Roberto L. Machado@robmachado 
Electrical engineer, specialist in Quality Management. Infrastructure administrator (Linux, Debian like) BackEnd developer (especially PHP)
cpf top 100 cnpj top 100 nfe top 1000

Expertise

Global rank

# 70,096

Location

SP Brazil
Languages
PHP
php7
Topics
cpf
cnpj
nfe
documen...

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