César Montaña
Verified Expert in Engineering
Software Developer
César believes good data allows organizations to be ahead of the competition by creating baselines, benchmarks, and goals based on evidence. He's an SQL Server certified .NET developer with 15 years of experience designing and building strategic data platforms that host huge amounts of data, solving problems, and supporting performance issues for companies from all over the world. You can trust César to maintain your data and translate it into a usable form via models, reports, and dashboards.
Portfolio
Experience
Availability
Preferred Environment
Windows
The most amazing...
...thing I've made is a metamodel and libraries in .NET capable of generating tabular models, views, documentation, and so on automatically in different languages.
Work Experience
Systems and Integration Analyst
Horizon Energy Group
- Designed, developed, and supported Power BI dashboards, SSRS reports, SSAS tabular and multidimensional models, and SSIS ETLs.
- Designed, developed, and supported web form applications and Access applications.
- Executed DBA tasks like backups management, creation of tables, views, indexes, stored procedures, tunning, migrations, and so on.
Software Developer
Vista Entertainment Solutions
- Modeled, developed, and deployed models to Azure of tabular SSAS with both DirectQuery and in-memory sources.
- Developed a metamodel and libraries in .NET capable to generate tabular models, views, analytic views, column store indexes, indexed views, and documentation of models.
- Designed and developed libraries for deploying models that had been translated to customers' languages.
Senior BI Developer
TEAM International
- Designed, developed, and deployed ETLs, reports, stored procedures, and BI solutions according to client specifications in the Microsoft platform for Imerys USA.
- Designed and developed .NET ( C#) and MVC applications with SQL Server and Telerik.
- Supported internal customers' requirements and requests.
BI Engineer Level II
Igerencia
- Designed a process that uses a user-given parametrization to automatically calculate complex operations among accounts.
- Led the design and development of a module that extends the functionality of Microsoft technology in order to manage the on-row security.
- Developed a tool that generates XML ETL code. This tool reduced about a month of development time to the team.
Junior Analyst
G2
- Designed and developed a data warehouse for market and customer analysis (SQL Server 2005, SSIS, SSAS, and SSRS).
- Generated reports for supporting market analysis operation tools (MySQL, PHP).
- Developed and supported Drupal functionalities and modules.
Master Student — Developer
Universidad Politécnica de Madrid
- Developed Java web services (REST) for Spanish and European research projects.
- Developed a test automation process in order to release new versions.
- Developed and researched on semantic web technologies (XML, XSLT, RDF, OWL, SPARQL, Jena, Virtuoso, and Protégé).
Software, Database, and Business Intelligence Consultant
Ingenio Soluciones Informaticas Ltda
- Developed software for projects for various customers.
- Developed business intelligence projects for different clients.
- Managed, tuned, and supported databases for a range of customers.
Software and Database Developer | Consultant
Freelance
- Changed a Cinemark web application in Colombia by including Ajax which resulted in a dramatic improvement in performance.
- Created a queued system that received SMS notifications, processed them, and gave a quick reply.
- Supported and maintained web applications and improved the performance.
Software Developer
Mareigua
- Supported and developed a Webform application in C#.NET.
- Developed and supported SQL Server 2005 databases and obtained the certification.
- Analyzed requirements and created designs according to customer needs.
Professional Project Assistant
University of Andes — LIDIE Research Group
- Built virtual learning environments to support university courses.
- Developed a project web page with functionality for storing and consulting all the virtual learning environments.
- Gathered requirements and designed solutions according to professor needs.
Software Developer
University of Andes — Admissions Office
- Managed, supported, and developed on the Banner platform, which stores grades, courses, schedules, and more for the university.
- Developed the admissions office web page in PHP and PostgreSQL.
- Participated and developed the customer side of models in Cognos.
Experience
Data Warehouse for Vista Entertainment
Education
Master's Degree in Artificial Intelligence
Polytechnic University of Madrid - Madrid, Spain
Master's Degree in Computer Engineering
University of Andes - Bogota, Colombia
Bachelor's Degree in Computer Science
University of Andes - Bogota, Colombia
Certifications
Data Analyst Associate
Microsoft
Certified Professional (MCP) SQL Server 2012
Microsoft
Certified IT Professional (MCITP) SQL Server 2008
Microsoft
Microsoft Certified Technology Specialist SQL Server 2005
Microsoft
Skills
Tools
SQL Server BI, Microsoft Power BI, TFS, Git, OpenLink Virtuoso, Protégé, IBM Cognos, Banner
Storage
SQL Server Integration Services (SSIS), SQL Server Reporting Services (SSRS), SQL Server Analysis Services (SSAS), SSAS Tabular, JSON, Azure SQL, MySQL, PostgreSQL
Paradigms
Business Intelligence (BI), Scrum, REST
Frameworks
MVC Razor, Kendo UI, ASP.NET, Jena Semantic Web Framework
Languages
Java, C#.NET, PHP, XML, RDF, OWL, SPARQL, C, VB.NET
Platforms
Windows, SAP HANA, Drupal, Oracle
Other
Machine Learning, Computer Vision, Semantic Web, OData, IIS, SAP BusinessObjects Data Service (BODS)
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