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About Me

Photo Marcelo Menezes


My name is Marcelo Menezes e Silva Also Known As Cálcio Heavy Metal or just Cálcio.

I worked with Web development since 2000. Using PHP, JavaScript, HTML and CSS as well as database such Oracle, MySQL, PostgreSQL and M$ SQL Server.

I am now at Núcleo

I'm also an active participant in the free software community and a speaker of the PHP Rio group. I'm a leader of the Yii Framework Brazil group, whose goal is to add content to the Brazilian PHP Community.

Read some posts in my Medium: https://medium.com/@calcionit (in portuguese)



Analyst/PHP Developer since 2000. Object Oriented Programming, MVC, using PHP frameworks like, Yii2, Laravel and CodeIgniter


I began my career as instructor in 1999 at Tema Informática. From 2002 to 2007 as instructor consultant at Tema Informática, Digidata and PHP private classes

Other attributes

Participation in FLISOL (Latino Festival of Free Software Installation), Event organization I Hack'n Rio, Lecture series SINDPDRJ and EDX


Convert CI 2x to CI 3X

CI 2 (CodeIgniter 2) is very old and obsolet, however I can convert your system/site developed in, CI 2.x, to CI 3.x

Convert CI to Yii 2

Even CI (CodeIgniter) being a good framewok it is obsolet and does not follow the good practice and not follow the new features of PHP. However I can convert your system/site developed in,CI 2.x and CI 3.x, to Yii2

Create your website

Let me help you to create a beautiful and functional site. I use the newest PHP technology and fast development maintaining quality and efficiency.

Books & Courses


My portfolio consists of systems screens that I created in companies that I have worked



Social Network Game



Risk Management



Investment Governance System



Timesheet system

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