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Roman Rott's web projects' screenshots preview
Roman Rott's web projects' screenshots preview
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Applications I've been woking on for Capture The Flag hacking game are offline now due to the nature of applications created for such events. Here is the list of the projects that are still online and available around the globe.

Dynamic Application Red Team Simulation

DARTS login page
* Internal project. Under the NDA

Berezha is an Application Security and Penetration Testing Company. DARTS is the platform that simplifies penetration tests, automates report generation, and integrates external data sources.

Role:
Full-stack developer
Responsibilities:
Implemented the whole architecture, starting from the application design in the AWS cloud stack, configuring CI/CD, creating API services and UI applications, finishing implementing own web-design and writing the documentations.
Languages:
Ruby, JavaScript
Frameworks/Libs:
React, Redux
Other technologies:
AWS, S3, IAM
Status:
Internal project. Is online and works as a part of BSG's workflow.

Website for «OWASP Ukraine 2019» cybersecurity conference

The 5th annual OWASP Ukraine 2019 - the biggest Ukrainian Application Security conference held under the aegis of OWASP Lviv, Kyiv, Dnipro and Kharkiv chapters.

Role:
Full-Stack developer.
Responsibilities:
I was working on the website: Design, content, images, structure
Configuring middleman, capistrano and CI/CD on GitLab to deploy static site on demand
SEO-optimization, performance optimization, configuring web server.
Languages:
Ruby 2.5, JavaScript
Frameworks/Libs:
MiddleMan - static site generator.
Other technologies:
HTML5, Haml
Status:
Online

Notification Engine

Groupon logo
* Internal project. Under the NDA

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 Groupon's project. Under the NDA

Cater2.me Applications and infrastructure

Cater2.me main page
* Internal projects. Under the NDA

Cater2.me provides customizable catering solutions for offices. They allow companies to order food from local vendors, letting their employees customize and set the meal schedule. Team admins can segment the team into different groups and track order details.

Project includes Admin app and API, 2 versions of Client Apps, Group Ordering App, Vendor App, Operators Interface, Finance App and several internal gems and js/node libs.

Role:
Full-stack developer
Responsibilities:
Maintained the website, several internal applications, applications for clients, vendors and operators, maintained admin console.
Prepared and held internal penetration test(both, black-box and white-box).
Languages:
Ruby, CoffeeScript, JavaScript, TypeScript
Frameworks/Libs:
React, Redux, Svelte, Rails
Other technologies:
Heroku, Node
Status:
Internal projects. Are online and work as a part of Cater2.me's infrastructure.

Callback system

Enova logo
* Internal project. Under the NDA

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

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)

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

Chairlift Expenses
* Work is in progress... Under the NDA.

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 progress...

IraRott.com - online store of knit and crochet patterns

Ira Rott is a Knit & Crochet Designer living in Southern Ontario, Canada. This website is her online shopping cart for selling digital material (pdf files with patterns).

This is the second version with a lot of design changes and updates in the admin panel, new built-in SEO tools. It was refactored and optimised in order to run in the dockerised environment

There are hundreds paid and dozens free pdf patterns on the site, that can be downloaded and used by masters around the world. Additionally, it has Ira's portfolio and integration with Etsy system.

Website is a kind of CMS that has almost everything customizable using admin page, beginning with adding new patterns, portfolios, creating standalone pages, categories etc and ending with changing all SEO-related parameters of this website.

Role:
Full-Stack developer. Remote developer
Responsibilities:
Creating back-end and front-end, admin page, application design
web-design, SEO-optimisation
site migration, support current features and monitoring website's state.
Languages:
Ruby 2.4, JavaScript
Frameworks/Libs:
Padrino, Jquery
Other technologies:
Docker, SASS, Haml, ActiveRecord, Carrierwave, Poltergeist, Selenium, JSON, Sprockets, Nginx, PostgreSQL
Status:
Online

rrott.com - current website-portfolio

My own website with blog and portfolio. The Website includes basic information about myself, my projects, my contact information and blog post related to web-development and security researches.

Role:
Full-Stack developer. Security enthusiast
Responsibilities:
Creating back-end, front-end, design, SEO-optimization, performance optimization, configuring web server.
Languages:
Ruby 2.2, CoffeeScript
Frameworks/Libs:
MiddleMan - static site generator.
Other technologies:
HTML5, Haml, Pure, HTTP/2, WebP
Status:
Online
Website: rrott.com
Portfolio: /portfolio
Blog: /blog