Biser Perchinkov
Senior Backend Engineer at Perspective
Sofia, Sofia-City, Bulgaria
Summary
🤩
Rockstar🎓
Top SchoolBiser Perchinkov is a seasoned Senior Backend Engineer based in Sofia with 14+ years of professional experience and a self-taught coding background spanning PHP, MySQL and Node.js. He has driven backend and full‑stack work at Automattic—contributing to high-profile projects like Jetpack and wp-calypso where he improved imports, sync and contact form robustness—and recently held senior roles at Reward Gateway and Perspective. Known for turning complex problems into simple, maintainable solutions, he blends pragmatic engineering with a knack for client communication and hands‑on tinkering. A prolific contributor on open-source code paths, he often focuses on edge cases and refactors that improve data formats and reliability. Outside of work he’s a dad who wears many hats, which shows in his versatility across frontend and backend stacks.
14 years of coding experience
15 years of employment as a software developer
Networking Technologies in English, Networking Technologies in English at New Bulgarian University
Bulgarian, English
Stackoverflow
3,998reputation
348kreached
71answers
4questions
php
top-1%
encoding
top-5%
Github Skills (22)
javascript10
plugin-development10
wordpress10
user-interface10
redux10
php10
nodejs10
react10
api-design9
utf9
s69
encoding9
api9
phpunit7
macos6
Programming languages (7)
Github contributions (5)
Automattic/wp-calypso
May 2016 - Aug 2021
The JavaScript and API powered WordPress.com
Role in this project:
Full-stack Developer
Full-stack DeveloperContributions:118 commits, 247 PRs, 480 pushes in 5 years 3 months
Contributions summary:Biser primarily contributed to the `wp-calypso` repository, focusing on the site migration and import features of the WordPress.com platform. They implemented changes to the site importer, including refactoring API calls, adding support for error handling, and improving the user interface. Additionally, they worked on localizing components and fixing typos in the signup and login forms, improving the overall user experience. These contributions span both front-end and back-end components, making them a full-stack developer.
apireactwordpressjavascriptes6
Automattic/jetpack
Dec 2015 - 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:Back-end Developer
Back-end DeveloperContributions:123 reviews, 89 commits, 73 PRs in 7 years 2 months
Contributions summary:Biser primarily focused on improving the contact form functionality within the Jetpack plugin. They addressed issues with PHP code related to the contact form, by validating and handling extra fields in the `get_compiled_form()` method. They also made code style improvements, removing deprecated extract() usage from the image widget and refactoring data fetching methods, like in the display posts widget. Further, they reworked data formats, refactoring how data is fetched and formatted.
reactexpertswordpressphpsecurity
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