Костянтин

Position: C#/ASP.NET Developer, Team Lead Constantine Tikhonovsky
Cell: [открыть контакты](см. выше в блоке «контактная информация»)
[открыть контакты](см. выше в блоке «контактная информация»)
Skype: constantine.tikhonovsky
SUMMARY
28 years of experience as a Software Developer
Strong experience in C#/ASP.NET/WebUI
Experience in architecture designing and technical writing
Responsible, goal-oriented, communicable, initiative, creative individual, able to learn and work quickly and effectively
Experience in managing developers team (up to 7 developers)
Strong English skills

EDUCATION
1995, Kyiv Polytechnic Institute, Applied Mathematics, Masters Degree
Technologies

Level
%
Years used
Last Used
Programming languages

C#
95%
13
2022
Javascript
95%
23
2022
C++
80%
3
2019
C
90%
3
1995
Clipper
90%
3
1998
Delphi
80%
4
2004
Perl
90%
4
2006
CrystalReports
90%
1
2005
VB. NET
90%
3
2009

Operating Systems

Windows
90%
23
2022
Linux
70%
2
2004

Databases and Database Technologies

MSSQL
95%
19
2022
Oracle
60%
1
2005
Microsoft Access
60%
1
2009
mySQL
70%
3
2017
DB Vista
50%
3
1995
DBase III/IV, Clipper
90%
3
1998

Web Technologies
95%
16
2022
ASP.NET
80%
10
2019
ASP.NET MVC
80%
5
2022

ASP.NET Core
80%
2
2021

PHP3/4
70%
1
2005

CSS
90%
6
2019

HTML/DHTML
95%
8
2019

XML
80%
5
2022

English skills:

Reading /Writing
90%
28
2022

Communicating
70%
6
2019

Working with Foreign Customers

14
2019

Experience

November 2019 – Till now Infopulse Ukraine, LLC.
Kyiv, Ukraine
Position
Senior Software Engineer
Project
An enterprise-level system, which obtains a large amount of audit data.
Duties
Investigations
Back-end coding
Writing unit-tests
Legacy code support
Technical writing
Technologies

C#, ASP.NET MVC, MSSQL

January 2018 – November 2019 CyberArk Software, Ltd.
Kyiv, Ukraine
Position
Senior Software Engineer
Project
A security application for enterprise businesses: Policies Management subsystem for administrative use. Legacy code support, bugfixing, writing unit tests, large data preparation, writing browsers plugins, web services.
Duties
Legacy code support
Explorations
Front-end coding
Back-end coding
Tests
Technologies

C#, ASP.NET MVC, MSSQL, jQuery, ComponentArt, Jscript

October 2009 – January 2018 Dynamo Development, Inc.
Kyiv, Ukraine
Position
Senior Software Engineer, Team Lead
Project
A statistical and reporting application: design and programming of front-end components, design and programming of back-end logic. Intercommunication between front-end and back-end was implemented using DevExpress and web services. jQuery is used on UI.
Duties
Designed user interface
Performed front-end coding
Performed back-end coding
Technologies

C#, ASP.NET, mySQL, jQuery, DeveloperExpress, JScript

October 2006 – May 2009 GlobalLogic
Kyiv, Ukraine
Position
Senior Software Engineer
Project
A lot of sibling projects in domain of gathering survey data and reporting: design and programming of front-end components, design and programming of back-end logic. In most cases intercommunication between front-end and back-end was based on AJAX.
Duties
Designed DB
Designed user interface
Performed front-end coding
Performed back-end coding
Technical writing
Technologies

ASP.NET, MSSQL 2000/2005, ComponentArt

October 2005 – October 2006 XVand Technologies Corp.
Kyiv, Ukraine
Position
Developer
Project
Budget planning application: design of complicated visual components, design of server to client notification system. Disclosure of any information about this project is prohibited.
Duties
Designed business logic
Designed DB
Designed user interface
Performed coding
Technical writing
Technologies
C# + WinForms + DXperience (DevExpress), MSSQL 2005 + Service Broker
Project
Enterprise Mail Archiver based on Exchange Mailer. It stores all reasonable information about all correspondence in the whole enterprise and realizes search in the storage.
Duties
Designed server-side application
Designed DB
Performed coding
Wrote tests
Technologies
ASP.NET, C#, MSSQL 2000, Active Directory
Project
Monitoring of terminal servers and users’ activities on them.
Duties
Designed Windows application
Designed DB
Performed coding
Wrote tests
Technologies
C#, MSSQL 2000, Active Directory
Project
Internet activities reporting system. It uses ISA Server logs, converts it into convenient form, then supports a wide range of reports.
Duties
Designed server-side application
Designed DB
Performed coding
Wrote tests
Technologies
ASP.NET, C#, MSSQL 2005
Project
A number of scripts and utilities which work with Active Directory. Active Directory objects maintenance.
Technologies
C#, Perl, VBScript

October 2004 – October 2005 KIM, Ltd.
Kyiv, Ukraine
Position
Developer
Project
Redesign of the set of accounting programs and utilities. The original (prototype) version of this soft was written in PowerObjects + Oracle, and the goal was to make the redesigned version written in C# + Oracle
Duties
Reengineered business-logic of original version
Designed reports
Performed coding
Technologies
C#, Oracle, CrystalReports

Project
Development of updating and licensing system for the online sales of website services. This system allows distributing website components online, providing activation only for paid properties.
Duties
Invention of licensing algorithm
Invention of data communication protocol
Business-logic development
Performed coding
Communication with customers
Technologies
PHP, *nix
Project
A lot of utilities that works with archiving & mailing.
Technologies
Delphi, XML
NOT RELEVANT

March 1999 – October 2004 Desktop Systems, Ltd.
Kyiv, Ukraine
Position
Head of DB & Internet Department
Projects
Internet activities monitoring tool for small enterprise.
Universal environment for call-center & maintenance works info storage.
Duties
Work planning & reporting
Designed DB
Developed business-logic
Provided coding
Technical writing
Technologies
Delphi, MSSQL 2000, MS Project
Position
Developer
Projects
A number of internet projects (for example, soundillusions.com, talkinxpress.com)
Works info storage maintenance tool
Duties
Developed business-logic
Provided coding

Technologies
DHTML, JScript, Perl, ASP, MS SQL 6

Projects
A number of utilities and components for multimedia visualization purposes
Duties
Developed business-logic
Provided coding

Technologies
C++, Win32 API, Delhi, DHTML, Jscript
March 1998 – March 1999 National Insurance Company “ORANTA”
Kyiv, Ukraine
Position
Chief engineer
Projects
Automated system for distributed registration of assurance policies
Duties
Designed DB
Developed business-logic
Provided coding
Users support
Technologies
Clipper

June 1995 – March 1998 UTEC, Inc.
Kyiv, Ukraine
Position
Developer
Projects
Book-keeping problems oriented utilities
Duties
Provided coding
Technologies
Clipper

September 1992 – June 1995 KVAZAR, Inc.
Kyiv, Ukraine
Position
Developer
Projects
Reporting system programming
Duties
Provided coding
Technologies
C, DB Vista