09/06/2025 updated

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PHP Technical Referent with 15+ years of experience

Longchamps, Argentina
Only remote
Systems Engineer
Longchamps, Argentina
Only remote
Systems Engineer

HTMLJavaScriptPHPAjax (Programming Language)Apache HTTP ServerCodeIgniterDatabasesLinuxDevOpsjQueryLaravelPostgreSQLMicrosoft SQL ServersMySQLNGINXObject-Relational MappingSQL DatabasesSymfonyVirtualBoxWeb ApplicationsReact.jsGitTwigDoctrine (orm)Software Version ControlDatabase AdministrationDocker
PHP Development
Extensive experience with PHP programming spanning 15 years from version 4 to current, with deep knowledge of frameworks including Symfony2, Symfony5, CodeIgniter, and Laravel.

Frontend Technologies
Proficient in HTML (20 years), JavaScript (20 years), jQuery (10 years), Ajax (10 years), and modern frameworks like React, with strong focus on responsive and interactive web applications.

Database Management
Expert in SQL database technologies including MySQL (12 years), MSSql (10 years), and PostgreSQL (8 years), with experience in designing and optimizing database structures.

ORM Technologies
Specialized knowledge in Object-Relational Mapping with 8 years of Doctrine and 6 years of Propel experience, enabling efficient database interactions in PHP applications.

DevOps Skills
Practical experience with Docker (2 years), Virtualbox (5 years), Apache (10 years), and Nginx (2 years), supporting deployment and infrastructure management.

Linux Administration
15 years of Linux experience combined with version control systems including Git (5 years) and SVN (10 years), facilitating efficient development workflows.

Template Management
Expertise in template systems including Twig (8 years) and Smarty (10 years), enabling clean separation of presentation and business logic.
 

Experience

Professional experience10+ years
Freelancer since2015

Languages

EnglishFluentPortugueseFluentSpanishNative speaker

Project history

Sr. PHP Developer

Kiusys SRL
Analysis, task assignment and programming in Symfony2, Propel, Ajax, Json, Jquery, Doctrine, CodeIgniter, PHP 4, 5, 6, 7, MySQL, SqlServer

Technical Referent

OutBoxFactory
Responsible for training, task assignment, estimation of times and dates, life cycle control of software development. Programming in Symfony2, Propel, Ajax, Json, Jquery, Doctrine, CodeIgniter, PHP 4, 5, 6, 7, MySQL, SqlServer, Postgres. 4 People in charge. Manage own annual budget.

Technical Referent

Piramide Technologies S.A.
Analysis, task assignment and programming in Symfony2, Propel, Ajax, Json, Jquery, Doctrine, CodeIgniter, PHP 4, 5, 6, 7, MySQL, SqlServer, Postgres. 6 People in charge.

Sr. VB6/Sql Server Programmer

Sistran
Sr. Programmer in VB6/SqlServer with the SISE system.

Senior ASP/VB Programmer Analyst

Banco Galicia de B.A.
Maintenance and new developments based on ASP 3.0 and Visual Basic 6 of the SIO system, Web system integrated with technologies such as Sybase, Workflow MQ and DB2 mainframe.

ASP/SQL Server Programmer

Telecom
Security of www.arnet.com.ar and other sites dependent on Telecom against different types of cracking/hacking

Certificates

Osvaldo Sevilla

UTN (Universidad Tecnológica Nacional)

2021


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