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@arthurbarros
Flag of Brazil São Paulo, Brazil
Member since October, 2016
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Arthur Barros

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7+ years of experience in building scalable, performatic web sites and applications. I have aquired a large experience in e-commerce development, information security applied to cloud services and Value Added Services.
$30 USD/hr
1 comentário
0.4
  • 100%Trabalhos Concluídos
  • 100%No orçamento
  • 100%No Prazo
  • N/ATaxa de Recontratação

Portfólio

Comentários recentes

Experiência

Machine Learning Engineer

Sep 2016

Python, TensorFlow, Keras and Google Cloud ML Engine

Senior DevOps Engineer

Feb 2016 - Oct 2016 (8 months)

Architect and built the Continuous Integration flow, using Docker as the base ground, which led us to push containers instead of tarballs, achieved a more homogeneous environment across development and production. Used Jenkins to orchestrate the deployment and Slack web-hooks to get real-time notifications of the deployment process. Maintained a payment platform written in PHP, Nodejs and MySQL. Python, Docker, Jenkins, PHP, NodeJS, MySQL, Git and Linux

Senior Software Engineer

Jun 2013 - Sep 2016 (3 years)

Maintained a legacy cms, written in , Apache Solr and Mongo. This cms was responsible to compile and delivery all front-end pages of our VAS. Built a payment platform integrating providers such as banks, credit/debit card gateways and directly payment via cellphone text messages (SMS). Built a API Proxy Service with Python and Tornado which was consumed by our CRM used in our call center. Docker, Python, SQLAlchemy, Tornado, Flask, , , PHP, MySQL, Git, MongoDB and Linux.

Software Developer

Mar 2012 - Jun 2013 (1 year)

The Boutique was a fashion e-commerce B2C startup. While there I hold the responsibility of build all the payment flow and vendors integration including hardening the code and servers to mitigate our attack surface. Refactored a 2 years old platform in 2 months, mitigating all know security flaws in the codebase, such as SQL Injection, XSS, Directory Traversal, Security Misconfiguration, etc. MVC, OO, PHP, MySQL, CodeIgniter 2, Git, Cielo API, ClearSale API e Total Express API.

Software Developer / Scrum Master

Mar 2011 - Feb 2012 (11 months)

Built and maintained a custom ERP software target to small business. Coordinate the development team and build some important Brazilian taxes forms in our clients billing workflow such as NF-e (Nota Fiscal Eletrônica) and SPED PIS-COFINS. Also had to be in direct contact with most of our clients since we were a small team in a startup. This helped me to boost my skills in customer relationship. Scrum, PHP, MySQL, HTML, OO, CSS, jQuery, , SVN, Apache, Linux, AWS.

Junior Web Developer

May 2010 - Feb 2011 (9 months)

Worked as a solo developer, built a CRM integrated to a SOAP API of Nexxera. This CRM was responsible to collect and manage tickets from Caixa Econômica Federal the major federal Brazilian bank. Built a software to collect staff clock in, using a fingerprint scanner Delphi and PHP. PHP, SOAP, Delphi, MySQL, HTML, CSS and JavaScript.

Junior Web Developer

Feb 2010 - Apr 2010 (2 months)

Locasys was a software-house focused in ERP softwares, later acquired by Padoknet Group. Maintained a high customized ERP software, among several clients. The most significant challenge was to keep a wide range of heavy custom applications synced and updated across all customers. PHP, MySQL, SVN, HTML, CSS and JavaScript.

Educação

Bachelor of Applied Science (BASc), Computer Science - FACCAMP

2009 - 2012 (3 years)

Certificações

Anatomy of Backbone.js (2014)

Code School

Try Ruby (2014)

Code School

Real-time Web with Node.js (2013)

Code School

Swift Language (2015)

iai? Instituto de Artes Interativas

Publicações

Growing your Flask App - Blueprints

An article guiding on how to achieve a healthy growth with a python flask application, using blueprint.

Growing your Flask App - Folder Structure

An article guiding how to achieve a more cohesive app folder structure when growing your python flask application.

Certificações

  • JavaScript Level 1
    80%
  • US English Level 1
    80%
  • HTML Level 1
    75%

Verificações

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