Anatolii Varanytsia, Developer in Khmelnytskyi, Khmel'nyts'ka oblast, Ukraine
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Anatolii Varanytsia

Verified Expert  in Engineering

Full-stack Developer

Location
Khmelnytskyi, Khmel'nyts'ka oblast, Ukraine
Toptal Member Since
November 5, 2021

Anatolii has twelve years of experience in web development. He has created Prepler from scratch, building a product that helps students. He is a self-driven person who enjoys learning new things and a team player who helps other team members improve their skills. He can easily understand someone else's code, see the issues, and always find solutions. He likes to help companies to create unique products that help millions of people. Anatolii specializes in Ruby on Rails and React frameworks.

Portfolio

ReserveBar Holdings Corp
Ruby on Rails (RoR), Ruby, Redis, MongoDB, MySQL, CSS, HTML, JavaScript, Docker...
Prepler
Ruby on Rails 5, Ruby on Rails (RoR), Ruby, JavaScript, React, React Native...
Soft Bistro
Ruby, Ruby on Rails 3, Ruby on Rails 4, JavaScript, Haml, CoffeeScript...

Experience

Availability

Full-time

Preferred Environment

MacOS, IntelliJ IDEA, Sublime Text, Chrome, iTerm2, Slack, Calendars, Zeplin, Docker, Docker Compose

The most amazing...

...algorithm I've created for Prepler preloads all university courses and prerequisites and calculates the shortest pathway to a degree toward graduation.

Work Experience

Principal Engineer

2021 - 2023
ReserveBar Holdings Corp
  • Managed and maintained a successful development team. Reviewed all pull requests using Ruby and JavaScript and helped developers improve their skills.
  • Created a middleware project called BarOS from scratch using Ruby, covering the creation of its structure, services, and core algorithms.
  • Connected multiple resources to BarOS, including Salsify, Salesforce Commerce Cloud (SFCC), Shopify, Minibar Delivery, and Kafka.
  • Migrated all project resources from AWS to Google Cloud and developed new deployment scripts.
Technologies: Ruby on Rails (RoR), Ruby, Redis, MongoDB, MySQL, CSS, HTML, JavaScript, Docker, GitHub, Git, Regex, Agile, Amazon Web Services (AWS), APIs, Haml, PostgreSQL, Sass, Jira, jQuery, Docker Compose, Node.js, Datadog, Salesforce Commerce Cloud, Salsify, Shopify, Google Cloud, REST API Clients, API Integration, Slackbot, Slack API

Lead Developer | Architect

2017 - 2021
Prepler
  • Led a proficient development team, overseeing all Ruby back-end and React front-end pull requests and helping team members improve their skills.
  • Created the overall structure, including services using Ruby, main algorithms in Ruby and React, and deployment processes using Jenkins and AWS.
  • Built a fantastic server-side render structure based on the React application to improve SEO.
  • I created excellent tools for Ruby on Rails to cache requests using GraphQL with different policies, such as no-cache, Redis cache, CloudFront cache, and browser cache, and the ability to invalidate the cache.
  • Developed a React Native application using extracted library common code from the web.
Technologies: Ruby on Rails 5, Ruby on Rails (RoR), Ruby, JavaScript, React, React Native, GraphQL, Redux, Amazon Elastic Container Service (Amazon ECS), Amazon RDS, Amazon EC2, Amazon Route 53, Amazon Simple Email Service (SES), Amazon ElastiCache, Amazon Elastic Container Registry (ECR), Amazon S3 (AWS S3), React-JSS, PostgreSQL, Docker, Docker Compose, Jenkins, Zeplin, Regex, GitHub, Git, CSS, HTML, Firebase, Agile, APIs, Management, Node.js, Neo4j, Amazon Web Services (AWS), Test-driven Development (TDD), REST API Clients, API Integration

