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Work experience

Software Engineer

from 05.2022 to 07.2025 (3 years 2 months)
Skai, Вінниця (IT)

Developed and maintained Java microservices for real-time marketing data processing.

Implemetation and aggregation of data from external APIs (Facebook Ads, Google Ads, Amazon Ads).

Implemented integrations with RabbitMQ and Kafka for asynchronous data exchange between services.

Wrote unit and integration tests (JUnit, Mockito)

Participated in code reviews, CI/CD implementation (Jenkins, GitHub Actions), and migration of services to Kubernetes.

Solution architect

from 08.2020 to 11.2020 (3 months)
ITernal Group, Київ (Finance, banking, and insurance)

Preparation of the POC of bank payments 24/7 for Raiffeisen Bank Aval

Senior java developer

from 02.2020 to now (5 years 6 months)
Maxpay-international payment gateway, Київ (Finance, banking, and insurance)

Responsibilities: Development of processes within the team aimed at increasing the stability of the
system(cross review, implementation of automated testing, etc.). Analysis of system performance
and its compliance with SLA metrics. Analysis of the quality and compliance with the terms of
reference of the released code. Analysis and improvement of development processes.
Coordination and analysis of initiatives aimed at improving the technical component of the system.
Selection of development tools.

Technologies: - server side (Linux, docker, Rabbit MQ);
-backend (Java core, Springboot, Apache Freemarker, MySQL, PHP, Mockito,
JUnit).

Java Software Developer

from 02.2018 to 02.2020 (2 years)
ТАСКОМБАНК, Київ (Finance, banking, and insurance)

Responsibilities: Full circle of fintech software
Technologies: - server side (Linux, docker);
- backend (Springboot, Spring Security, Spring Data, Hibernate, Oracle).

Java developer

from 09.2017 to 02.2018 (5 months)
EnableVPN — VPN provider, New-York (IT)

Responsibilities:
Full development cycle.
- formulation of the technical concept of the project;
- selection of technical resources for implementation of the project;
- creation of the main site and admin panel;
- creation of the REST service for user logins and collecting user connections;
- creation of the system for generating SSL certificates.

Technologies:
- server side (Linux, Nginx, OpenVPN, stunnel, rrd, docker);
- SSL (OpenSSL, EjbCA, Jboss);
- backend (Springboot, Spring Security, Spring Data, Hibernate, Thymeleaf, Gradle, Postgresql, Mockito, JUnit);
- site (Bootstrap, Jquery, Facebook API, *checkout providers API).

Java developer

from 01.2017 to 02.2017 (1 month)
Runsider - marathon photos marketplace, Paris (IT)

Responsibilities:
- full fix/refactoring of the previous code;
- replacing Apache Shiro with Spring security;
- became established Hibernate instead of JDBC;
- added several function: remember me, facebook login;
- covered the system with tests completely.

Technologies:
- server side (Springboot, Spring Security, Hibernate, JSP/Thymeleaf, MySQL);
- site (Bootstrap, Jquery, Facebook API).

Java developer

from 04.2014 to 03.2018 (3 years 11 months)
Jetforcer s.r.o., Prague (IT)

Participated in the development of IntelliJ-based IDE for Salesforce platform - Jetforcer

Responsibilities:
- Technical support of the development process:
- CI (Github-TeamCity-Youtrack);
- infrastructure of servers (CI + build agents, mail, domains).
- Created autocompletion and postfix completion features, worked with CSS injections in SF language, made a contribution to symbol resolution/navigation, participated in the other parts of the project.
- Created unit tests (with test data in Salesforce Apex).
- Worked with BNF, syntactic trees, acquired deep knowledge about IntelliJ Idea plugin development platform.
- Created a system for scraping documentation from official site and then storing it in JSON format (Jsoup, docker splash).
- Created the license management system based on OpenPGP (Springboot, Spring Data, Thymeleaf, PostgreSQL, Bootstrap, Paypal API).

Java developer

from 02.2011 to 04.2014 (3 years 2 months)
Viatra2 s.r.o., Prague (IT)

Developed a system of collecting and processing data from the bookmaker sites.

Responsibilities:
- created a code for the odds scraping from the bookmaker sites;
- support Hadoop nodes.


Technologies:
- Java core, pure jdbc, Google AppEngine , MySQL;

Supports IntellijIDEA plugins (Docker/OpenShift/AWS Beanstalk).

Responsibilities:
- bug fixing and feature requests;
- created a new version of OpenShift plugin (for OpenShift 3).

Системний адміністратор

from 09.2005 to 02.2011 (5 years 5 months)
Omega/Triest LLC, Донецьк (Автобізнес та автосервіс)

Worked as a full-time systems administrator to manage and maintain a 10+ mixed server environment (Windows/Linux).
Created and supported the computer network, which involved more than 10 remote office locations and 200+ workstations; performed maintenance of software and hardware.

Education

Донецкий Национальный Университет

Физический, радиофизика, Донецк
Unfinished higher, from 2000 to 2005 (5 years)

Additional education and certificates

Центр новых технологий в образовании (Донецкий Национальный Университет)

2011, 2 года

Knowledge and skills

• Комунікабельність
• Java
• Git
• Знання принципів ООП
• SQL
• Spring Boot
• Spring Framework
• PostgreSQL
• Docker
• Hibernate
• MySQL

Language proficiencies

English — average