Elkin Humberto Ballesteros
Systems engineer
7750 Hackberry Trail, Niagara falls ON L2H2Y--- https://co.linkedin.com/in/elkinballesteros
SKILLS
Team Managemenet
Teamwork
Computer proficient
Agile & SCRUM knowledge
Bilingual Spanish & English
Leadership
Self-learning process
Analysis
Develop
Architecture
DataBase
Problem Solving
CERTIFICATIONS
.NET Framework 2.0 technology specialist
Technology Specialist (MCTS)
Microsoft Silverlight
Personal Software Process Fundamentals
WORK EXPERIENCE
8 year of experience working with Microsoft technologies, .NET Framework, SQL Server, ORACLE 10 and 11 as database engine, C#, VB.NET, WCF (SOAP AND REST Services), Web API (REST Services), WPF, Windows Phone, Metro Style apps, HTML 5, AJAX, JavaScript, Angular, SSIS, Informatica Power Center, JavaScript, JQuery, AJAX, JSON.
Senior Engineer Developer – Technical Lead December 2017 - August 2018
Bit-c Consulting
Worked with SQL Server Data Base migration Project, in this project migrate 4 Data Bases since 2008 to 2016 Using Data Migration Assistant provided by Microsoft for implement the best practices in the migration process.
Developed a WPF portable application for analyze database performance.
Participated in projects of integration between platforms inside and outside of our company and our clients.
Facilitated good development practices and software architecture.
Customer Service Environment: meet with external customers to figure out their necessities to solve or support some business process on their companies, meet team work for evaluate the different customers projects, based on SCRUM methodology.
Technical Environment: .NET Framework (4.6, 4.6.2, 4.7), SQL Server(2008R2, 2014, 2016), Microsoft Azure tables, SSIS, SSRS, ORACLE (10G, 11G) as database engine, C#, VB.NET, JavaScript, JQuery, HTML, CSS, XAML, AJAX, ASP .NET web forms, MVC .NET, WCF (SOAP AND REST Services), Web API (REST Services), WPF, MVVM Pattern, Microsoft DataMigration Assistant, Microsoft Azure Services, Visual Studio 2017, TFS, GIT, SVN.
Senior Engineer Developer September 2017 – October 2017
Zemsania – Vass latam – AXA Colpatria
Supported the integration of the DPW application with the new regional platform implemented in Liferay
Migrated and maintained web applications (ASP.NET web forms) with programming language C#.
Customer Service Environment: meet with internal to follow the advance of project based on SCRUM methodology.
Technical Environment: .Net Framework 3,5, SQL Server 2008R2, C#, VB.NeT, JavaScript, HTML, CSS, AJAX, SSIS, ASP.NET Web Forms, WCF SOAP, TFS, Visual Studio 2015
Senior Engineer Developer May 2016 – August 2017
GML Software S.A.S - www.gmlsoftware.co
Falabella
Carried out the design and implementation of the system of sending extracts via SMS and E-Mail which was designed to be developed in MVC with programming language C# and oriented to the consumption of WCF Services.
DIRECTV
Engineer Senior development analyst, performed requirements analysis, high level estimates, detailed estimates, impact analysis in integrations with other platforms.
Management of Microsoft Business Intelligence SSIS for the migration of information between platforms.
Participated in the YBroker project, which consists of a component responsible for receiving messages in RABBIT and transporting information between components whose operation is agnostic to the business that implements it.
Worked with Microsoft technologies develop ETL with SSIS, developed back end business rules with C#, the Y Broker project uses RABBIT MQ as messages repository to transport the information between systems.
Developed Web Api Services (REST) to expose business rules.
The Data Base Repository was in SQL Server 2012R2 and Oracle 11G.
Customer Service Environment: meet with internal customers to understand the requirements for new modules or functions inside the software, meet periodical meetings to follow the advance of project based on SCRUM methodology.
Technical Environment: .NET Framework (3.5, 4.0, 4.6, 4.7), SQL Server (2008R2, 2012R2), Oracle 11G, SSIS, SSRS, C#, VB.NET, JavaScript, JQuery, AJAX, HTML, Angular 2.0, ASP.NET Web Forms, MVC .NET, Web API 2.0, WCF (SOAP AND REST Services), Web API (REST Services), Rabbit MQ, Visual Studio (2008, 2012, 2015), TFS, GIT.
Senior Engineer Developer October 2013 – May 2016
Soluciones 360
Legis
In this company I managed to develop 5 applications for Windows Phone and another 5 for Metro-style applications, despite never having previously developed in this type of applications the result were very effective and fast execution applications that solved the needs of the client.
