Olekasandr Galushka, Developer in Cherkasy, Ukraine
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Olekasandr Galushka

Verified Expert  in Engineering

Software Developer

Cherkasy, Ukraine

Toptal member since July 6, 2016

Bio

Alex has been a big fan and avid user of RoR since 2010. His skill set includes Agile, Scrum, and XP. His favorite IDE is Vim. He is a dedicated individual and an enthusiastic programmer, equally comfortable working solo or contributing to a team effort.

Portfolio

Active Bridge
Elasticsearch, MongoDB, PostgreSQL, Ruby on Rails (RoR), Ruby, React...
Svitla Systems
CoffeeScript, Hadoop, PostgreSQL, MySQL, Ruby on Rails (RoR), Ruby, Full-stack...
Interlink
HTML, MySQL, VB, Java, Full-stack, Back-end, SQL, API Integration

Experience

  • HTML5 - 14 years
  • CSS - 14 years
  • PostgreSQL - 13 years
  • Agile - 13 years
  • JavaScript - 13 years
  • Ruby on Rails (RoR) - 13 years
  • Ruby - 13 years
  • Vim Text Editor - 5 years

Availability

Part-time

Preferred Environment

Ruby on Rails (RoR), Git, Chrome, Vim Text Editor

The most amazing...

...thing I've created is a Uber-like service in my city using Preact, Svelte, Flutter, and Ruby on Rails. I've managed the technical part, fleet, and staff.

Work Experience

Full-stack Ruby on Rails Developer

2012 - PRESENT
Active Bridge
  • Created and supported a software provider and marketplace.
  • Created online reservation, payment, and customer management software.
  • Created and supported a service for a community of trend setters, empowered risk takers, and incessantly social creatures.
  • Created the platform that connects endurance sports influencers and brands.
  • Created a platform to automate the process of splitting money. Created the API for developers.
Technologies: Elasticsearch, MongoDB, PostgreSQL, Ruby on Rails (RoR), Ruby, React, Full-stack, Back-end, Rails Engines, GraphQL, Amazon Web Services (AWS), DigitalOcean, Stimulus, Intuit QuickBooks, Ruby on Rails 7, SQL, API Integration, REST APIs

Ruby on Rails Developer

2010 - 2013
Svitla Systems
  • Created a viral video advertising platform with a lot of background jobs to convert and compress video files.
  • Built and supported a marketplace platform for famous clients like Cisco, Alcatel, and Avaya.
  • Developed a loan management tool. It allows small businesses to receive a loan super fast through an easy process. It was integrated with Intuit, DocuSign, and others.
  • Created a simple gem for a Rails asset pipeline to display nice confirmation dialogs.
Technologies: CoffeeScript, Hadoop, PostgreSQL, MySQL, Ruby on Rails (RoR), Ruby, Full-stack, Back-end, SQL, API Integration, REST APIs, QuickBooks API

Web Developer

2009 - 2010
Interlink
  • Worked on a complex SQL query used to generate some summary report.
  • Created an advanced Visual Basic script to build Excel reports and charts.
  • Contributed to Java-based projects and then started learning Ruby on Rails with other dedicated colleagues specializing on that technology.
Technologies: HTML, MySQL, VB, Java, Full-stack, Back-end, SQL, API Integration

Experience

Maxwell

https://himaxwell.com
Maxwell goes beyond loan applications and document management to bring America's local lenders forward-looking technology for the entire mortgage origination process. Flexible to your specific situation, you can choose the solutions you need or use the whole platform.

I was a senior full-stack Ruby on Rails developer and heavily participated in product development.

Influencial Social Media Platform

A platform that connects influential social media users with viral video advertisers. It's an application for sharing viral videos on Facebook, Twitter, and blogs, watching them spread and make money.

Solution Exchange

A web application that enables the partners of a cloud computing and virtualization technology company to market virtual appliances, vco plugins, and other related products and solutions. Partners can create and edit their own listings, present support statements, and upload supporting resources such as whitepapers, demos, and videos.

Developers-oriented Marketplace

Open to everyone, from IT applications to commercial software developers, service providers, and system integrators, this marketplace offers free technical education and assistance, plus compliance testing and co-marketing programs for technology partners.

Services Marketplace

A tool to connect and foster collaboration between developers and vendors. It targets a developer network whose members include individual developers, independent software and hardware vendors, systems integrators, and value-added resellers.

SmartBiz SBA Loans

https://www.smartbizloans.com/
SmartBiz is an AI-lending platform that connects business owners with U.S. Small Business Administration (SBA) loans, term loans, and flexible financing options. SBA loans of up to $5 million and term loans of up to $500,000 are available. When you apply for a loan through SmartBiz Loans, you may receive several offers from different lenders within its network to help you find the lowest interest rates or best terms.

ZOZI

ZOZI is a venture-backed startup in San Francisco, emerging as the leading brand for adventure. ZOZI is a booking platform where you can buy very interesting tours. As a coach, you can sell your services on our platform.

ZOZI Advance

ZOZI Advance is thoughtfully designed to enable you to manage your business simply. It allows you to increase sales with real-time online booking and streamline communication. This platform is designed for coaches to manage their booking experience.

PreeLine

PreeLine enables you to browse items that have yet to hit stores. You can follow your favorite brands to make the experience your own. This is a platform where you put your fashion collections and get user feedback before they go for sale.

Split

Split is an automated payment management solution that integrates directly into your bank, POS system, accounting software, or web application. This is an Australian platform for managing split payments between bank accounts.

Education

2005 - 2009

Junior Specialist's Degree in Software Development

Smila Engineering Professional College - Smile, Ukraine

Skills

Libraries/APIs

X (formerly Twitter) API, Rails Engines, REST APIs, PhantomJS, Selenium WebDriver, Facebook API, React, QuickBooks API, Google API, OmniAuth, jQuery, Sidekiq, Stripe, JSONAPI::Resources

Tools

RSpec, Vim Text Editor, Git, Apache Solr, Cucumber

Languages

HTML, CSS, HTML5, Ruby, JavaScript, SQL, GraphQL, Java, VB, CoffeeScript, Pascal, C++, Delphi 7, Assembly, Haml

Frameworks

Ruby on Rails (RoR), Capybara, Stimulus, Ruby on Rails 7, Chrome, Hadoop, Redux, Robot Framework, AngularJS

Paradigms

Agile

Platforms

DigitalOcean, Linux, Amazon Web Services (AWS), Heroku

Storage

PostgreSQL, MySQL, Elasticsearch, MongoDB, Redis, Amazon S3 (AWS S3)

Other

Full-stack, Back-end, API Integration, Poltergeist, Intuit QuickBooks, Parallels Business Automation, TCP/IP, Beanstalkd, Ruby Gems, Writing & Editing

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