Дмитрий

Dmytro Kalynovskiy
DevOps Engineer

Contacts:
Email: [open contact info](look above in the "contact info" section)
LinkedIn
Telegram
Location: Ukraine, Dnipro

Professional Summary:
Infrastructure Engineer with over 5 years of expertise in top-tier technical support, specializing in Docker
deployment, Kubernetes orchestration, Helm, Bash, Python, JavaScript, and PowerShell scripting.
Proficient in version control systems such as Git, Bitbucket, and Mercurial, with hands-on experience in
CI/CD applications like Jenkins and TeamCity. Skilled in navigating both Windows and Linux operating
systems, and proficient in SQL databases. Additionally, adept in dynamic scripting languages and
application development using Flask + HTML (Bootstrap 5). Possess foundational knowledge in cash
register equipment, retail and accounting software, and 1C. Actively seeking opportunities to apply my
diverse skill set in a challenging environment.

Technical Skills:
 Operating Systems: Windows, Linux (Ubuntu, Debian, OpenSUSE, CentOS)
 Databases: Firebird, PostgreSQL, OracleSQL, MSSQL, Sybase
 Scripting Languages: Bash, Python, JavaScript, PowerShell
 Version Control: Git, Bitbucket, Mercurial
 Application Development: Flask + HTML, Bootstrap 5
 Containerization: Docker
 Continuous Integration and Delivery: Jenkins, TeamCity
 Monitoring: ELK (Elasticsearch, Logstash, Kibana)
 Networking: TCP/IP
 DevOps: Kubernetes, Helm
 Virtualization: VMware
 Web Servers: Apache, Nginx
 Agile Methodology: Jira, Confluence

Soft Skills:
 Quick Learner: Ability to rapidly acquire new skills and knowledge.
 Effective Communication: Proficient in communicating with diverse team members.
 Responsibility: Demonstrates accountability and reliability in completing assigned tasks.
 Problem solving: Possesses strong analytical and critical thinking skills. Able to identify issues,
analyze root causes, and develop effective solutions to complex problems.
 Information seeking: Actively seeks out information and resources to enhance understanding
and improve outcomes. Utilizes various sources and methods to gather relevant information
Languages:
 Ukrainian – Native
 Russian – Native
 English – Intermediate

Professional Experience:
Infrastructure Support Engineer April 2021 – Present
TS Imagine

 Maintained databases on Sybase and Postgres, applying database upgrades.
 Resolved infrastructure problems for the quality control team, writing scripts in Bash, Python,
JavaScript, and PowerShell. Maintained and updated web server on Apache, Python + Flask +
Bootstrap 5. Supported QA tools: Design, development, fixes, updates.
 Worked with server equipment remotely (Windows RDP, Vsphere).
 Managed repositories on Bitbucket, making changes to existing ones and creating new ones.
 Created tasks in Jira and wrote documentation for Confluence pages.
 Worked with GNU Make and Docker.
 Supported ELK stack (ElasticSearch, Kibana, Logstash).

Achievement:

 Utility for Simplified Product Launch:
Developed a utility significantly simplifying the custom launch process of the product under
development. Effectively created a launcher facilitating the product launch for team members.
 Database Upgrade Automation:
Implemented an automated process for applying database upgrades, reducing the application
time from three hours to just 10 minutes. Significantly improved efficiency and reduced time
expenditure.
 Web Service Migration and Feature Enhancement:
Successfully conducted the migration of a web service from Bootstrap 3 to Bootstrap 5.
Additionally, developed several new features for the web service, enhancing its functionality
and user experience.

Technical Support Specialist March 2020 – April 2021
LTD PC-Service

 Serviced cash equipment: Fiscal registrars, cash scales, scanners, POS-Systems.
 Maintained POS-systems on Linux operating systems and on Docker conatiners.
 Worked with server equipment remotely (Windows RDP).
 Worked in 1C with modules related to the cash register equipment database.
 Maintained SQL Databases (Firebird, PostgreSQL), corrected errors when entering data into the
database, and installed databases on new POS-Systems.
 Refined software through Python and Bash scripts.
Technical Support Specialist August 2017 – November 2018
LTD PC-Service

 Serviced cash equipment: Fiscal registrars, cash scales, scanners, POS-Systems.
 Maintained POS-systems on Windows and Linux operating systems.
 Worked with server equipment remotely (UltraVNC, Windows RDP).
 Worked in 1C with modules related to the cash register equipment database.
 Maintained SQL Databases (Firebird, PostgreSQL, MSSQL), corrected errors when entering data
into the database, and installed databases on new POS-Systems.
 Refined software through Bash scripts.

Education:

The fundamentals of software testing 2021
Certificate

Lectures have been listened:

 Docker containers
 CI/CD
 Git
 Kubernetes
 Network

Higher education:

Dnipropetrovsk University of Economics and law

Bachelor, Jurisprudence 2014 – 2018