Contact information

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Work experience

SW Engineer (Platform & Security)

from 06.2021 to 04.2026 (4 years 11 months)
Imperva (via AllStarsIT), Київ (IT)

Enterprise security platform (legacy architecture, production-critical environment).

- Production troubleshooting in high-load enterprise security systems
- Cross-layer debugging: Java, Linux, networking, certificates, permissions
- Analysis and modification of Python-based operational tooling (impctl)
- Oracle diagnostics (ORA error analysis, memory investigation, JVM troubleshooting)
- Investigation of overload scenarios and performance bottlenecks
- Controlled dependency upgrades in legacy codebase
- Resolution of client-critical incidents in security-sensitive environments
- Cloud & virtualization platform integrations (vCenter / Azure / KVM / AWS)

Focus: reliability engineering, security hardening, modernization without production disruption.

Senior Java Developer

from 11.2017 to 06.2021 (3 years 8 months)
Nakivo, Київ (IT)

Enterprise backup and replication platform.

- Backend development and feature implementation (Java)
- Performance improvements for recovery scripts (PowerShell / POSIX)
- Active Directory integration
- Cloud & virtualization feature development (vCenter / Hyper-V / AWS)
- Cross-platform tooling (Windows / Linux)
- Production stability improvements

Focus: enterprise data protection infrastructure and recovery reliability.

Senior Software Developer/Head of Development

from 04.2016 to 08.2017 (1 year 5 months)
Indoormedia, Київ (IT)

Enterprise multimedia and workflow platform (Terrasoft BPM Online).

- Led cross-functional development team (6 members)
- Coordinated architecture decisions and system integrations
- Oversaw BPM customizations and internal service development
- Managed delivery timelines and deployment cycles
- Implemented integration-heavy workflow solutions

Focus: integration architecture, team leadership, workflow automation systems.

Middle Software Engineer

from 04.2013 to 04.2016 (3 years)
Nokk Soft LLC, Київ (IT)

Web client-banking platform for financial institutions.

- Designed and implemented backend architecture using Spring MVC + Spring Security
- Rewrote legacy servlet-based system
- Implemented role-based access control and SMS-confirmed transactions
- Integrated with external payment processing center
- Designed modular transaction structure (payments, templates, recurring operations)
- Built Ajax-driven interaction model

Focus: secure transaction systems, financial backend architecture, integration-heavy design.

Junior Developer

from 01.2011 to 04.2013 (2 years 4 months)
Renal LLC, Киев (Production, construction.)

- development and introduction of warehouse accounting
- optimization of reference data on the local server of the enterprise.

Selfemployment

from 05.2010 to 01.2011 (9 months)
Selfemployment, Киев (Research and development)

Experiments with the development of the core content management system sites:
- development of database structure (MySQL);
- creating diagrams and class structure (UML);
- development the engine (PHP).

Programmer-designer

from 05.2009 to 05.2010 (1 year)
FLP Sachenko V.V., Киев (Developent web-application)

- Development of a multimedia portal (video, audio broadcast) and small projects. (PHP + MySQL, JS)
- development and maintenance of projects under FMS (Flash Media Server) and WMS (Wowza Media Server). (Flash Action Script 3, Server-side action-script)

Education

Interdisciplinary Institute of Management.

Specialist in the field of foreign trade manager., Киев
Higher, from 2008 to 2009 (1 year)

Kyiv National University of Trade and Economics.

Specialist in accounting and auditing., Киев
Higher, from 1995 to 1999 (4 years)

Kiev radio-mechanic technical school.

Junior specialist in radio engineering., Киев
Specialized secondary, from 1995 to 1999 (4 years)

Knowledge and skills

• HTML
• Java
• CSS
• MySQL
• Spring Framework
• JavaScript
• XML
• jQuery
• PHP
• Programming
• Bootstrap
• Internet User
• Adobe Flash
• Internet banking
• BPM
• Terrasoft CRM

Language proficiencies

• Ukrainian — fluent
• English — beginner

Additional information

Languages:
- Russian/Ukrainian - fluent;
- English - read/write only. (!)

Personal skills:
- solving non-standard and complex tasks;
- good communication skills;
- skill to work in team;
- the ability to read and normal perception of someone else's code;
- ability to work qualitatively;
- ability to quickly master a new software product, technology;
- possession of creative abilities;
- the presence of the desire to work and earn.