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Roman Rott's web projects' screenshots preview
Roman Rott's web projects' screenshots preview
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Notification Engine

By Groupon using Ruby Rails

Groupon logo
* Internal project. Screenshots can't be shown.

Groupon is an US e-commerce marketplace. I am working on their notification engine that handles reservation related notifications for Online Booking. It consists of a web server and a set of background workers to send messages and receive callbacks from the SMS/Calls service.

Role:
Back-end developer
Responsibilities:
Languages:
Ruby 2
Frameworks/Libs:
Ruby on Rails, Resque, Redis, Groupon-specific services/APIs
Status:
Internal project. Is online and work as a part of Groupon's products.

Callback system

By Enova using Ruby Rails JavaScript Jquery

Enova logo
* Internal project. Screenshots can't be shown.

Large enterprise project in financial sphere intended to optimize business processes of the loan company.

Role:
Team Lead.
Responsibilities:
Code reviews, estimating and allocating resources.
Decision-making and negotiating.
Writing new and refactoring legacy code.
Languages:
Ruby, JavaScript
Status:
Internal project. Is online and works as a part of Enova's products.

Dabble

By Dabble.co using Ruby Rails Jquery CoffeeScript

Dabble.co main page
Screenshot of Dabble.co main page Screenshot of Dabble.co host a class page Screenshot of Dabble.co class page

Dabble is an online community marketplace for people to discover, teach and host unique and affordable one-time classes. Was working mostly on UI parts of the app using JS and CoffeeScript.

I was working on migrating from old SSO to a new one, refactored and removed legacy code, optimizing and performance enhancement. Was implementing new features and products.

Role:
Front-end, Back-end developer
Responsibilities:
Languages:
Ruby, CoffeeScript
Frameworks/Libs:
Ruby on Rails, Trailblazer, Cells, Roar, ActiveAdmin, jQuery
Testing Frameworks:
Rspec
Status:
Online.

Chairlift(Better Feedback)

By Sphere Inc using Ruby Rails React JavaScript

Chairlift(Better Feedback) dashboard
Screenshot of Chairlift(Better Feedback) dashboard Screenshot of Chairlift(Better Feedback) company page Screenshot of Chairlift(Better Feedback) main page Screenshot of Chairlift(Better Feedback)

Chairlift is a modern, cloud based HR solution that elevates employee performance and provides HR professionals with the insight to nourish workplace culture. It is an internal Sphere project I worked as a part of remote team.

Role:
Front-end, Back-end developer
Responsibilities:
Implemented several UI parts/features of the application using React, Redux and ES6. Worked on back-end entities.
Languages:
Ruby 2, ES6
Frameworks/Libs:
Ruby on Rails 4.2, React+Redux
Testing Frameworks:
Rspec, Factory Girl
Other technologies:
JSON, postgreSQL
Status:
Online.

Chairlift Expenses

By Sphere Inc using Ruby Rails React JavaScript

Chairlift Expenses
* Work is in progres... Screenshots can't be shown.

Chairlift Expenses is an internal Sphere’s project for handling company's expenses. I was working on it starting from the initial proposing, planning and designing architecture and finishing implementing both front and back-ends of the project. Switched to another roject befor this one ended.

Role:
Team Lead
Responsibilities:
Code reviews, estimating and allocating resources, writing stories. Decision-making and negotiating, communicating with the project owner.
Writing code, making architectural decisions.
Languages:
Ruby 2, ES2016
Frameworks/Libs:
Ruby on Rails 5, React, Redux
Testing Frameworks:
Rspec
Status:
Work in progres...

Cloud Hosting control panel

By Ecommerce.com using Ruby Rails Sinatra Jquery CoffeeScript Backbone Marionette

Cloud hosting control panel web application
Screenshot of Cloud hosting control panel web application Screenshot of Dashboard of web application for Cloud hosting Screenshot of Adding new servers to cloud hosting web applications Screenshot of Cloud hosting panel with list of web-servers Screenshot of Biiling page integrated into cloud hosting web application Screenshot of control Cloud hosting iso images Screenshot of Cloud hosting control panel. Events list Screenshot of List of ips for web developers Screenshot of Launch server pop-up

Cloud by IX is a Cloud Hosting service created for system and database administrators, web developers, resellers, hosting professionals and business infrastructure. An entire business can literally be operated within a single Cloud by IX product. Service is integrated into IXWebhosting.com and CloudByIX.com hosting brands.

