and adopted it for changing amount of operator workstations.
● Built calls receiving server with sophisticated calls processing logic.
● Developed call-centre client software as standalone application based on Swing Application Framework.
XSLT/HTML developer

Dev Zero G

(Public Company; 11-50 employees; Computer Software industry)

August 2005 — January 2006 (6 months)

Implemented the set of XSLT patterns for the company's official website. New features in products web interfaces (PrintSure, nVerge) are implemented.

Sergey Polzunov’s Education

National Technical University of Ukraine 'Kyiv Polytechnic Institute'

Math, Programming, Computer Science 2002 — 2009

Specialization: Computer systems and networks
Honors: Prize at university contests in Math