
Backend-utvecklare
Han har gjort betydande bidrag till PHP-ekosystemet som en underhållare av WordPress Core-komponenter för Mail och Post Types, med mer än 1 000 bidrag över fyra stora releaser. Han är även bland de främsta bidragsgivarna till PHPMailer.
Hans kommersiella erfarenhet inkluderar modernisering av plattformar för ad-tech-, CRM- och telekomkunder, inklusive en migrering som stöder cirka 1 miljon förfrågningar per dag samt CI/CD- och testinitiativ som minskade ledtiden från 3–4 dagar till cirka 36 timmar. Han tillämpar även AI-first-utvecklingspraxis över mjukvarulivscykeln, och kombinerar AI-assisterade arbetsflöden med starkt tekniskt omdöme för att leverera pålitliga lösningar.


Boizu was a VoIP startup offering sponsored international calling, funded through an in-house advertising platform.
Founded and ran the company for five years: built the product, hired and led a 5-developer team, and owned the business side across sales, marketing, and finance.
Architected the telephony platform on Kamailio and Asterisk, separating SIP signaling from media handling so the system could scale horizontally by adding media nodes.
Chose PHP/Zend Framework 2 for the backend and upskilled the development team to ZF2 Architect certification level.
Built an abstraction layer over the Asterisk Manager Interface exposing telephony data directly to backend developers, deliberately removing myself as a single point of failure. Concluded the venture with a successful exit.
Caetano Retail operates automotive retail and dealership management businesses across multiple brands.
Designed and led the technology for a new car-parts contact center (10 agents, Peugeot and Renault brands): architected the Asterisk/Kamailio telephony platform, integrated the warehouse ERP, and built dashboards and call queues.
Developed internal business applications supporting sales, inventory, and customer management in PHP and relational databases.
As Product Manager, turned around a loss-making used-car department: built an online sales funnel, stock and refurbishment tracking, a CRM-integrated selling interface, and a redesigned commission scheme, while reshaping a 6-person sales team.
Grew sales volume around 1.5x and gross margin nearly 3x, taking the department from losses to one of the group's most profitable; the CEO replicated the model across other dealerships.
Peugeot is an international automotive manufacturer developing vehicles and supporting digital business operations.
Drove the analog-to-digital transformation of a multi-dealership retail operation.
Administered the Linux servers the business ran on and built internal PHP web applications replacing paper processes.
Deployed early WordPress sites, improved the dealer ERP, and automated management reporting.
Coordinated the small technical team: first experience owning systems end to end, from the server room to the application layer.
Alla Backend-utvecklareer som har ansökt till Proxify får ett betyg från 0 till 300 på ingenjörskompetens, en av de fem parametrar vi utvärderar. Detta betyg speglar endast ingenjörskompetens och baseras på intervjuer, hemuppgifter, live-kodningssessioner och/eller prestationer på jobbet. Kurvan visar hur alla utvärderade Backend-utvecklareer är fördelade över det intervallet, var vår accepteringsgräns för denna parameter ligger och var Manuel befinner sig.

Issued Dec 2015
Credential ID ZCE
Issued Oct 2012
Credential ID SCA/dCAP 2168

Issued Dec 2015
Credential ID ZCE
1Component maintainer of WordPress Core for Mail and Post/Post Types, software running a large share of the web. Over 1,000 contributions to Core and Gutenberg across four major releases (6.7 to 7.0) as a Core and Test Team member: reviewing contributions from developers of every level, keeping public API contracts stable, maintaining and extending the test suite, and shepherding fixes through release cycles. All activity is public and verifiable through the profile link.




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