Faisal Salman

Bandung, West Java, Indonesia

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Summary

🤩

Rockstar

Salman Faisal is a pragmatic software engineer with 15 years of experience, based in Bandung, Indonesia, known for building reliable tooling and open-source libraries. He is the author and maintainer of UAParser.js, a widely used JavaScript package with millions of downloads adopted by leading tech companies worldwide. His work spans backend utilities and developer tooling—examples include meaningful enhancements to SimpleExcel PHP for robust spreadsheet I/O and optimizations to the YUI Compressor’s CSS minification. Comfortable across languages and formats, he focuses on practical improvements that reduce complexity and payloads for real-world projects. Open to new opportunities and relocation, he combines steady craftsmanship with a curiosity for exploring better engineering patterns.

15 years of coding experience

Indonesian, Sundanese, English

Github Skills (9)

css10

xml10

regular-expression10

php10

csv10

java9

javascript9

javas9

testing7

Programming languages (8)

TypeScriptC#JavaShellJavaScriptPHPHTMLAssembly

Github contributions (5)

faisalman/simple-excel-php

Mar 2011 - Dec 2018

Simplexcel.php - Easily read / parse / convert / write between Microsoft Excel XML / CSV / TSV / HTML / JSON / etc spreadsheet tabular file formats

Role in this project:

Back-end Developer

Contributions:152 commits, 11 PRs, 19 pushes in 7 years 9 months

Contributions summary:Faisal primarily focused on adding and enhancing CSV and XML writing capabilities within the `SimpleExcel` PHP library. Their contributions included implementing a CSV writer class, integrating it into the available writer types, and adding methods for setting data and saving files. Furthermore, the user refactored code and implemented methods to make saving files easier, focusing on core functionality related to writing data in spreadsheet formats. These changes improved the library's ability to handle different spreadsheet file formats.

xlsxcsvcsv-converterxlsx-readermicrosoft

yui/yuicompressor

Mar 2013 - Mar 2013

YUI Compressor

Role in this project:

Back-end Developer

Contributions:8 commits in 1 day

Contributions summary:Faisal primarily focused on optimizing the YUI Compressor for CSS files. Their contributions involved replacing hexadecimal color codes with shorter keywords (e.g., `#f00` to `red`) and adding the "maroon" keyword, to reduce file size. These changes were implemented in both JavaScript and Java source code, and they also updated related test files to reflect these modifications. The changes resulted in more concise and efficient CSS compression.

yui-compressorcompressorcompressyuiobfuscator

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