Gustavo H. Mascarenhas Machado

Software Engineer - Curitiba, Brazil

+55 41 9639 3490

Who am I?

I'm a Software Engineer with 7 years of experience. I'm focused on building scalable and efficient web applications and on maintaining and modernizing legacy systems. I'm interested in web applications, machine learning, bioinformatics, medicine and related topics.

My experience:

  • 7 years of PHP, HTML, CSS and JavaScript experience
  • 4 years of Ruby experience
  • 6 years of MySQL experience
  • 4 years of PostgreSQL experience
  • 5 years of Linux experience, including System Administration
  • Knowledge in e-commerce Systems, Payment Gateways, Git, Subversion, Functional Programming, Shell Scripting, Interaction Design, Usability and Statistics
  • Extensive software experience in the areas of online payments, e-commerce, civil construction, ERPs and agricultural commodities trading
  • I can speak English, French, Portuguese and Spanish


Independent Consultant (2010 – now)

Software Engineer

  • I implemented new features on a e-commerce website that brought down response times by 50% and increased revenue by 200%
  • I improved legacy applications, making them safer, more reliable and easier to maintain
  • I fixed broken and partially implemented applications, making them functional again
  • I devised new business strategies that brought more revenue and delivered better - and measurable - results to an e-commerce business.

EBANX Ltd. (2014 – 2015)

Integration Manager

  • I effectively managed the Integration Team, delivering impressive results with the company's smallest team
  • I coordinated the development of new integration solutions, which allowed new customers to integrate with our systems and which increased the company's revenue
  • I assisted our Sales team during business negotiations by selling the technical aspects of our product and helping close multimillion-dollar contracts

EBANX Ltd. (2013 – 2014)

Integration Specialist

  • I assisted our customers to solve technical issues, decreasing ticket response times and improving customer satisfaction
  • I implemented new integration methods that decreased the integration time from many days to less than an hour

Meta IT Services (2013 – 2013)

Developer Analyst

  • I modernized and documented several modules from a legacy ERP through reverse engineering
  • I created a new standard user interface that improved the user experience substantially
  • I wrote a guide on optimization for the PostgreSQL database that was used by the entire team

Tradincom Ltda. (2011 – 2013)

Software Engineer/Partner

  • I developed a business-oriented social network focused on the agricultural commodities market
  • I built a tool for trading agricultural commodities online (undisclosed)

Cripon (2010 – 2011)


  • I developed, customized and sold a group buying software which was used by hundreds of brazilian websites.

Embrapa Florestas (2010 – 2010)


VALVe Corporation (2006 – 2008)

Support Wiki Translator


MBA - Business Intelligence (2016 - 2017)

Universidade Positivo

Bachelor of Information Systems (2013 - now)

Universidade Tecnológica Federal do Paraná

CORe - Credential of Readiness (2015 - 2015)

HBX | Harvard Business School

Bachelor of Computer Engineering (2011 - 2013)

Universidade Tecnológica Federal do Paraná

Bachelor of Biomedical Sciences (2007 - 2010)

Faculdades Pequene Príncipe