William Espindola
Head Of Product & IT at Loop Brasil
São Paulo, Brazil
Summary
👤
Senior🎓
Top SchoolWilliam Espindola is a Head of Product & IT based in São Paulo with 13 years of hands-on experience building and scaling web applications using PHP, JavaScript/TypeScript and cloud platforms. He progressed from developer to engineering manager and now leads product and IT at Loop Brasil, blending architecture, team mentoring and operational leadership. William has strong background in high-availability systems, API design and test-driven practices, demonstrated at companies like Memed and in contributions to the well-known Respect/Validation PHP library where he improved integration tests across many validation rules. He pairs product sensibility with engineering rigor—often stepping into Scrum Master and QA roles to streamline delivery—and has a history of modernizing legacy systems into responsive, cloud-deployed solutions. Colleague-facing and community-minded, he’s an active PHP evangelist in PHPSP, helping both open source projects and developer ecosystems evolve.
13 years of coding experience
11 years of employment as a software developer
Graduação, Graduação at E.E Prof Salime MudehBacharel Sistema de Informação, Bacharel Sistema de Informação at Centro Universitário Eniac
English
Stackoverflow
31reputation
3kreached
3answers
7questions
Github Skills (17)
unit-testing10
validations10
validators10
testing10
validation10
php10
integration-testing10
component-kit8
ui-components8
dbunit6
doctrine-orm6
android-layout6
zfcuser6
google-app-engine6
zend-framework6
Programming languages (10)
Github contributions (5)
Respect/Validation
Oct 2015 - Jun 2018
The most awesome validation engine ever created for PHP
Role in this project:
QA Engineer / Test Automation Engineer
QA Engineer / Test Automation EngineerContributions:26 commits, 24 PRs, 63 comments in 2 years 8 months
Contributions summary:William primarily focused on creating and improving integration tests for the Respect/Validation library. The commits demonstrate the implementation of integration tests for various validation rules, including "Yes," "Bsn," "Age," "Contains," "Countable," "Cpf," "AlwaysValid," "AlwaysInvalid," "Base," "Base64," "BoolVal," "Bsn," "Callback," "Cnh," "Charset," "Cnpj," "CountryCode," "CreditCard," "CurrencyCode," "Exists," "Directory," and "Executable." The tests covered different scenarios and edge cases for these validation rules to ensure their correctness and reliability. The user also made improvements to existing tests.
validationvalidation-enginephpeverstandalone
williamespindola/dotfiles
Aug 2016 - Jan 2021
Contributions:60 commits, 16 PRs, 62 pushes in 4 years 5 months
dotfilesvimzsh
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