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Work experience

Java-розробник

from 02.2022 to 01.2025 (2 years 11 months)
LSTELCOM, Київ (IT)

Achievements:
•Took an active part in implementing the vector storing functionality for NCLL project OpenStreetMap(leafletJS)
•Took an active part in implementing requirements for spectrum administrative portal https://spectra.sutel.go.cr/

Java-розробник

from 08.2014 to 01.2022 (7 years 5 months)
GicSoft, Київ (IT)

Achievements:
•Took an active part in implementing the Mindshine system which calculates best school bus routes in IOWA (USA). Email notifications of students about bus stop and time assigment. Used Tomcat as server. Google Maps, OpenStreetMap(leafletJS)
•Took an active part in implementing the student media portal https://scout.iowaaea.org/ - system which integrates different media vendors (html, epub, pdf, audio, video) in one system fir IOWA (USA). Create reader application for different formats (html, epub, pdf, audio, video) with additional functionality, bookmarks,
•Create system to import library MARC records into our DB, configure SOLR search framework for best search results.
•Create load testing workflows (jMeter, jUnit) which found bottle necks in the application (Spring/Hibernate).
•Create and configure Jenkins jobs for CI-CD workflow. Create bash scripts for application health monitoring with automatic restart if failed status detected.
•Install, configure Prometheus/Grafana for gathering application metrics (and DB metrics) and visual analyzing of time characteristics of REST application's responses.
•Create module for offensive content check (photo, video) using Amazon rekognition service(Spring/Hibernate)
•Agile: weekly grooming, planning, retrospective meetings, daily standups

Java-розробник

from 01.2010 to 08.2013 (3 years 7 months)
Epam Systems Ukraine, Київ (IT)

Achievements:
•Took an active part in implementing the “3DSecure” payment system for the retailer
•We had to come up with a solution how to avoid too many buttons which customer had to click to pass 3Dsecure check. I have suggested approach (to use self submitted forms by onload event), how to implement 3DSecure on frontend and then implemented this solution in the system. (jsp pages, jQuery requests and servlets for 3DS pipeline). This significantly improved usability and user experience as well as reduced the number of possible errors in the application.
•Working with trade portals J2EE, Spring, Hibernate. Take part in agile meetings: weekly
grooming, planning, retrospective. daily standups
•Created ALSB project for analyzing order and make SMS order confirmation via MIG (UK third party Message provider). It drastically improved user-friendliness and security of the ordering process for customer.

Java-розробник

from 07.2006 to 01.2010 (3 years 6 months)
Softline Ukraine, Київ (IT)

•Ministries and state committees (Government portal, Ministry of Finance of Ukraine, Ministry of Economic Development and Trade of Ukraine etc). 2006 -2008
•Customer wished to implement new functionality on a very tight budget. I suggested to use previously implemented API but in new way (like a new toy by LEGO constructor parts). So it was quickly invented and implemented technology of dynamic discussion within the Government Portal (http://www.kmu.gov.ua)
•Government wished to integrate separated regional databases into one centralized system to lookup information about state employees and documents from all over the country. I suggested to create new web application which worked as adapter for others. So I did following things:

-Created Delphi CMS for migrating data files with different types (XML, MDB, DBF ) to integration system’s DB (update data functionality was included to this approach).
-Created new DB structure for integration’s application: tables, constraints, triggers, sequences etc in Oracle
-Implemented design (created by team of designers) to this web application
-Managed and coordinated work with the remote team of 4 java developers:

♦created the project structure
♦assigned the tasks check results
♦upon completion, integrated the product into the main code base (java).
So, customer got a system to manage “NAP” and “Employees” data from all country in one place on their web portal.

Implementation specialist

from 05.2004 to 07.2006 (2 years 2 months)
Softline Ukraine, Київ (IT)

Responsibilities:
Technical assistance and support web application on RH Linux platform:

1.Install new applications to Tomcat
2.Run SQL scripts to update data in Oracle (TOAD used)
3.Update version of CMS on customers PC
4.Training users to work with CMS

Achievements:
•I’ve written a few BASH scripts to automate production process
•I’ve written a monitoring program (Delphi) which notified me by SMS about technical problem with servers on Data Center
•Achieved a leading specialist, performed an expert in the area of implementation
•I’ve installed a complete set of server software for several customers
•I’ve created a full guide for Implementation specialists to help them install and configure server

Education

TARAS SHEVCHENKO NATIONAL UNIVERSITY OF KYIV

Faculty of Geology, Geophysical Department, Київ
Higher, from 1995 to 2003 (8 years)

Additional education and certificates

Advanced Java Course

2013 TC "EPAM Systems"

IS "SIRAEL" (System for insurance companies)

2008 TC "AIS Software"

Administrating RDBMS Oracle on Windows 2000 Server

2005 TC Softline

Programming in Java

2005 TC Softline

"Rapid development of distributed software systems using Megapolis ".

2005 TC Softline

Programming in Visual Basic, VBA (macro language for Word and Excel)

2003 TC "Uspіh”

Knowledge and skills

• Посидючість
• MS Excel
• Наполегливість
• Швидкий набір тексту
• Уміння користуватись оргтехнікою
• Аналітичне мислення
• SQL
• Git
• Знання принципів ООП
• HTML
• CSS
• JavaScript
• Java

Language proficiencies

• English — average
• Russian — fluent
• Ukrainian — fluent