Current project is a Single Page JavaScript Application that integrates CloudStacks into current manage panel of Ecommerce.com's brands. Application has Ruby on Rails and Sinatra on back-end and backbone.js on front-end

Role:
Full-Stack developer. Member of a team of front end developers, BAs, PMs, admins, etc. This product was developed and released using Agile methodology.
Responsibilities:
As a part of the team: Creating UI that integrates current control panel with CloudStack. Design of some UI components. Adapting SOAP API interface to JSON and vise verse. Supporting released features, updating functionality as it was required by MVP and Agile methodologies. Security researcher
Languages:
Ruby 1.9.7 and 2.1.3, CoffeeScript
Frameworks/Libs:
Ruby on Rails 4.0, Sinatra, Backbone.js 1.1, Marionette.js, jQuery
Testing Frameworks:
Rspec 3.2, Capybara, Jasmine, VCR, site_prism.vcr
Other technologies:
Capistrano, SASS, ROM, Guard, Node, Faye
Status:
Online and available inside of control panels of 2 Cloud Hosting products: CloudByIX and IXwebhosting.

MyBestDate.xyz - dating website for a CTF game

By Roman Rott using Ruby Rails CoffeeScript DigitalOcean

website for CTF hacking game. Payment page
Screenshot of website for CTF hacking game. Payment page Screenshot of Main page of website created for CTF security game Screenshot of List of users to hack generated for the researchers Screenshot of User page that has bugs needed for a white hat hacker Screenshot of Chat with bugs needed for a security researcher Screenshot of Add profile page, ethical hacking

«MyBestDate» is a fake Dating website created for a CTF(Capture The Flag security game) organised for UISGCon 11(2015) - Ukrainian InfoSec conference held by Non-Government Organisation «Ukrainian Information Security Group»

This Dating website had no real users or profiles and was created with several pre-defined vulnerabilities that allowed researchers to get flags and proceed with the next part of the hacking game. It has integrated chat and rating systems to allows gamers to use their skills on a system close to real ones.

Role:
Full-Stack developer, second Game-Master
Responsibilities:
Creating back-end, front-end; integrating free design, admin page; protecting application from all possible security issues, except pre-defined ones; configuring and optimising web, SQL servers; monitoring services and applications during the games.
Languages:
Ruby 2.2, Javascript
Frameworks/Libs:
Ruby on Rails 4.2, Jquery, Bootstrap
Other technologies:
SASS, Haml, PostgreSQL, Faker, CarrierWave, Devise, Administrate
Status:
«MyBestDate» is offline now due to the nature of applications created for CTF hacking games.

Ordering wizard for Cloud product on CloudByIx.com and IxWebhosting.com

By Ecommerce.com using Ruby Sinatra JQuery Rails Backbone Marionette CoffeeScript

First step of Ordering Wizard - a single page web application
Screenshot of First step of Ordering Wizard - a single page web application Screenshot of Second step of Ordering Wizard - a single page web application Screenshot of Last step of Ordering Wizard - a single page web application

IXwebhosting.com and CloudByIX.com are hosting services that provide cloud hosting product for their customers. This project is an integrated Single Page Application that allows to pre-configure and bye cloud product without using external payment services.

Role:
Full-Stack developer. Member of a team of front and back-end developers, BAs, PMs, admins, etc. This product was developed and released using Agile methodology.
Responsibilities:
As a part of the team: creating UI that integrates SOAP API interface with control panel and CloudStack that uses JSON. Supporting released features, updating functionality as it was required by MVP and Agile methodologies.
Languages:
Ruby 2.1.3, CoffeeScript
Frameworks/Libs:
Sinatra, Backbone.js, jQuery, Ruby on Rails 4.0
Testing Frameworks:
Rspec 3.2, Capybara, Jasmine, VCR, site_prism.vcr
Other technologies:
Capistrano, SASS, ROM
Status:
Online and available inside of control panels of 2 Cloud Hosting products: CloudByIX and IXwebhosting. Web application security testing.

Landing pages for IxWebhosting.com and HostExcellence.com

By Ecommerce.com using Ruby Rails Jquery CoffeeScript

Hacker Shiield landing page about web application security
Screenshot of Hacker Shiield landing page about web application security Screenshot of Landing page of Site Builder - service for web developers Screenshot of Ruby on rails website with popup Screenshot of ruby rails website with 'thank you' popup Screenshot of Landing page of Domain Club - proposition for full stack developers Screenshot of Thank you landing page of the hosting company

IXwebhosting.com and HostExcellence.com are hosting brands that have a lot of products including shared, cloud and VPS hostings, domain and SSL registrations, Site Builders and Design services, etc.

This project contains pop-ups and bunch of landing pages for current and pre-sales products that give the company an opportunity to sale a product using one-click purchase tool or Opt-In for a new project that is not yet released.

Role:
Front-end developer
Responsibilities:
Integrating design with current API and Hosting Control panel, adding code needed for One-Click purchase tool.
Languages:
Ruby 2.1.3, CoffeeScript
Frameworks/Libs:
Ruby on Rails 4.0, jQuery
Testing Frameworks:
Rspec 3.2, Capybara, Jasmine
Other technologies:
SASS, Faye, JSON
Status:
Online, used in 2 hosting brands: IXwebhosting and HostExcellence.