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Denis D.
Last update: 12 Jul 2018
JUNIOR
I focus on backend tasks mostly using Ruby and Ruby on Rails framework in complex projects.
More than 1.5 years of web-application development and programming experience.
Project management skills.
Skilled in database design and system architecture design.
Experienced in managing linux servers.
Problem-solving and communication skills.
I focus on backend tasks mostly using Ruby and Ruby on Rails framework in complex projects.
All rates are indicative, annual rate includes 20% discount
20% discount on yearly basis
GMT+3 Middle East
Kharkiv/Ukraine

PORTFOLIO HIGHLIGHTS

Analytical application (details are under NDA)

Back-end developer

The main tasks in project: - managing servers (VPS, AWS); - maintaining stable work of the web application; - implementation of new functionality; - code refactoring.

Analytical application for evaluating the investment attractiveness of companies.

Technologies Stack:

CSS HTML5 JavaScript jQuery PostgreSQL Ruby Ruby on Rails Redis Sidekiq Vue.js

Outsource People (outsource-people.com)

Back-end developer

Common tasks: • communication with customer • clarifying specification for tasks The main tasks in project: - developing architecture for the new version of the website. - preparing server (including automated backups of the database); - configuration of deploy; - implementation of basic functionality including client part of the application and admin. - writing auto tests (covered percentage - 86) - code refactoring

Outsource People is an online-platform that facilitates coordination and management of a specialized business conference for owners and managers of IT-companies. This IT event is held semiannually, giving key ideas and inspiration to CEOs, Sales Managers and anyone who wants to bring their businesses to a new level. Read more in the case study:sloboda-studio.com/work/outsource-people/

Technologies Stack:

CSS HTML5 JavaScript jQuery MailChimp PostgreSQL Ruby on Rails Bootstrap

Apoker.kz (http://apoker.kz)

Back-end and front-end developer

Common tasks: • implementation of new features; • write code; • bug fixing; • markup fixing.

Information portal about poker.

Technologies Stack:

CSS JavaScript jQuery PostgreSQL Ruby Ruby on Rails HTML

Whamerha.com (https://www.whamerha.com/)

Ruby Developer

My part in this project was to add application forms for clients, rewrite/refactor code, manage server to install project, add SSL certificate, bug fixing etc.

Application for company which is providing rental housing for eligible low-income families

Technologies Stack:

jQuery Ruby Ruby on Rails HAML Refinery CMS Sidekiq

Hyde Country (http://visithyde.org/)

Ruby Developer

Common tasks: • implementation of new features; • write code; • bug fixing; • deploy project on production

Business card site.

Technologies Stack:

jQuery Ruby Ruby on Rails Refinery CMS Sidekiq

Lasertag (under NDA)

Back-end developer

Common tasks: • Setup an application; • write api for collecting statistic; • implementation of new features; • write code; • markup fixing.

API for collecting and managing games statistic.

Technologies Stack:

Ruby Ruby on Rails HAML Grape

CBSI Database

Templex developer

Common tasks: • code writing; • code refactoring; • small bugfix;

Internal project for managing data in the database and increase its effectiveness.

Technologies Stack:

C#

EDUCATION

National Technical University “Kharkiv Polytechnic Institute”

Department Of Economic Information Science and Management - Economical cybernetics.

Web development agency #180

50-100
Kharkiv/Ukraine
GMT+3

Industries

E-Commerce & Retail, Entertainment & Games, Booking & Rent

Web development with care

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