Ivailo Hristov is a hands-on engineering leader and repeat founder with 11 years of experience building web applications and performance-oriented products from Bulgaria. As Co-Founder and CTO at NitroPack and now Uxify, he blends deep PHP and JavaScript expertise with systems thinking to ship measurable improvements in web performance and developer tools. His background in mathematics and computer science informs a pragmatic, algorithmic approach to problems, evident in contributions like enhancing a PHP CSS parser to support CSS3 calc functions and edge-case parsing. Comfortable leading R&D and day-to-day engineering, he pairs product-minded architecture with low-level attention to parsing, optimization, and web standards.
11 years of coding experience
12 years of employment as a software developer
High School Mathematics and Computer Science, High School Mathematics and Computer Science at School of Mathematics and Natural Sciences Vasil Drumev
A Parser for CSS Files written in PHP. Allows extraction of CSS files into a data structure, manipulation of said structure and output as (optimized) CSS
Role in this project:
Back-end Developer
Contributions:3 reviews, 89 commits, 35 PRs in 4 years 3 months
Contributions summary:Ivailo primarily contributed to the PHP CSS parser by adding support for CSS3 calc functions, including -webkit-calc and -moz-calc. They implemented parsing logic to handle calculations, whitespace, and operators within the calc functions. Furthermore, the user addressed parsing issues by handling end-of-file scenarios and ensuring the correct parsing of selectors and grid line names, while also streamlining parsing procedures.
A Parser for CSS Files written in PHP. Allows extraction of CSS files into a data structure, manipulation of said structure and output as (optimized) CSS
Contributions:1 review, 3 PRs, 138 pushes in 6 years 1 month
manipulationextractionsaidcss-filescss
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