Senior Django Developer2016 - 2017Consumer Affairs (via Toptal)
Technologies: Django, Python, Celery, Webpack
- Implemented UI and UX redesign for the whole site using Jinja templates CSS and JS.
- Implemented Optimizely monitoring and A/B test tools for improving user experience.
- Maintained legacy code, including improving code using asynchronous tasks with Celery framework.
Senior Developer2012 - 2015Paymentez
Technologies: GAE, GAE Datastore, Django, MySQL, Ruby on Rails
- Developed and maintained a multi-layer online payment platform.
- Developed a subscriptions and recurring payments system.
- Developed a PCI compliant system for storing credit card data and processing payments through a SOAP API.
- Maintained a Memcached storage system for optimizing the platform.
- Worked with a team located in three different countries.
Architect2011 - 2012Zenit
Technologies: J2EE, Grails, PHP, Ruby on Rails, Backbone, jQuery, Linux, Apache, MySQL
- Managed teams using Scrum methodology and Redmine for a tracking system.
- Administered a Linux server with Apache load balancing and MySQL clusters.
- Built a custom solution for a broad range of clients using Web 2.0 technologies and providing hosting infrastructure.
- Developed and maintained a retail system for Walmart providers.
- Created a REST API for mobile tactile applications at Telefonica interactive store in Mexico City.
- Created Starbucks Digital Network, a Web 2.0 newsfeed using jQuery and Grails.
Web Developer2010 - 2012Mamut
- Created a bank's custom newspaper for internal communications using Spring MVC and jQuery.
- Developed CSS and HTML for multiple micro sites from an image with rich graphic design.
- Created Starbuck's landing page used by customers in stores for getting a free wifi connection.
Senior Java Developer2009 - 2010Instituo Nacional de Migración (National Migratory Institute)
Technologies: Java, J2EE, Spring, OAS, Oracle Database
- Maintained a migratory alerts system for monitoring flight passengers in real time.
- Maintained the core system of migration flow.
- Developed a public system to make online migratory procedures built in Java, Spring, and jQuery.
- Developed an algorithm to compute person matching searches using a multi vantage point tree for indexing the searches.
Junior Java Developer2007 - 2009Root Technologies
Technologies: J2EE, Spring, Linux
- Developed an ERP for a gas company using Spring, Prototype, and Scriptaculous.
- Developed an internal voting system for the acquisition of new books made in Java, JDBC, and JSP.