English: B1
Russian: native
Ukrainian: not native
Primary (Expert) skills:
- Ruby on Rails (Capistrano3)
- MariaDB/MySQL
- Redis
- Perl
- Crystal-lang
- JQuery
- Bootstrap.js (version 3-5)
- Docker
- Git (Github CI, Gitlab CI/CD)
- Nginx (proxy, letsecrypt)
- SSH (port forwarding, sshfs)
- Linux (mc, tmux, cron)
Secondary skills:
- PostgreSQL
- PHP (CodeIgniter4)
- C++ (C+Builder6, Arduino, STM32 with GCC)
- Pascal (Delphi7, RAD XE)
- Bash scripts
- Meilisearch
- Ember.js
- Tailwind CSS
- Clickhouse database
Familiar with:
- Mongodb, MsSQL, Sqlite3,
- C#, Python,
- Vue.js, Angular, React.js,
- Java (Android Studio, Jira plugins)
Education: |
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| School, Krihiy Rih, Ukraine | 1993-2003 |
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Kryvyi Rih National University (KNU), Ukraine Bachelor’s Degree in Automated Systems |
2010-2014 |
Experience: |
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Civil builder, freelance(elance, upwork).Stack: Pascal (Delphi7, Kylix, Lazarus), C++ (C+builder6, Arduino), PHP, C#, Perl. Achievements: Patch for OpenTracker: auto switch between few sim-cards. Patch for Marlin 3D printer firmware: adaptation of bed position. |
2003-2014 |
Team vint.com.ua(istat24.com)Position: Middle web developer (fullstack, first fulltime). istat24.com: analytics platform (SIP, Call Tracking).Stack: Rails, PostgreSQL, MariaDB, Nginx, AWS, Bootstrap. Achievement: Split 380GB PostgresDB into 2_000+ small Maria DBs – performance increase x100-150 times. vint.com.ua, patisson-toys.com.ua, pacman.com.ua: shops.Stack: Perl, Crystal-lang, MariaDB, Nginx, Bootstrap. Achievement: MariaDBs master-slave replication. test.vint.com.ua: new frontend for vint.com.ua.Stack: MariaDB, Crystal-lang, Nginx, JQuery. svc-power.com.ua: shop.Stack: MariaDB, PHP, Codeigniter4, JQuery. |
2014-2022 |
Team testomat.ioPosition: Middle web developer (fullstack). app.testomat.io: Test management system.Stack: Rails, MariaDB/MySQL5.7 + Clickhouse, Meilisearch, TailwindCSS, Ember.js, Jira plugin (React.js). Achievement: cookie authorization for Testomat Jira plugin. |
2022-now |