Anatolii Varanytsia
Verified Expert in Engineering
Full-stack Developer
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
Experience
- CSS - 12 years
- JavaScript - 12 years
- HTML - 12 years
- Ruby on Rails (RoR) - 10 years
- Docker - 6 years
- GraphQL - 6 years
- React - 6 years
- React Native - 5 years
Availability
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
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.
Lead Developer | Architect
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.
Senior Ruby on Rails and PHP Developer | Team Lead | CTO
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.
Intermediate PHP Developer
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.
Experience
Prepler
Ruby on Rails gives the ability to grow fast and create amazing algorithms.
Chegg
Loomlogic
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.
Education
Master's Degree in Computer Science
Khmelnytskyi National University - Khmelnytskyi, Ukraine
Certifications
CS-169.2x Software as a Service
edX
CS-169.1x Software as a Service
edX
Skills
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 (ECS), Amazon Simple Email Service (SES), Amazon ElastiCache, Jenkins, TeamCity, Google Cloud Console, Amazon Elastic Container Registry (ECR), Zeplin, Vagrant, Salesforce Commerce Cloud (SFCC)
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
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
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