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Work experience

Java-розробник

from 09.2023 to 11.2025 (2 years 3 months)
GlobalLogic Ukraine (IT)

Additional information

Oleg Sopilnyak

Address:
Prospect Leninsky 9a,apt 70 Donetsk, Ukraine
Kyiv, Rizka 73g app.192

Contacts:

Skype: oleg.sopilnyak
Email:
[open contact info](look above in the "contact info" section)
[open contact info](look above in the "contact info" section)
Phone:[open contact info](look above in the "contact info" section)

Date Of Birth:
29-05-1964

Education:

1982-1988
Donetsk State University; Donetsk, USSR
Faculty of Mathematics

Expertise:
Design and Development of Product, Program Optimization, Quality of Service, System and Program Analysis, Problems troubleshooting, Apply new approaches.

Work Experience:

January 2018 – Now
Luxoft, Citigroup RefData, Kiev, Ukraine
Senior Software Engineer.
As a Head of member of L3 Customers Support I am in charge of creating, testing and deployment rules (selectors) and metadata of markets data.
Tools and technologies:
Idea IDE, Chrome Development Tool
Spring-4, Java EE, XML, Oracle, MongoDB, SOAP, JSON, Maven, JUnit4, Mockito, Windows 7, Linux.
Agile methodologies: Scrum, Kanban.

KaaIoT, Outset, Kiev, Ukraine
Senior Software Engineer.
In role of Java Tech Lead take place in development of system to register medical device metrics, process them and prepare for convenient view and processing. During short time I run Artifactory move exists artifacts to storage, making life of developer easier. Cover most code by unit-test dividing application to 6 modules. Built end-to-end test. Achieved stable and fast work of legacy application. By the customer request implement multi-tenant access to several Cassandra clusters. Adjust Kafka consumer to increase performance of service.
Tools and technologies:
Idea IDE, Chrome Development Tool
Spring-4, Spring Boot, Spring Data, Spring Security, OUTH 2, WebSockets, REST, Cassandra, PostgreSQL, Kafka, JSON, Maven 3, JUnit 4, Mockito, Ubuntu.
Agile methodologies: Scrum, Kanban.
Superior: Aleksandr Antonenko, e-mail: [open contact info](look above in the "contact info" section), tel:[open contact info](look above in the "contact info" section)

September 2017 – January 2018
Luxoft, Citigroup RefData, Kiev, Ukraine
Senior Software Engineer.
As a Head of member of L3 Customers Support I am in charge of creating, testing and deployment rules (selectors) and metadata of markets data.
Tools and technologies:
Idea IDE, Chrome Development Tool
Spring-4, Java EE, XML, Oracle, MongoDB, SOAP, JSON, Maven, JUnit4, Mockito, Windows 7, Linux.
Agile methodologies: Scrum, Kanban.

Luxoft, Citigroup RefData, Kiev, Ukraine
Senior Software Engineer.
As a Head of member of L3 Customers Support I am in charge of creating, testing and deployment rules (selectors) and metadata of markets data.
Tools and technologies:
Idea IDE, Chrome Development Tool
Spring-4, Java EE, XML, Oracle, MongoDB, SOAP, JSON, Maven, JUnit4, Mockito, Windows 7, Linux.
Agile methodologies: Scrum, Kanban.


Languages:
English (upper-intermediate), Russian (native).

Cover latter:
I spent at least 16 years designing and developing scalable (vertical and horizontal) software, delivering large-scale high quality, performance-critical software and problems troubleshooting.