Работал в 13 компаниях   14 лет 7 месяцев

Телекоммуникации / Связь, IT

Full-Stack Ruby Developer

Mackenzie Laboratories

Телекоммуникации / Связь

1 год 9 месяцев

03.2023 - по настоящее время

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 месяцев

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 года 4 месяца

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 месяцев

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 год 11 месяцев

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 месяцев

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 год 7 месяцев

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 месяцев

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 месяцев

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 год

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 месяцев

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 год

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 год 3 месяца

09.2009 - 12.2010

Project/Role description:

The set of sites of regional localizedTV global player.

Tools and technologies:

  • Ruby
  • Rails
  • RSpec
  • Passenger
  • AWS

Ключевая информация

  • Ruby / Rails: 10/10
  • Databases: 10/10
  • JavaScript: 7/10
  • HTML / CSS: 7/10
  • Testing: 10/10
  • DevOps: 8/10
  • Methodologies: 7/10

Учился в 1 заведении

EUBA SK

International Relations

Bratislava, 2002

Владеет языками

Английский

продвинутый

Словацкий

свободно

Украинский

родной

Курсы, тренинги, сертификаты

Introduction to Artificial Intelligence

Simplilearn, 2023

https://bitbucket.org/sumskyi/cv/raw/afb85059adc4f78201c5c4ea643565c829197e1e/AI_certificate_4091186_1673771827.pdf

Learn Hotwire by Building a Forum

Andrea Fomera, 2023

Hotwire skills with Rails 7

Introduction to Functional Programming

EDX, 2014

https://www.edx.org/course/introduction?to?functional?programming

Functional Programming Principles in Scala

Coursera, 2013

https://www.coursera.org/specializations/scala

Programming Languages

Coursera, 2013

https://www.coursera.org/learn/programming?languages

Software as a Service

EDX, 2013

https://edge.edx.org/courses/BerkeleyX/cs169x/Software_as_a_Service/about

Дополнительная информация

Водійське посвідчення

B

Захоплення та інтереси

Fishing, bicycling, chess

Владислав

Senior Ruby on Rails Developer

Львов

Готов переехать: Киев

4 000 $

48 лет

Активно ищет работу

полная занятость, неполная занятость

Характер работы: удаленная работа

Обновлено 8 часов назад