Dmitry Vorotilin - Senior Software Engineer at Sincera

Dmitry Vorotilin

Senior Software Engineer at Sincera

Oregon, United States

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Summary

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Rockstar

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Top School

Dmitry Vorotilin is a Senior Software Engineer with 14 years of experience building robust web systems and leading teams across startups and product companies, currently based in Oregon. He excels in Ruby/Rails and Go back-ends, with strong operational chops in MySQL/Postgres, Redis, message queues (RabbitMQ/Kafka) and cloud-native tooling (AWS, Kubernetes, Terraform, Ansible). Dmitry has a proven track record of improving reliability and performance—evident from his open-source work adding concurrency support to ferrum and strengthening test suites for widely used Ruby projects. He blends full-stack engineering with infrastructure-led thinking, having moved from system administration into development and technical leadership roles. Colleagues know him for pragmatic refactors that reduce technical debt and for shipping hard-to-test browser automation and integration features. Trained to a master’s level, he pairs deep Ruby ecosystem expertise with practical Go and devops experience to deliver maintainable systems at scale.

14 years of coding experience

16 years of employment as a software developer

Master's degree, Master's degree at Voronezh State Technical University

English, Russian

Github Skills (24)

unit-testing10

ruby-rails10

concurrent-programming10

javascript10

web-application10

testing10

test-framework10

rails10

capybara10

browser-automation10

ruby10

webapp10

webtest10

phantomjs10

test-automation10

Programming languages (12)

TypeScriptC++ShellCScalaVueJavaScriptGo

Github contributions (5)

rails/pjax_rails

Jun 2013 - Apr 2021

PJAX integration for Rails

Role in this project:

Full-stack Developer

Contributions:32 commits, 16 PRs, 26 pushes in 7 years 11 months

Contributions summary:Dmitry primarily contributed to integrating PJAX (Pushstate Ajax) functionality within the Rails framework. They modified core files to handle PJAX requests, updated JavaScript files to use the PJAX library, and added integration tests to ensure the feature worked correctly. They also set up testing infrastructure and configured test environments for different Rails versions. Furthermore, the user added integration tests to ensure the feature worked correctly.

railsrubypjax

rubycdp/ferrum

Aug 2019 - Nov 2022

Headless Chrome Ruby API

Role in this project:

Back-end Developer

Contributions:5 releases, 55 reviews, 376 commits in 3 years 4 months

Contributions summary:Dmitry implemented concurrency with the concurrent-ruby gem, demonstrating a focus on improving performance and handling asynchronous operations. They modified the `ferrum/page.rb` and `ferrum/page/frame.rb` files to incorporate the concurrent-ruby gem, likely to make some processes like network events more efficient. They also stringified the URL to support additional operations and fixed the get_document_id command. This indicates a focus on efficiency and a deep understanding of how the underlying mechanisms work.

chrome-extensionapirubydeveloper-toolschrome

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