Resume from December 10, 2019 PRO

Krapivnyi Serhii Yurievich

Senior Software Engineer, 60 000 UAH

Full-time.

Age:
37 years
City:
Odesa

Contact information

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Work experience

Senior Software Engineer, DBA

from 01.2006 to now (14 years)
Intertelecom, Одеса (Mobile operator)

BSS. Development and service of CRM systems.
Development and service of the core of a self-service system.
Development, analysis and service of reports.
OSS. Development and service of BILLING systems including traffic billing (PrePaid and PostPaid systems), voice calls, SIP calls.
Development and service of authorization systems (AAA, HSS) based on the Radius and Diameter protocols.
Oracle Database Administration.
Development of database structures and PL/SQL procedures for processing billing processes. Work with big data, also optimizing SQL queries and PL/SQL code.
Development and service of REST Servers (HTTP / HTTPS + XML / JSON) for internal needs and for integration with partners.
Development of a system for recording working hours and tasks of employees (for internal use).
Implementation of the Redmine project management system with changes to its work.
Setting tasks for further implementation.

Software Developer

from 08.1999 to 01.2006 (6 years 5 months)
RIMSIS, Одеса (Information Technology)

Development and service of CRM systems.
Development and service of BILLING systems.
Development, analysis and service of reports.


Education

Odessa National 'I.I. Mecnikov' University

Applied mathematics, Одеса
Higher, from 09.1999 to 06.2005 (5 years 9 months)

Master of Science - MS


Additional education

O12cDBAnew: New features for administrators (2016)


Professional and other skills

  • Delphi (20 years of experience)
    Fluent, I currently use it.
  • InterBase/Firebird SQL Server (18 years of experience)
    Fluent, I currently use it.
  • Oracle Database (17 years of experience)
    Fluent, I currently use it.
  • PL/SQL (17 years of experience)
    Fluent, I currently use it.
  • RADIUS protocol (10 years of experience)
    Fluent, I currently use it.
  • HTTP/HTTPS protocol (10 years of experience)
    Fluent, I currently use it.
  • XML/JSON (10 years of experience)
    Fluent, I currently use it.
  • Ms Visual C# (2 years of experience)
    Above average, 1 year ago .
  • Ms Visual Basic (1 year of experience)
    Above average, more than 4 years ago.
  • C/C++ (2 years of experience)
    Above average, more than 4 years ago.
  • MS SQL Server (2 years of experience)
    Average, more than 4 years ago.
  • Lotos Notes/Domino (1 year of experience)
    Average, more than 4 years ago.

Language proficiencies

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

Additional information

Technical skills:
• design and development of databases
• design and development of billing systems
• design and development of client-server applications
• design and development of interaction systems
• design and development of backup systems
• design and development of multi-user systems

I am interested in learning new technologies.


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