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Kostiantyn
Dichkovskyi
System Administrator
Profile
I like to move forward, learn something new, solve different kinds of
problems and help others to understand a problem, teach them
how to solve it. I want to do really interesting products.

Work Experience
2025 Jan - 2025 Nov
Keepsolid
System Administrator
Deployed and configured servers and core infrastructure components.
Performed functionality testing and ensured stable system operation.
Monitored server health and service availability using Zabbix.

Contact Deployed websites on Nginx, including configuration of secure access via
PKCS#12.
[open contact info](look above in the "contact info" section) Created, renewed, and managed SSL certificates for servers and web services.
Ensured reliability, security, and consistent performance of the infrastructure.
[open contact info](look above in the "contact info" section)
Ukraine, Odesa 2024 Jul - 2025 Jan
Github Natural Links
QA Automation Specialist
Developed automated and maintained link validation tools with customizable
Tools conditions.
Built internal utilities to streamline and scale verification processes.
Caddyserver / Nginix / Traefik / SSH
Forward / WireGuard / IPSec / 2023 Mar - 2024 Dec
Firewall (IPTables, ufw) / Cloudflare Various Freelance
Linux (Ubuntu, Debian, Alpine) Python Developer
Supervisor / Restic / Cron I have been developing microservices for both small and large businesses,
Ansible / SaltStack / CI/CD focusing on scalable, efficient, and reliable solutions to meet diverse business
needs.
Crowdsec / app-sec
2022 Mar - 2023 Feb
Extra DefiLab
Python 3 / Git / Docker (+ Compose) Python Developer
RESTful API / FastAPI / Robyn / Sanic / Service to promote sellers on the marketplace web and Telegram.
DRF Platform for feedback between companies and customers in Telegram.
Platform for the NFT in Telegram.
Memcached / Redis / DragonFly
Kanban / Jira / Trello 2019 Jul - 2022 Feb
SQLAlchemy / Alembic Various Freelance
PostgreSQL / MySQL / MariaDB / Backend Python/Django Developer
SQLite
Online store on Django implementation of a payment system for goods
Celery /APscheduler / Python-RQ /
(LiqPay) and a filtering mechanism.
RabbitMQ Site for a financial organization in Ukraine; a calculator for calculations
WebSockets (Django Channels / by formulas, pages for posts (news, promotions and blog) with SEO
Flask-SocketIO / NodeJS) integrations and forms for sending to e-mail and to the bitrix24 system
Django / Flask / Wagtail was developed.
Website for the Video Products company in Ukraine: there was a
feedback form and a brief. The data from the form is sent to the mail of
Languages the company and to the telegram group of the company.
English - Pre-Intermediate 2010 - 2019 Jan
Ukrainian - Native Various Freelance
Russian - Native Full-Stack Developer
Developed websites with and without layout.
Installed CMS and configured. I wrote separate modules for CMS, in
Soft skills particular Wordpress.
Problem-solving Learnability Developed sites on PHP frameworks and without, with the deployment of
Critical Thinking Curiosity the server on Apache / Nginx in conjunction and separately.
Unique project, with writing different calculation formulas and integrating
a payment system to deposit funds.