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Christian Caldera

Christian Caldera

Guadalajara, Mexico
Member since January 29, 2016
Software development is Chris's greatest passion. He's always looking for something new to learn. Currently a senior developer, his goal is to be a software architect. He has a master’s degree in computer science and has published papers and given many talks about computer science. He's worked with companies like HP, Softtek, and Herbalife on critical business apps, so he knows how to work with distributed teams and high responsibility.
Christian is now available for hire
Portfolio
Experience
  • C#, 8 years
  • ASP.NET, 5 years
  • Web Services, 4 years
  • Azure, 3 years
  • Bootstrap, 3 years
  • WebSockets, 2 years
  • Angular, 2 years
Guadalajara, Mexico
Availability
Part-time
Preferred Environment
Windows, TFS, SVN, VM, GitHub
The most amazing...
...thing I've coded is a web API using Windows Azure Cloud computing to calculate recommendations to third-party systems and their customers using AI.
Employment
  • .NET Lead Developer
    2017 - 2018
    Unosquare
    • Created several providers to communicate with external vendors allowing interaction between their app and different technologies using HTTP, SOAP, and TCP.
    • Led a team of five developers to deliver high quality milestones for our client.
    • Designed a lot of ETL application processes to migrate vendors data to our database.
    Technologies: C#, MS SQL Server, WCF, Web API, TFS
  • Freelance Front-end Developer
    2017 - 2018
    Shapeshift (via Toptal)
    • Created a single-page app based on Angular 4 from scratch.
    • Created communication mechanisms for web sockets communication so the app could support real-time updates.
    • Helped on integration with the current application and its communication with the app.
    Technologies: Angular 4, Web Sockets, jQuery, CSS
  • Freelance Webmaster
    2016 - 2017
    Allegria Spa (via Toptal)
    • Maintained a web application.
    • Did styles, files, and content updates.
    • Helped to fix minor bugs.
    Technologies: ASP.NET, C#, HTML, CSS, MS SQL
  • Freelance Senior Full-stack Developer
    2016 - 2017
    Vox Global (via Toptal)
    • Worked with AngularJS to create client-side applications to build reports dynamically.
    Technologies: AngularJS, C#, ASP.NET, WebAPI, MS SQL Server
  • Senior Software Developer
    2014 - 2017
    Herbalife
    • Analyzed and designed new functionalities for an eCommerce page (no CMS used).
    • Developed new enhancements for both an eCommerce page and a page to configure multiple websites.
    • Managed and deployed software application updates on Windows Azure.
    • Provided production support for all our applications.
    • Developed front-end and back-end features using .NET technologies.
    Technologies: .NET, WCF, ASP.NET, JavaScript, HTML5, C#, CSS3, MVC 4.NET, SQL Server, TFS, Microsoft Azure
  • Machine Learning Expert/Developer
    2016 - 2016
    Waikato, Inc. (via Toptal)
    • Developed a web API using Microsoft .NET with token authorization.
    • Developed both front-end and back-end features.
    • Used Azure DocumentDB.
    • Used Fitbit’s web API.
    • Provided continuous integration with daily deployments to Microsoft Azure.
    Technologies: C# .NET, Visual Studio 2015, ASP.NET MVC, Web API with Token Authentication, MS SQL, Windows Azure, Azure DocumentDB, jQuery, JSON, RESTful
  • Software Engineer Contractor
    2013 - 2014
    Hewlett Packard
    • Supported four critical financial applications, used for all countries.
    • Developed new functionalities for critical applications with high impact in the business.
    • Implemented new functionalities on QA and production environments.
    • Analyzed and designed new functionalities for high-impact applications.
    • Led the development team on all the application lifecycle.
    Technologies: .NET, WCF, ASP.NET, JavaScript, HTML5, C#, CSS, MVC 4.NET, SQL Server
  • Analyst Programmer
    2011 - 2013
    GALFER IT
    • Developed front-end and back-end features using Adobe technology.
    • Developed new enhancements for an ERP system.
    • Provided production support for all our applications.
    • Migrated the database from Informix to SQL Server.
    • Looked after web servers.
    Technologies: Adobe Flex, ActionScript, ColdFusion, ColdFusion Reports, MS SQL Server, DataServices, PHP, MySQL, Adobe LiveCycle, HTML5, C#, ASP.NET, MVC Razor, jQuery, Google Maps API
Experience
Skills
  • Languages
    JavaScript, HTML5, C#, CSS3
  • Frameworks
    .NET, Windows Communication Framework (WCF), ASP.NET, ASP.NET MVC, ASP.NET Web API, Entity 5, ASP.NET Web Forms, Razor, AngularJS, Bootstrap, Angular, ASP.NET Core
  • Paradigms
    REST, Object-oriented Programming (OOP), Real-time systems
  • Storage
    Azure SQL, MySQL, Microsoft SQL Server, Azure Websites, MongoDB, Azure Queues, Azure DocumentDB
  • Other
    Web Services, Architecture, Pattern design, Leadership, Azure Web Roles, Azure Worker Roles, Azure Service Bus
  • Libraries/APIs
    jQuery, Google Maps, WebSockets, Azure Blob Storage API
  • Tools
    Azure Team Services, GitHub, TFS
  • Platforms
    Azure, Azure PaaS, Azure Service Fabric
Education
  • Master's degree in Computer Engineering
    2013 - 2015
    Instituto Tecnológico de La Laguna - Torreon, Coahuila, Mexico
  • Bachelor's degree in Computer Engineering
    2010 - 2012
    Universidad Politécnica Gómez Palacio - Gomez Palacio, Durango, Mexico
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