Ángel quintanilla

Lead retail company in all Central America.

● Led the implementation of the new pos system using java, Unix, oracle, by upgrading the system to the version, through this the company will increase their sales channels and sales by 50%.

● Provided guidance to the qa team teaching how to test the changes and valid the outcomes in the different scenarios

● Defined requirements in conjunction with the business to take in considerations the business goals and avoid delays

● Assisted in mapping a technology process to meet business needs, evaluating, and refining that process, and serving as a liaison between the department and business, supporting escalated production issues, evaluating, and performing root cause analysis to determine the best resolution.

● Communicate with the providers to assure the best quality in the project through detecting fails, define new requirements by leading negotiations with the different providers

● Guaranteed the best standards and clean implementation for the software by reducing the risks associated with the project and reviewing the code in java to the developers in order to ensure the quality of the deliveries.

Tools: Microsoft Project, Java, oracle, and Unix

● Consultancy on software implementation through defining Business requirements, custom software development, programming of components in different languages, business plans definition using python , AWS, Java, .net , Sql Server, MySQL, Oracle

● Defined the architecture in AWS for business requirements of processing of data, the pipelines and deploy of docker images using services: S3, lambda , redshift, kinesis, Dynamo, Glacier, Glue, Quicksight ● Designed, builded and supported scalable, highly available data pipelines

● Presented reports and findings with tableau/ matplotlib to take strategic decisions to C Level by processing of the data with Pyspark, Hadoop, hive creating machine learning models from different sources in order to propose recommendations to the business

● Taught Python programming in Codementor to get it jobs

Tools: Microsoft Project, .net, Sql Server, python, pyspark , flask, hadoop, hive, java, MySQL, Mongo ,Oracle, Dynamo, AWS, PostgreSQL, GitHub, Tableau

● Led the implementation of business intelligence projects using Sql Server, Cognos for different customers of the company, through managing business intelligence developers, making technical proposals to the stakeholders, definition of work plans, accompaniment during the implementation process to guarantee the fulfillment of the projects using the last technologies of IBM with contracts of more than $5 millions of dollars with improvements of 50% in the client processes ● Defined dashboard and reports using Cognos for Director to take decisions about the roadmap of the taxes ministry of El Salvador through the creation of ETL process, data models. Communicate to the stakeholders on the client and internal side of the company the possible conflicts in the development of the project ● Provided the definition of architecture for the implementation of the new version: servers, resources, etc.; by defining the different resources needed to build the cube, adopting and applying appropriate technical and quality strategies and standards achieving saving cost at 35% ● Reviewed and analyzed existing ETL processes as well as external sources in order to make the necessary modifications and define the best architecture to the implementation ● Developed, implemented, and maintained ETL processes, transforming provided data using appropriate manipulation techniques, and loading it into the Star schema ● Implemented data validation and data quality checks during the ETL process to ensure accuracy, consistency and completeness of the data. Identified and resolved data quality issues in collaboration with the data analysts and strategic operations teams ●Analyzed and organized data raw to cleaning and incorporate in the workflow across the company ● Created charts, kpi, metrics optimizing the performance to complete business goals defined for the Directors Tools: Microsoft Project, Trello, Sql server, Cognos, Integration services