From
2010
till
present
worked as
Seniour Developer/Head of Ukrainan Branch
at
Twinfield
on
Twinfield International N.V. - the European market leader in the area of online accounting. SaaS system with over 10 years of
history and presented at more then 20 countries.
Technologies used:
.NET 3.5/4.0 (C#, VB.NET),
MySQL,
MSSql 2010.
From
2005
till
2009
worked as
Core developer/Team leader
at
DevelopEx
on
Several projects. Among them: AuctionFloor - Huge ERP project with multiple modules and complex backend made
for auction house who makes live auctions. The system includes such modules as
inventory module, payment, accounting, checkout, shipping, live auction software etc.
It is integrated with several 3rd party APIs (ebay, USPS, UPS, Fedex, ACH payments,
Paypal, CC processing gateways) and has two bidding templates (AJAX and C++)
and realtime TCP/IP server software to make live auctions. Error report - Web-module for helpdesk system which
allows filing helpdesk and inventory reports to support people. Web Order - Business management system which allows to
automate purchase processes in an enterprise and integrated with 3rd party applications. Prospeo - trending component
with complex graphs drawing for 3rd party application. FlowCharting - charting component to use as DotNetNuke module.
Technologies used:
C#,
C++.
From
2004
till
2005
worked as
Developer
at
Frontex
on
Xcelerix: non-relational (entity-relational) in-memory database. Targeting
as ultra-fast information storage, Xcelerix used entity relational schemes to provide determined selection time
for data queries, that in standard relation-based database system would require exponential growing time. Also Xcelerix
provided support to as many OS as possible, including Windows, Mac OS, different distributions of Linuxes, HP-UX.
Technologies used:
C++,
Perl,
Java2.
From
2004
till
2004
worked as
Developer
at
AMI-Ukraine
on
PersonPro - personnel management system. Enterprise-level
Ukrainian fully customizable solution that handles all processes of HR: gathering, storing, publishing information,
handling complex queries about personnel, preparing customizable reports, including documents of strict
accountability.
Technologies used:
Delphi,
ODBC.
From
2003
till
2004
worked as
Senior developer/System architect
at
Obex Corporation
on
Web application for B2B telemarketing. Distributed system, that allows
customers to plan and implement telemarketing process and calculate profits. Used AJAX to accelerate
system,minimize risks of concurrent modifications and make system more user-friendly.
Technologies used:
PHP,
MySQL,
Design Patterns.
From 2001
till
2003
worked as Senior developer/Team leader/Project manager
at Alitel
on
VoIP billing system based on Radius server. Started as first developer of this system, and continued as
head developer of small group of developers. Mastered C++ unix programming, database management,
multi-threaded and time-sensitive development. Also got skill of managing group of
developers (code review, planning, etc).
Technologies used: C++ (gcc), MySQL, Radius RLM, CGI.
From 2000
till
2001
worked as Freelancing developer
on
various projects, mostly web-related. Got practice in
creating web sites using PHP, MySQL, Perl, Java and administration of UNIX-servers (Linux/FreeBSD).
Technologies used: PHP, Perl, Visual C++, Java2.
From 1998
till
1999
worked as Developer
at Lider, ltd
on
System for stock-taking for car-selling warehouses. The main purpose of system was to store
information about stock status and do complex queries on searching product analogs.
Technologies used: MS Access, Delphi, BDE (Paradox).