Працював в 13 компаніях 14 років 7 місяців
Телекомунікації / Зв'язок, IT
Full-Stack Ruby Developer
Mackenzie Laboratories
Телекомунікації / Зв'язок
1 рік 9 місяців
03.2023 - до теперішнього часу
Responsibilities:
- Research & Development
- Architecture
- Code reviews
- Automated testing,
- Support / maintenance
- Working with a hardware communication via IoT (Internet of Things)
Tools / technologies stack:
- Ruby 3 / Rails 7
- RSpec
- PostgreSQL
- Sidekiq
- Docker
- AWS
- CI/CD
- JWT
- Hotwire/Stimulus
- Angular
- MQTT protocol (IoT)
Seniour Ruby developer
RubyGarage
IT
9 місяців
10.2021 - 07.2022
Responsibilities:
- new features
- bug-fixing
- support
- deployment
Tools / technologies stuck:
- Rails
- RSpec
- CoffeeScript
- Sidekiq /Redis
- Heroku
- PostgreSQL
- MongoDB
- ElasticSearch
- Docker
Freelancer / Contractor
PE Sumskyi
IT
3 роки 4 місяці
07.2018 - 11.2021
Role:
- Database administration
- automated testing
- support/maintenance
- bug fixing
Tools and technologies:
- Ruby/Rails
- Grape
- Sinatra
- RSpec
- MySQL
- PostgreSQL
- Redis/Sidekiq
- Docker
Senior Ruby Developer / Architect
Customertimes
IT
6 місяців
01.2018 - 07.2018
Responsibilities:
- architecture
- sprint planning
- mentoring
- code review
- automated testing
- refactoring
Project/Role description:
- Server database architecture design /refactoring, sprint planning, code review / refactoring
- DB queries optimization
- back-end development
- automated testing
Tools and technologies:
- Ruby on Rails
- RSpec
- React
- JavaScript/ CoffeScript
- PostgreSQL
- Sidekiq
- AWS
- Capistrano.
Senior Ruby Developer / Technical Lead
Syndicode
IT
1 рік 11 місяців
02.2016 - 01.2018
Project/Role description:
- Back-end architecture design
- mastering indexing / DB design / Importing Data
- Web API creation
- Back-end development.
Tools and technologies:
- Ruby on Rails
- RSpec
- PostgreSQL
- Trailblazer
- JavaScript
- ElasticSearch
- Redis
- AWS
- Nginx
- Puma
- Docker
Technical Lead
SoftServe
IT
7 місяців
07.2015 - 02.2016
Project/Role description:
- Performance optimization
- server tools
- code review
- refactoring
- development
- automated testing
Tools and technologies:
- Ruby on Rails
- MySQL
- Capistrano
- AWS
- RSpec
Senior Backend Developer
Intersog
IT
1 рік 7 місяців
09.2013 - 04.2015
Project/Role description:
- Architecting and coding SOA
- multiple APIs
- integration with payment systems
- performance optimization
- server tools
- code review
- refactoring
- development
- automated testing
Ruby team lead
Ciklum
IT
7 місяців
01.2013 - 08.2013
Project/Role description:
Reevoo has pioneered a measurably better approach to ratings & reviews based on independent validation.
- SQL
- testing
- refactoring
- performance optimization
Tools and technologies:
- Ruby
- Rails
- MySQL
- Highcharts,
- RSpec
- Cucumber
Architect / Senior Developer
LevelUp Games
IT
8 місяців
12.2012 - 08.2013
Project/Role description:
- Web scrapping
- data mining
- generating SEO keyphrases arrays
- creating a proxy server pool
- testing
- deployment
Tools and technologies:
- Ruby 2.0 MRI
- Jruby
- Capistrano
- Rails
- Padrino
- Ansible
- Sidekiq
- Knockout.js
Ruby developer
Star (ex Cogniance)
IT
1 рік
01.2012 - 01.2013
Project/Role description:
Back-end for Social Networks aggregator for mobile app.
- Programming
- refactoring
- performance optimization
- automated testing
Tools and technologies:
- Ruby
- Rails,
- MongoDB
- AWS
- Heroku
- RSpec
- Cucumber
Ruby developer
PE Sumskyi
IT
6 місяців
05.2012 - 11.2012
Project/Role description:
- Back-end & API for mobile applications
- generating charts from the gathered devices data
- Video converting
- payments and subscription processing.
Tools and technologies:
- Ruby
- Rails
- RSpec
- Cucumber
- PostgreSQL
- MongoDB
- AWS
- CoffeeScript
- ffmpeg
Ruby developer
Svitla Systems Inc.
IT
1 рік
01.2011 - 01.2012
Project/Role description:
The Best Phone s.e.x. & Live WebCam.
- Rewriting legacy online project from .NET to Ruby
- Programming server side, automated testing
Tools and technologies:
- Ruby
- Rails
- RSpec
- Passenger
- AWS
- RVM
Ruby developer
Railsware
IT
1 рік 3 місяці
09.2009 - 12.2010
Project/Role description:
The set of sites of regional localizedTV global player.
Tools and technologies:
- Ruby
- Rails
- RSpec
- Passenger
- AWS
Ключова інформація
- Ruby / Rails: 10/10
- Databases: 10/10
- JavaScript: 7/10
- HTML / CSS: 7/10
- Testing: 10/10
- DevOps: 8/10
- Methodologies: 7/10
Навчався в 1 закладі
EUBA SK
International Relations
Bratislava, 2002
Володіє мовами
Англійська
поглиблений
Словацька
вільно
Українська
рідна
Курси, тренінги, сертифікати
Introduction to Artificial Intelligence
https://bitbucket.org/sumskyi/cv/raw/afb85059adc4f78201c5c4ea643565c829197e1e/AI_certificate_4091186_1673771827.pdf
Learn Hotwire by Building a Forum
Hotwire skills with Rails 7
Introduction to Functional Programming
https://www.edx.org/course/introduction?to?functional?programming
Functional Programming Principles in Scala
https://www.coursera.org/specializations/scala
Programming Languages
https://www.coursera.org/learn/programming?languages
Software as a Service
https://edge.edx.org/courses/BerkeleyX/cs169x/Software_as_a_Service/about
Додаткова інформація
Водійське посвідчення
B
Захоплення та інтереси
Fishing, bicycling, chess
Владислав
Владислав
Senior Ruby on Rails Developer
Львів
Готовий переїхати: Київ
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