Designed and implemented mobile applications for Windows Phone Operating System and metro style applications to disseminate relevant information to topics such as Law, civil works, News, etc., implementing the MVVM design pattern in C# programming language.
All the application used Microsoft SQL Server 2008R2 like a data repository.
Delaware
Performed the design of managing the business entities and the access to data in a transversal way for any application that would allow the use of SQL Server or Oracle as a database engine.
Designed and implemented a missionary application as a content manager for the clear company, developed in MVC with C # programming language and consumes REST services through HTTP calls from JavaScript and C#.
AXA Colpatria
Supported the development of two ETLs in charge of exporting the basic information of the clients, these ETL's were elaborated in Informatica Power Center.
Customer Service Environment: meet with internal to follow the advance of project based on SCRUM methodology.
Technical Environment: .NET Framework (3.5, 4.0), SQL Server (2008R2), ORACLE 11G, Informatica Power Center, C#, VB.NET, JavaScript, JQuery, HTML, CSS, AJAX, ASP .NET Web forms, WCF (SOAP), Windows Phone (7.5, 8.0), Windows Metro Style, MVVM pattern, Visual Studio 2015, TFS.
Senior develop engineer April 2013 – October 2013
Intergrupo S.A. - http://www.intergrupo.com/
Responsible for giving support to the TRANSAR application, as well as the analysis and implementation of new requirements of this application which is developed in ASP.NET with the programming language VB.NET.
Worked with Microsoft technologies developed ASP.NET web forms web applications whit C# and VB.NET, these applications include JavaScript native and some libraries like JQuery.
All the application used Microsoft SQL Server 2008R2 like a data repository.
Customer Service Environment: meet with internal to follow the advance of project based on SCRUM methodology.
Technical Environment: .NET Framework (3.5, 4.0), SQL Server (2008R2), C#, VB.NET, JavaScript, JQuery, HTML, CSS, ASP .NET Web forms, WCF (SOAP), Visual Studio (2012, 2015), TFS.
Senior Engineer DeveloperDecember 2010 – April 2013
CNT Sistemas de Información - http://cnt.com.co/
Participated in the development of approximately 12 modules of the PANACEA application which is composed in total by 48 modules, among the most important for me was Nursing which was developed with an office template and were dynamically embedded about 22 functionalities, 80% of the application was developed in Silverlight with the implementation of the MVVM model, this application is the one that currently supports the operation of Salud TOTAL.
Technical leader of a development team responsible for the design and implementation of several modules of the PANACEA application which is developed in ASP.NET and Silverlight with C # programming language and used as SQL Server database engine.
Worked with Microsoft technologies developed ASP.NET web forms web applications whit C#, these applications include JavaScript native and some libraries like JQuery.
Developed WCF services for expose business rules methods.
70% of modules was develop in Silverlight 5 using MVVM pattern.
The applications had some libraries developed by team implement SOLID principles.
The application used Microsoft SQL Server 2005 and 2008 as a database engine.
Customer Service Environment: meet with internal customers to understand the requirements for new modules or functions inside the software.
Technical Environment: .NET Framework (3.5, 4.0), SQL Server (2008R2, 2012), C#, VB.NET, JavaScript, JQuery, HTML, CSS, SIlverlight (4, 5), XAML, ASP .NET Web forms, WCF (SOAP), MVVM pattern, Visual Studio (2010, 2012), TFS.
Junior Engineer Developer August 2009 – July 2010
Ssoft Colombia - http://www.ssoftcolombia.com/
Implemented the backend of the company's applications which are oriented to the tourism sector where the consumption of webservices such as SABRE, HotelBeds and others that are oriented to the management of air, hotel and vehicle reservations are implemented.
Worked with Microsoft technologies developing ASP.NET web forms web applications whit C# and VB.NET, these applications include JavaScript native and some libraries like JQuery. I developed SOAP Web Services with ASMX.
All the application used Microsoft SQL Server 2000 and 2005 as a database engine.
Customer Service Environment: Answer phone calls to attend the customer complaints about web pages issues and manage complicated situation to solve the problem technically.
Technical Environment: .NET Framework (3.5), SQL Server (2008), C#, JavaScript, JQuery, HTML, CSS, XML, AJAX, ASP .NET Web forms, Visual Studio (2008, 2010), SVN.
EDUCATION
Specialization in Software engineering - Postgraduate
Francisco José de Caldas University
2018
Systems engineering – Bachelor’s degree
ECCI University
2016
Technical studies in Analysis and development of TICS
Servicio nacional de Aprendizaje SENA
2009
Personal Software Process Fundamentals
Carnegie Mellon
2009
