BI Developer

Leonardo Chacin

Fort Mill, SC ***** 803-***-**** ac8456@r.postjobfree.com

Summary

Business intelligence developer with great experience analyzing large data sets and creating and improving ETL solutions with different softwares. Knowledge of programing languages such as SQL, Python, and C#. Professional Experience

BI DEVELOPER CURVATURE MAY 2018 - PRESENT

· Collaborated closely with team members to create several Tableau reports for multiple teams within the company, including the executive team, by querying and modeling data.

· Analyzed large amounts of data and determined how it could be used towards the organization’s goals.

· Improved and developed a critical ETL solution using SAP Data Services (BODS) and SQL Server Integration Services (SSIS) by speeding its performance and by creating a validation process to ensure data integrity for over 50 tables with up to 60 million records, in some tables.

· Developed and automated multiple ETL solutions for departments across the organization using SSIS in most cases but also other tools such as Python's pyodbc and Pandas.

· Worked with a team in the creation and of a new Enterprise Data Warehouse (EDW) by testing several SSIS packages and testing the implementation of change data capture in a couple of databases and got firsthand knowledge of creating an EDW.

· Improved and maintained SQL Server Reporting Services (SSRS) reports on a local server, views, and stored procedures.

DATA ANALYST LONDON STOCK EXCHANGE GROUP JUNE 2017 - MAY 2018

· Optimized daily procedures by writing SQL queries that could be used by other members of the team.

· Quality assurance work for business partners.

· Analyzed and compared legacy data against newly collected data for updating the database.

· Provided customer support to corporate partners answering questions about the data being reported.

· Researched of public companies’ sustainability data used for FTSE4Good indices.

· Effective communication with business partners and co-workers. Programing Skills

PROGRAMING LANGUAGES

· T-SQL or SQL

· Python

· C#

DEVELOPMENT TOOLS

· Microsoft Visual Studio

· Microsoft SQL Server

· SAP Data Services

· Tableau

· Microsoft Office Suite

Certification

MICROSOFT TECHNOLOGY ASSOCIATE (MTA) SEPTEMBER 2017 Database Fundamentals

Education

BACHELOR OF BUSINESS ADMINISTRATION MAY 2017 WINTHROP UNIVERSITY Major: Computer Information Systems

Related Coursework: Computer Science and Mathematics Personal Project Additional Skills

INSTAGRAM PYTHON AUTOMATION

Added functionalities for data collection to an

existing interaction bot and shared on GitHub.

Also,wrote a new bot for automating media

uploads.

· Excellent communication skills

· Highly motivated and creative

· Quick and eager learner

· Fluent in Spanish

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