Ivan Sh. — Senior Ruby / Ruby on Rails Developer

Expertise in Full Stack Web (5.0 yr.), Back-End Web (5.0 yr.).

Last verified on July, 2024

Core Skills

Ruby

Ruby on Rails

Git

SQL

Heroku

Bio Summary

Accomplished Ruby/Ruby on Rails developer with over 5 years of experience and a strong background in computer science from Ivan Franko National University, class of 2013. Noteworthy expertise in complex system integration, big data processing, and SDLC for energy management, payroll, benefits administration, recycling, and food nutrients management applications. Proficient in a diverse technology stack including Ruby, Rails, Git, SQL, Heroku, Webix JS, AWS, and Capistrano. Demonstrated success in working with both start-ups and established enterprises in Ukraine and the USA, contributing to significant projects that are widely used by public organizations and private businesses, especially in the recycling and HCM domains.

Technical Skills

Programming Languages	Ruby
Ruby Libraries and Tools	Capistrano
JavaScript Frameworks	Ember.js, React
Python Frameworks	Flask
Ruby Frameworks	Ruby on Rails
Databases & Management Systems / ORM	SQL
Cloud Platforms, Services & Computing	Heroku
Amazon Web Services	AWS S3
Industry Domain Experience	retail
Web/App Servers, Middleware	Apache HTTP Server
SDK / API and Integrations	API
Version Control	Git, Github Actions
BlockChain and Decentralized Software	Wallets (Integration & Transaction Signing)
Other Technical Skills	GrapesJS

Work Experience

Ruby on Rails developer, Energy and asset management - Ukraine

Duration: 10 months
Summary: Development of an energy and asset management system widely used by public organizations and private businesses in Ukraine for integrated analysis of temperature, building energy passportization, and integration with a variety of devices and systems.
Responsibilities: Development and integration tasks, deployment to AWS S3 and DO servers, integration with Flask server for big data processing through python scripts.
Technologies: Ruby, Webix JS, AWS S3, Capistrano, Flask

Ruby on Rails developer, Payroll and Benefits administration system - USA

Duration: 2 years
Summary: Contribution to the development and support of a payroll and benefits administration system cloud HR solution unifying HCM for payroll, benefits, and talent management in the USA.
Responsibilities: Support and development for assistance in applications on Association Health Plans, insurance, payroll, and benefits administration. Ensured HIPPAA compliance.
Technologies: Ruby/Rails, EmberJS, FTP servers, AWS S3, Wire, ACH bank transactions

Ruby on Rails developer, World leader in recycling - USA/EU

Duration: 3 years
Summary: Played a pivotal role in the development of a recycling system site with localization in over 15 countries, focused on e-commerce and informational/marketing, aiding in the recycling and upcycling of various wastes.
Responsibilities: Support and development of existing components, integration with top shipping companies (UPS, USPS, FedEx, etc.), and e-commerce framework maintenance.
Technologies: Ruby/Rails, React, Spree e-commerce, Heroku, GitHub actions

Ruby on Rails developer, Home menu and food nutrients management

Duration: 1 year
Summary: Part-time assistance in developing a home menu and food nutrients management site, enabling users to plan family menus considering individual activity, health issues, and nutrient requirements.
Responsibilities: Development tasks including payment system integration.
Technologies: Ruby/Rails, React

Education

Ivan Franko National University of Lviv

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