Alex Gyoshev - Staff Fullstack Engineer at Hyperscience

Alex Gyoshev

Staff Fullstack Engineer at Hyperscience

Spain

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Summary

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Rockstar

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Alex Gyoshev is a Staff Fullstack Engineer with 15 years of experience building customer-facing web platforms and developer tooling from Spain. He blends front-end craftsmanship—demonstrated by long-term contributions to well-known projects like Kendo UI and JSBin—with back-end and growth-focused systems (Node.js, Puppeteer, Prisma) to drive lead generation and product demos. Alex has led large migrations (jQuery/Backbone → Vue + TypeScript), designed front-end microservices to enable continuous delivery, and owned SDKs and complex release flows. Comfortable coaching teams and shipping pragmatic solutions, he pairs hands-on coding with mentorship and process improvements. An under-the-radar strength is his history of reducing memory leaks and improving legacy component architecture, which keeps long-lived web apps performant and maintainable.

15 years of coding experience

16 years of employment as a software developer

Nov Bulgarski Universitet

Sofia University St. Kliment Ohridski

Sofia High School of Mathematics

English, German, Bulgarian

Stackoverflow

Stats

11,969reputation

1.5mreached

213answers

6questions

Badges

colors

top-5%

kendo-ui

top-5%

jquery

top-1%

css-float

top-5%

javascript

top-5%

html

top-5%

Github Skills (22)

javascript10

jquery10

css10

front-end-development10

kendo-ui10

html10

colors9

testing9

qunit9

css-float9

jquery-selectors9

gruntjs7

internet-explorer6

frontend6

Programming languages (8)

TypeScriptC#MDXCSSRustJavaScriptHTMLRuby

Github contributions (5)

telerik/kendo-ui-core

Aug 2011 - May 2017

An HTML5, jQuery-based widget library for building modern web apps.

Role in this project:

Front-end Developer

Contributions:4506 commits, 6 PRs, 309 pushes in 5 years 10 months

Contributions summary:Alex primarily contributed to the front-end aspects of the Kendo UI Core library, making changes to the test helpers, window component, and various test files. Their work involved adding features like Grunt tasks for testing and implementing fixes for legacy browsers and memory leaks within the JavaScript code. The contributions also encompass improvements in code structure by removing closures and managing DOM node references, along with refactoring to improve functionality and reduce memory consumption within the component.

jquerywidgetskendo-uitelerikjavascript

jsbin/jsbin

Nov 2012 - Oct 2014

Collaborative JavaScript Debugging App

Role in this project:

Front-end Developer

Contributions:9 commits in 1 year 10 months

Contributions summary:Alex's primary focus within this repository revolves around updating and managing JavaScript libraries used within the JSBin application's editor. They consistently modify the `libraries.js` file, adding, removing, and updating references to various Kendo UI versions. These changes involve adjusting the jQuery version used by specific Kendo UI releases, and migrating to cloudfront URLs. These changes ensure the correct versions of the UI framework are available, and improve the application's compatibility and functionality.

debuggingjavascript

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