Julio César C.

Full Stack Developer

500 dollar
15 years
Veracruz, MEXICO

My experience


FreelanceAugust 2016 - Present

Through freelance projects, I work with small business owners to deliver quality software projects and followed up with them to ensure that the customer was happy with the work.

This includes:

• Design and development of web and mobile applications.
• Used Front End Web Development Tools like CSS3, JavaScript, and jQuery.
• Design and development of Android applications.
• Worked on designing and developing Web Applications using HTML 5.
• Agile Methodology using Trello.

One of my projects:

MobivityNovember 2017 - Present

* Developed enhancements to the application SmartSuite built in using MVC, jQuery, Knockout.js, Dapper.NET and Github Desktop.
* Enhanced error code, versioning, and authentication support for core backend API services using Python. Developed API functional tests.
* Utilized Google Cloud Platform services such as App Engine, Datastore, Logging and BigQuery.
* Utilized Git and GitHub for version control.
* Creating Test Frameworks using Selenium WebDriver with UI Mapping.
* Executing Selenium automation scripts written in Python.
* Worked using the Agile methodology with daily stand-ups and biweekly sprints.

Sinergia CorporativaJanuary 2017 - October 2017

•    Expertise in designing and developing web application and services with ASP.NET MVC, Web APIs, C#, .NET Framework
•    Developing the application using MVC, Entity Data Model and RESTful services.
•    Involved in implementation of Object Oriented Concepts during the development.
•    Strong ability to build data models to integrate with backend services.
•    Using JQuery JSON for dynamic User Interface, retrieval and posting of data.
•    Using LINQ to SQL, LINQ to JSON.
•    Entity framework.
•    Git.
•    Participate in product requirement and design reviews with manager and other engineers.
•    Jira & Agile Methodology to drive excellence in software development.
•    Knowledge of OWASP standards.

The tech stack used to design and develop Voixty App.

TenarisTamsaMarch 2010 - July 2016

• Coach and Coordinate Programmers Team (4 Developers).
• Software development: C# & SQL Server 2008 & Oracle 11, WCF & WPF, ASP .NET.
• Steelmaking Process Control, desing, build, test and deploy stand alone and web applications to control steel making process.
• Front ends were designed on WPF with C# 4.0 with MVVM pattern design.
• All code versioning based on SVN.
• The best practices and coding standards were checked with StyleCop.
• All projects currently in use in Steel Making Plant in Veracruz, Mexico.

HalliburtonFebruary 2009 - February 2010

* Lead and support sourcing activities for multiple PSL's, Manufacturing facilities, categories, and field operations.
* Contribute to detailed planning and execution of improvement actions with users and suppliers.

TenarisTamsaApril 2006 - October 2008

* Deployment of Level 2 System.
* Software development: C++ & SQL Server 2005, ASP .net, Javascript, Visual Basic 6.
* Implementation of system in Components Plant.
* User's administration through profiles, roles and schemas created on the DB and matched with the application.

My stack

Software testing

Functional testing


Oracle, Microsoft SQL Server, MongoDB, Microsoft SQL Server 2005


Web Services, Odata, .NET Remoting, .NET Framework, Software Development, Web development

Computer Tools

Lotus Smartsuite




AngularJS, .NET, Express.js, Node.js, Knockout.js, Entity Framework, jQuery, WCF, WPF

IT Infrastructure

Windows Server, Google Cloud Platform (GCP), Git

Environment of Development

Visual Studio


Spanish, GitHub, Algorithms, Knockout, Dapper, Design

Analysis methods and tools

Agile, Agile Methodology, Selenium




C#, HTML, ASP.NET, CSS, Delphi, Visual Basic, SQL, C++, JavaScript, MVC, Swift, ASP.NET MVC, LINQ, HTML5, Python


Object Oriented Analysis/Design, English, Back End, Microsoft SQL Server 2008, Windows Communiciation Foundation, Microsoft ASP.NET, Cascading Style Sheets, Microsoft .NET Technology, Microsoft C-SHARP, MVVM pattern design, Mobile Applications, Data Modelling, Python Programming, Windows Presentation Foundation, RESTful, Entity Data Model, User Interface, Oracle database

My education and trainings

Master of Business Administration, Business Administration and Management - Universidad Villa Rica2005 - 2007

Bachelor of Science, Computer Systems Engineering - Instituto Tecnológico de Veracruz2001 - 2005