Freelancer profile translated to English.
Back to original languageAbout Leidy Johana
Data engineer, passionate about data analysis, design, implementation, and exploitation.
I have over 13 years of experience implementing data flow solutions with BI, Big Data, and Data Analytics tools. This experience allows me to add value to the projects I participate in by generating scalable and secure ideas and solution alternatives.
Spanish
Native or bilingual
English
Conversational
Remote only
Primarily works remotely
Experience
- AxpeData EngineeringBANKING AND INSURANCEAugust 2023 - Today (2 years and 9 months)Valencia, SpainDefinition of software standards and best practices for building data lake solutions.Design and implementation of ETL workloads with Apache Spark.Development of optimized queries on structured (SQL) and unstructured data using PySpark.Development of DML queries in relational databases (RDBMS) such as: Oracle 11g+, SQLServer 2016+, PostgreSQL, Sybase, MySQL, and others.Construction of automation tasks for data ingestion using shell scripting and Python applications.
- Grupo BancolombiaSenior Data EngineerBANKING AND INSURANCEApril 2015 - June 2023 (8 years and 2 months)Medellín, Medellin, Antioquia, ColombiaDesign and implementation of batch and Near Real Time (NRT) data pipelines in the data lake (Cloudera Hadoop).Definition of software standards and best practices for building data lake solutions.Responsible and tech lead in the maintenance, evolution, and support of data pipeline-oriented applications.Design, implementation of business intelligence (BI) workloads.Design and implementation of batch and real-time data ingestion using Informatica Cloud (IICS) on Cloud Data Integration (CDI).Design and implementation of ETL workloads on PowerCenter and Informatica Admin Task.Development of optimized queries on structured (SQL) and unstructured data using PySpark.Development of DML queries in relational databases (RDBMS) such as: Oracle 11g+, SQLServer 2016+, PostgreSQL, Sybase, MySQL, and others.Construction of automation tasks for data ingestion using shell scripting and Python applications.Creation of analytical reports for end-users using Microsoft Power BI.Design and implementation of ETL workloads in IBM Infosphere Suite (DataStage, Quality Stage, and others).Development of scripts and applications to query NoSQL databases such as: Mongo and DynamoDB.Construction and deployment of CI/CD (Continuous Integration and Continuous Deployment) pipelines with Azure DevOps, using Git CLI.Documentation of software architecture with C4 and UML models.
- TeamCloudSoftware EngineerJanuary 2014 - May 2015 (1 year and 4 months)Medellín, Medellin, Antioquia, ColombiaDevelopment of Web applications with Angular, TypeScript, and CSS3. Backend development with Laravel PHP.
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Education
- Information Systems EngineerInstitución Universitaria ITM2014Ingeniera en sistemas de información
Certifications
- AWS Cloud PractitionerAWS2021