Sergey Mitroshin
Senior Software Engineer at Automattic
Fort Mill, South Carolina, United States
Summary
🤩
Rockstar🎓
Top SchoolSergey Mitroshin is a Senior Software Engineer with 11+ years building full-stack web systems across eCommerce, CRM, real estate, education, and booking platforms. He combines deep backend expertise in PHP (Zend Certified), MySQL/MongoDB performance tuning, and REST/API integrations with modern frontend work in TypeScript, Vue and Angular, enabling end-to-end delivery from database to UX. Sergey has led high-throughput systems—SSO, search (Solr), and reservation engines—and has a track record automating business operations as a consultant and at Automattic. He is an active open-source contributor to prominent WordPress projects like Jetpack and Calypso, making both backend fixes and UX integration improvements that reflect true full-stack fluency. Based in Fort Mill, SC, he pairs pragmatic engineering with a knack for optimizing legacy stacks into scalable products.
11 years of coding experience
13 years of employment as a software developer
Some Classes, Some Classes at College of DuPageUndergraduate Degree, Software Engineering, Undergraduate Degree, Software Engineering at Potashev Technical College
English, Russian
Stackoverflow
113reputation
1kreached
7answers
1question
Github Skills (22)
unit-testing10
javascript10
jetpack10
wordpress10
ui-design10
redux10
uid10
php10
front-end-development10
wordpress-plugin10
react10
phpunit9
s69
css8
nodejs8
Programming languages (4)
Github contributions (5)
Automattic/jetpack
Mar 2020 - Jan 2023
Security, performance, marketing, and design tools — Jetpack is made by WordPress experts to make WP sites safer and faster, and help you grow your traffic.
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:566 reviews, 250 commits, 524 PRs in 2 years 10 months
Contributions summary:Sergey contributed to various aspects of the `automattic/jetpack` repository, a WordPress plugin. They addressed backend issues by implementing static binding fixes for a core class, and made code adjustments for unit tests. They also worked on front-end components, including styling adjustments for the dashboard's scan card and implementing connection error notices with a reconnect button. These contributions span both front-end and back-end concerns, showcasing full-stack capabilities.
reactexpertswordpressphpsecurity
Automattic/wp-calypso
May 2020 - Jan 2023
The JavaScript and API powered WordPress.com
Role in this project:Front-end Developer
Front-end DeveloperContributions:10 reviews, 24 commits, 50 PRs in 2 years 8 months
Contributions summary:Sergey primarily contributed to the front-end components within the WordPress.com Calypso project, focusing on the Jetpack integration and user experience. Their work included modifying the UI to accommodate user connection flows for Jetpack, such as redirecting to connection flows, skipping user connections under certain circumstances and tracking user interactions. They also implemented and refactored components, as well as addressed the integration of user-related components like login and signup forms.
apireactwordpressjavascriptes6
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