Senior Ruby on Rails and PHP Developer | Team Lead | CTO

2013 - 2017
Soft Bistro
  • Managed and maintained a good development team. Reviewed all pull requests using Ruby, PHP, and JavaScript and helped developers improve their skills.
  • Created Loomlogic app from scratch using Ruby. It helps real estate professionals manage all of their leads in one place. It's fully integrated with the top real estate tools like MLS, Top Producer, Propertybase, Zillow, Trulia, and Realtor.com.
  • Collaborated with Chegg developers and improved their authorization, header, book page, and other components written in PHP and JavaScript.
  • Helped Rafter developers improve their notifier by collecting all errors and dev, such as the deploy system and stagings, auth, discover, and adopt applications written in Ruby on Rails.
Technologies: Ruby, Ruby on Rails 3, Ruby on Rails 4, JavaScript, Haml, CoffeeScript, PostgreSQL, MySQL, Redis, Sass, Backbone.js, jQuery, jQuery UI, Pivotal Tracker, Jira, Git, GitHub, TeamCity, Jenkins, Regex, CSS, HTML, Agile, APIs, Management, Amazon Web Services (AWS), Test-driven Development (TDD), API Integration, REST API Clients

Intermediate PHP Developer

2011 - 2013
Freelance
  • Developed 40 small projects from blogs to shops using our framework.
  • Created and improved our framework for clients needs.
  • Built multiple modules such as blog, gallery, and cart for our framework.
Technologies: PHP, HTML, JavaScript, CSS, jQuery, jQuery UI, Regex

Prepler

https://www.prepler.com/
A better approach to college preparation and degree completion. Free personalized degree plans that help students graduate sooner, with less student debt. It helps students find universities and create calculated plans.
Ruby on Rails gives the ability to grow fast and create amazing algorithms.

Chegg

Chegg is an American edtech company based in Santa Clara, California. It provides digital and physical textbook rentals, textbook solutions, online tutoring, and other student services.

Loomlogic

https://loomlogic.com/
An amazing product created using Ruby on Rails framework.
We simplify real estate transactions by connecting agents, lenders, and TCs via one easy-to-use interface.

Forget multiple platforms that slow you down. We think people, data, and transactions should be connected by a straightforward tool that automates your entire business, from leads to closing.

Languages

PHP, JavaScript, HTML, Ruby, GraphQL, Haml, CoffeeScript, Sass, Regex, CSS, Pascal, Flash ActionScript

Frameworks

Chrome, Ruby on Rails (RoR), Ruby on Rails 5, React Native, Redux, Ruby on Rails 3, Ruby on Rails 4

Libraries/APIs

React, React-JSS, Backbone.js, jQuery, jQuery UI, Node.js, Slack API

Tools

IntelliJ IDEA, Sublime Text, Slack, Pivotal Tracker, Jira, Git, GitHub, Docker Compose, Amazon Elastic Container Service (Amazon ECS), Amazon Simple Email Service (SES), Amazon ElastiCache, Jenkins, TeamCity, Google Cloud Console, Amazon Elastic Container Registry (ECR), Zeplin, Vagrant, Salesforce Commerce Cloud (SFCC)

Paradigms

Test-driven Development (TDD), Agile, Management

Platforms

Docker, Amazon Web Services (AWS), Salsify, Amazon EC2, Firebase, Google Cloud Engine, Apache Kafka, MacOS, DigitalOcean, Shopify

Storage

PostgreSQL, MySQL, Redis, Neo4j, Amazon S3 (AWS S3), Google Cloud, Google Cloud SQL, Google Cloud Storage, Datadog, MongoDB, Salesforce Commerce Cloud

Other

OOP Designs, Patterns, iTerm2, APIs, Google Cloud Build, REST API Clients, API Integration, Amazon RDS, Slackbot, Amazon Route 53, Calendars

2008 - 2013

Master's Degree in Computer Science

Khmelnytskyi National University - Khmelnytskyi, Ukraine

SEPTEMBER 2013 - PRESENT

CS-169.2x Software as a Service

edX

AUGUST 2013 - PRESENT

CS-169.1x Software as a Service

edX

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