Profile image of ybautista
@ybautista
Flag of Peru Arequipa, Peru
Member since January 17, 2016
1 Recommendations

ybautista

Online Offline
I develop software you can use to get the most out of your data, by pulling it out from your data sources, and putting it in a format ready for analysis: Data Warehouse, Hadoop data lake, AWS S3 storage, or Excel. Experience, Skills & interests: [3+ yrs] - Developed expertise building web scraping solutions using Python (Beautiful Soup, Selenium/Chrome headless), and Django/Celery/Redis as backend - Hands-on experience writing Python scripts for Algorithmic trading and financial data analysis (Pandas/Numpy/Ta-lib.) [4+ yrs] - Hands-on experience working on cloud integration projects Platforms: AWS/Microsoft Azure/Google Cloud - Strong command of object-oriented programming skills in Java with particular interest in Apache Hadoop and Web Services/APIs [5+ yrs] - Substantial experience in Data Integration (ETL)/ Data Warehousing projects using Talend Open Studio - Proven skills in Transact-SQL as a server-side programming language for both on-premises SQL Server & Azure SQL Database.
$50 USD/hr
27 reviews
5.9
  • 100%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • 35%Repeat Hire Rate

Portfolio

Recent Reviews

Experience

Data Warehouse Developer

Dec 2011 - Jun 2015 (3 years)

- Design of dimensional data models (star schema) - Design of physical databases for data warehouses - Design and development of ETL processes using Talend Open Studio for Data Integration - Development of T-SQL stored procedures and functions for BI reporting, custom SQL scripts for aggregates rebuild and bulk data load, as well as SQL views and queries (ad-hoc.) - Implementation, deployment and maintenance of DW/BI applications running on Amazon Web Services and Windows Azure infrastructure.

Analyst Programmer

Feb 2007 - Jul 2011 (4 years)

- Development of SSIS packages to allow integration between third-party Payroll system and SAP FI/CO modules for financial closing process. - Development of SSIS packages to extract and integrate sales and financial information from SAP SD and FI modules, and delivering it in an Excel workbook. - Process integration between in-house applications and SAP master and custom data through SSIS connections between SQL Server and SAP system.

Education

Master of Technology (Internet & Web Computing)

2011 - 2012 (1 year)

Bachelors of Systems Engineering

1999 - 2004 (5 years)

Certifications

  • US English Level 1
    98%

Verifications

  • Facebook Connected
  • Preferred Freelancer
  • Payment Verified
  • Phone Verified
  • Identity Verified
  • Email Verified

My Top Skills

Browse Similar Freelancers