OB
Ukraine
UTC+02:00 (Europe/Kiev)
Oleksiy B.
I am a senior full-stack Ruby, Ruby on Rails developer with PHP, Java, C# experience
Higher Education Computer Science
£75,500£67,900/YEAR
10% discount on yearly basis
All rates are indicative, annual rate includes 10% discount
£6,000/MONTH
£37/HOUR

Expertise

Other technologies

Apache
C#
Java
JIRA
Objective-C
PHP
Amazon Web Services
Git
Nginx

Portfolio Highlights

American company

A large scalable e-commerce that delivers goods from the corner shops to the local neighborhoods in the USA. The thing that differentiates this product from other e-commerce sites is the ability to deliver clients’ purchases for only 30 minutes or less.

Full-stack developer

Team coordinating Developing Code refactoring Participation in estimation activities

Ajax
Amazon S3
CSS
MySQL
PostgreSQL
Ruby
Ruby on Rails
Microservices

French company

The project is a web service that allows reviewing a list of all subscription emails the users have and choose the ones they want to unsubscribe from in a simple way just in a few clicks.

Full-stack developer

Development Team coordinating System architecture

Ajax
CSS
HTML5
PostgreSQL
Ruby
Ruby on Rails
Stripe
HTML

US client

Web service for storing interesting subscriptions in folders, tag them and teach the system how to avoid spam links from emails.

Full-stack developer

Application development Architecture design Work on analysis and estimating activities

Ajax
CSS
PostgreSQL
Ruby
Ruby on Rails
Stripe
HTML

US company

Web application for US customer for traffic control. It allows users to draw intersections templates, upload files and process the data, create reports.

Full-stack developer

Application development Team coordination System architecture Database design

Ajax
CSS
PostgreSQL
Ruby
Ruby on Rails
HTML

Austrian company

The project was made for an Austrian company with the purpose to monitor their servers. The application helps managers to see server statuses in a live mode.

Full-stack developer

Application development System architecture

Ajax
CSS
Google API
PostgreSQL
Ruby
Ruby on Rails
HTML

Asian company

This is a large project similar to, tripadvisor but targeting the Asian market. It includes a web-site for planning trips allowing users to leave comments about each place available, upload photos, etc.

Full-stack developer

Application development

Ajax
CSS
Google API
Ruby
Ruby on Rails
HTML
SQLite

About me

I have experience with Ruby and Ruby on Rails, Amazon Services, My SQL, HTML, CSS, etc. I have worked with Java, C-sharp, and Objective-C. Additionally, I have a basic knowledge of PHP. I am a result-oriented person, have a proactive and rigorous approach in dealing with duties. Quick learner, love to deal with complicated tasks and creating flexible architecture. I always think about product quality and fast delivery and trying to achieve medium between them.

web and mobile app development agency #804

100-400
Lviv/Ukraine
GMT+2
Core Expertise
Agile
Ajax
Android SDK
C
C#
C++
CSS
HTML5
JavaScript
jQuery
MySQL
.NET
Objective-C
PostgreSQL
React.js
React Native
Ruby
Ruby on Rails
SQL
SQL Server
Visual Studio
.NET Framework
ActiveX
ADO.NET
ADO.NET Entity Framework
Agile software development
Bootstrap
CSS3
Entity Framework
HTML
Multithreaded Programming
Swift
Adaptive layout
Android Studio
Angular 2x
iOS SDK
Acceptance testing
.NET Core
Angular 7
Industries
Architecture & Design, Business & Productivity, E-Commerce & Retail, Banking & Finance, Information services & Technologies, Construction & Real estate, Sports & Fitness, Law & Government, Shopping & Loyalty programs, Photo & Video, Healthcare & Medicine, Booking & Rent, Electronics & Equipment
A full cycle web and mobile application development provider for the technology companies and startups primarily located in the US and EU. We have a representative office in Austin, TX, and a development center in Lviv, Ukraine with 120+ strong software engineers, architects, testers, and UI/UX designers available for outsourced development or team extension projects, as well as for technical application maintenance and support. Recognized as one of the top .NET companies in Ukraine by Clutch.co and #1 IT Employer in Lviv, Ukraine by DOU, Leobit has successfully delivered over 150 well-designed and well-factored web & mobile applications to technology companies ranging from Fortune 500 firms to Silicon Valley startups.