Andriy – Express.js, JavaScript, React, experts in Lemon.io

Andriy

From Ukraine (UTC+3)flag

Ruby on Rails Developer

Andriy – Express.js, JavaScript, React

Andriy has over 5 years of experience, writes clean and understandable code that lasts, can deploy the application during development on Heroku and Amazon.

He is proficient in OOP, Ruby, MVC, RESTfull application and familiar with test frameworks including RSpec and Cucumber.

11 years of commercial experience in
Automotive
Computer science
Data analytics
Event management
Insurance
Sales
CRM
DBMS
Dev tools
Enterprise software
Platforms
Web3
Main technologies
Express.js
1 year
JavaScript
1 year
React
1 year
Ruby on Rails
1 year
Additional skills
Angular.js
PostgreSQL
Bootstrap
SCSS
Amazon RDS
Cucumber
SQLite
AJAX
MySQL
jQuery
Heroku
Backbone.js
RSpec
Jasmine
REST API
MVC
OOP
Direct hire
Not possible
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Experience Highlights

Ruby on Rails developer - composing web crawlers - creating small ruby scripts by using Xpath, Nokogiri and Regular expressions
Apr 2020 - Jan 20219 months
Project Overview

Web scraping that gathers info from sites by using Xpath and Regular expressions.

Responsibilities:
Project Tech stack:
Ruby
XPath
Regular expressions
Nokogiri
Ruby on Rails developer - selecting data from DB and writing custom SQL queries - composing ruby scripts to fill in text templates and produce the output in HTML
May 2019 - Sep 20194 months
Project Overview
Responsibilities:
Project Tech stack:
Ruby
MySQL
Regular expressions
Ruby on Rails developer - creating methods in models and controllers to give new functionality for business - improving SQL performance for number of queries to ensure higher server productivity - writing Rspec tests
Oct 2018 - Feb 20194 months
Project Overview
Responsibilities:
Project Tech stack:
Ruby on Rails
PostgreSQL
RSpec
Ruby on Rails & React developer - designing app architecture and composing models, controllers, database tables and their relations - writing application from scratch - solving business problems by writing internet store and all its functionality - changing models' methods or extending functionality of existed ones to keep up with business requirements changes - writing Rspec tests
Dec 2017 - Jun 20186 months
Project Overview

Internet store for car selling with CRM for admin and possibility to observe car stock.

Responsibilities:
Project Tech stack:
Ruby on Rails
PostgreSQL
JavaScript
AJAX
SCSS
React
RSpec
Ruby on Rails developer - creating custom SQL queries for PostgreSQL and MySQL - creating Backbone templates and using Ajax to change the page partials - testing with using Rspec for backend and Jasmine for frontend - using ActiveAdmin, adding new modules, filters, scopes and helpers - creating new and changing existed templates, views, and models - temporarily storing data in frontend models - managing requests to the server and notifications to the user
Jul 2017 - Nov 20174 months
Project Overview

A platform to buy tickets, sign up for events, and join guest lists.

Responsibilities:
Project Tech stack:
Ruby on Rails
PostgreSQL
JavaScript
AJAX
SCSS
Backbone.js
RSpec
Ruby on Rails developer - writing migrations which corrected or added new data into database - repairing broken JavaScript or SCSS, adding new SCSS and JavaScript - applying new responsive design for the site - adding method into model which took certain records from DB to convert collection of objects into CSV or XSLS format - repairing broken Ajax requests
Mar 2016 - Oct 20167 months
Project Overview

A site for SAINT-GOBAIN distributor.

Responsibilities:
Project Tech stack:
AJAX
PostgreSQL
jQuery
Ruby on Rails
Bootstrap
Ruby on Rails developer - correcting logic - applying migrations which correct inconsistent data in DB
Jul 2015 - Dec 20155 months
Project Overview

A web based software tool that enables licensors, agents, and licensees to manage license agreements, rights, products, invoices, and royalties with ease. Application had approximately 150 models, with each having more than 1000 strings of code. Also there were more than 150 controllers, with each containing more than 1000 strings of code.

Responsibilities:
Project Tech stack:
PostgreSQL
Ruby on Rails
Active Record
Web scraping, gather info from some sites, by using Xpath and Regular expressions.
Period not defined
Project Overview

Web scraping, gather info from some sites, by using Xpath and Regular expressions.

Responsibilities:
Project Tech stack:
Ruby
XPath
Regular expressions
Nokogiri.
I selected data from DB, wrote custom SQL queries. Then composed ruby script which filled in text template and produce the output in HTML.
Period not defined
Project Overview

I selected data from DB, wrote custom SQL queries. Then composed ruby script which filled in text template and produce the output in HTML.

Responsibilities:
Project Tech stack:
Ruby
MySQL
Regular expressions.
Created methods in models and controllers, which gave new functionality for business. Improved SQL performance for number of queries, which led to higher server productivity. Wrote Rspec tests.
Period not defined
Project Overview

Solves insurance problems while any accident happens. Give some questions to users, which will help lawyer collect main user's info and prepare suitcase for court.

Responsibilities:
Project Tech stack:
Ruby on Rails
PostgreSQL
RSpec
Designed app architecture, composed models, controllers, database tables and their relations. Wrote application from scratch. Solved business problems by writing internet store and all its functionality. When business requirements changed, then I changed models' methods or extended functionality of existed ones. Wrote Rspec tests.
Period not defined
Project Overview

Internet store for car selling with CRM for admin, possibility to observe car stock.

Responsibilities:
Project Tech stack:
Ruby on Rails
PostgreSQL
JavaScript
AJAX
SCSS
React
RSpec

Education

2009
Computer Information Technology
Specialist
2009
Computer Information Technology
Specialist

Languages

English
Advanced

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