Sébastien Alfaiate - Engineering Manager at Ben Line Agencies

Sébastien Alfaiate

Engineering Manager at Ben Line Agencies

Bangkok, Thailand

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Summary

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Sébastien Alfaiate is an Engineering Manager and senior web developer with 14 years of experience building PHP-based systems (Symfony, CodeIgniter, WordPress) and responsive front-ends from Bangkok. He has led engineering teams across e-commerce and tech firms—moving from hands-on PHP/Symfony work and core PrestaShop fixes to Principal engineering roles and current management at Ben Line Agencies. A pragmatic full-stacker, he combines backend expertise (Doctrine/DQL optimization, complex query tuning) with front-end polish (responsive layouts, media compatibility) and documentation contributions to Symfony’s docs. His open-source footprint includes improving DataTables integration for Symfony and fixing cross-browser media issues, showing attention to both developer experience and UX edge cases. Skilled at translating legacy and multi-store platform constraints into reliable, testable solutions, he also consults through WEB AREA, blending delivery leadership with ongoing coding practice.

13 years of coding experience

11 years of employment as a software developer

BTS, Informatique de gestion, BTS, Informatique de gestion at Lycée Gustave Eiffel

Licence professionnelle, Systèmes informatiques et logiciels, Licence professionnelle, Systèmes informatiques et logiciels at Université Bordeaux I

French, English

Stackoverflow

Stats

7,545reputation

1.8mreached

57answers

22questions

Badges

css

top-5%

twitter-bootstrap

top-1%

jquery

top-5%

navbar

top-1%

html

top-5%

jquery-select2

top-5%

Github Skills (33)

debug10

javascript10

twitter-bootstrap10

bootstrap10

mysql10

ecommerce10

css10

doctrine10

responsive-design10

datatable10

forms10

navbar10

datatables10

php-framework10

php10

Programming languages (18)

SmartyPowerShellJavaCSSRustTwigScalaGo

Github contributions (5)

stwe/DatatablesBundle

Jan 2017 - Mar 2022

This Bundle integrates the jQuery DataTables plugin into your Symfony application.

Role in this project:

Back-end Developer

Contributions:8 releases, 10 reviews, 95 commits in 5 years 2 months

Contributions summary:Sébastien contributed to the integration of the jQuery DataTables plugin within a Symfony application. They addressed issues related to CDN options and locale handling within the language files. Their work also involved refining the query builder, including optimizing the use of Doctrine Paginator and implementing custom DQL options. Furthermore, the user made enhancements to action columns and filters.

inline-editingdatagridpaginationbundledatatable

mladenplavsic/bootstrap-navbar-sidebar

Jan 2018 - Feb 2018

Bootstrap navbars fixed to left or right

Role in this project:

Front-end Developer

Contributions:7 commits, 6 PRs, 7 comments in 27 days

Contributions summary:Sébastien primarily focused on enhancing the user interface and ensuring proper layout and responsiveness. They made modifications to the CSS files to fix layout issues, especially around the positioning of the navbar and its components. The commits demonstrate the user's work in refining the structure, padding, and margin aspects. The user also worked on adjusting the sample pages' margins to match the overall design.

bootstrap4bootstrapnavbars

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