Jairo Vasquez

Jairo Vasquez

Medellin, Colombia
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Jairo Vasquez

Jairo Vasquez

Medellin, Colombia
Member since October 23, 2013
Jairo is a senior developer focused on back-ends and scalable applications using clouds (Google and Amazon). He has experience building eCommerce sites, micro-payment transaction processing, payment gateway integrations, and PCI compliance code. He loves Scrum and XP techniques.
Jairo is now available for hire
Portfolio
Experience
  • JavaScript, 8 years
  • Python, 7 years
  • Django, 7 years
  • Google Cloud, 6 years
  • Git, 5 years
  • REST, 4 years
  • MySQL, 4 years
  • Flask, 4 years
Medellin, Colombia
Availability
Part-time
Preferred Environment
Mac OS X, Emacs, Git
The most amazing...
...software I've written is a micro payments engine that has become one of the main payment gateways in Latin America.
Employment
  • Lead Back-end Developer
    RealMassive
    2014 - 2016
    • Helped to make a young back-end more robust and reliable, fixing bugs, increasing monitoring, and cleaning and refactoring code to improve the performance and maintainability.
    • Created the back-end for a data intensive application called Atlas, part of the RealMassive portfolio.
    • Created the back-end for an application used to embed widgets to syndicate CRE information into other websites.
    • Integrated a robust framework used to validate images and protect the company from copyright threats.
    Technologies: Python, Google Cloud
  • Lead Developer
    Paymentez
    2010 - 2014
    • Led the development team using Scrum (located in three different countries).
    • Handled integrations with numerous developers around the world, provisioning APIs and solving problems.
    • Led a project to achieve PCI compliance for the platform.
    • Created a testing workflow to focus development on quality and refactoring.
    • Handled the requirements process with the sales team.
    Technologies: Google App Engine, Python, Django
  • Web Developer
    Mentez SAS
    2009 - 2010
    • Migrated a PHP application (2nd with most traffic in Orkut) to Python using Google App Engine to handle the peaks.
    • Developed a web application to run beauty contests in Orkut.
    • Developed Paymentez, a micro payments platform to sell virtual goods suited for Orkut and Facebook and then to any other website.
    • Led the development team using Scrum.
    • Created a reusable framework in Python to add different payment methods to applications and handle notifications peaks using queues.
    Technologies: Ruby on Rails, Heroku, MySQL
  • Projects Engineer
    Fluidsignal Group
    2007 - 2009
    • Created a web application to handle people queues in a bank.
    • Supported the infrastructure inside the company for a long period of time (any access or change to servers sent to me).
    • Resolved a large amount of tickets for problems with client infrastructure (both remotely and in client offices).
    • Worked on a project for the largest bank in Colombia as part of the security group (outsourcing) and helping with security incidents and deploying software.
    • Worked on a project to achieve compliance of CMMI level 5.
    • Deployed IT infrastructure to several clients (DNS, email, web servers, virtualization, firewall, proxy) in site.
    Technologies: Python, Django, IT Services (Linux, DNS, Web Servers)
Experience
  • Paymentez (Development)
    https://secure.paymentez.com/

    A micro payments engine for virtual goods. It is integrated with various payment methods in Latin America (present in the main countries).

  • ScoreMat (Development)

    A social game where sports fans around the world can live and share their passion by competing against each other, forecasting scores and wining real world prizes.

  • Traffic Studio Website (Development)
    http://trf-s.com/

    An application for website development using Python/Django.

  • RealMassive (Development)
    https://www.realmassive.com

    Python based back-end services (API, Data model, SDK).

Skills
  • Languages
    Python, JavaScript
  • Frameworks
    WebApp, Django, Flask
  • Platforms
    Google App Engine, Amazon Web Services (AWS), Heroku
  • Libraries/APIs
    jQuery
  • Tools
    Git, Emacs, Terminal
  • Paradigms
    REST, Test-driven Development (TDD), Asynchronous Programming
  • Storage
    MySQL, NoSQL, Google Cloud Datastore
  • Misc
    Google Cloud
Education
  • Bachelor of Science degree in Computer Engineering
    EAFIT University - Medellin, Colombia
    2004 - 2009
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