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@ybautista
Flag of Peru Arequipa, Peru
Member since 2016年1月18日
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Yordan Bautista

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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: either a data warehouse, Hadoop data lake, or even an Excel spreadsheet. Experience, Skills & interests: [5+ years] - Substantial experience in Data Integration (ETL) and Data Warehousing projects using Talend Open Studio and SSIS. - Proven skills in Transact-SQL as a server-side programming language for both on-premises Microsoft SQL Server and Azure SQL Database service. [3+ years] - Hands-on experience working on cloud integration projects. Platforms: AWS, Microsoft Azure, and Google Cloud. - Strong command of object-oriented programming skills in Java with particular interest in Apache Hadoop and Web Services/APIs. [2+ years] - Developed expertise writing web scraping scripts in Python (Beautiful Soup, Selenium/PhamtonJS) - Hands-on experience writing Python scripts for financial data analysis (Pandas/Numpy libraries.)
$40 美元/小时
17条评论
5.4
  • 100%已完成工作
  • 100%预算内
  • 100%准时
  • 47%重复雇用率

Portfolio

最新评论

  • image of mandrone Project2.1 for ybautista $322.00 USD

    “Code is clean and commented. If my spec is vague, he asks the right questions for clarity. Careful thinker who understands the project, not just robotically programming. High quality, will hire again!”

  • image of ChrisMagic1 Project for ybautista $235.00 USD

    “Highly skilled developer”

  • image of mandrone Project for ybautista $115.00 USD

    “His code is well commented and very elegant. His communication is perfect. So easy to work with. Will hire again!”

  • image of lexi321 Project for ybautista £75.00 GBP

    “Hired again for second time. Great job done and good communication. Thanks”

  • image of Victor E. Project for ybautista $115.50 USD

    “I rehired Yordan for a webapp development, based on a previous work he made. Terrific job! He was able to solve issues and adjust things as required by the task. I hope we continue working together to develop a strong professional relation.”

  • image of lexi321 Extracting/scraping data to excel and adding some formulas £110.00 GBP

    “Very impressed with the work completed. He was very good to work with and very helpful. Would definitely hire him again and recommend him to others. Thanks again!”

经验

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.

教育

Master of Technology (Internet & Web Computing)

2011 - 2012 (1 year)

Bachelors of Systems Engineering

1999 - 2004 (5 years)

资质

  • US English Level 1
    98%

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