Grace Mukui

Grace Mukui

ETL/DW DEVELOPER

Fort Worth, Texas, United States.

About  

Over the years, I have learnt in order to succeed I have to attentively observe, interpret, and solve a problem because that is my passion. I am therefore passionate about this very important role being entrusted to me by you and stakeholders. Not only do I let my heart lead me but also, I am committed I will not rest till the job is done.

Hours Available / Wk - 40 hrs

Portfolio 

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Small Business Doing Business with Federal Government

Federal contracting can facilitate an exponential growth to a small business not just large company.... ... More

Employment History 

  • ETL/DW DEVELOPER

    COLABERRY INC
    March 2018 - Present

    • Gathered business requirements, definition and design of data source and data flows.
    • Performed data extraction, transformation, and loading (ETL) between systems using SQL tools such as SSIS.
    • Analyzed source system data to determine the data model and ETL solution that will meet business requirements.
    • Designed and Created complex SSIS packages using various transformations and tasks like Sequence Containers, Script, for loop and For Each Loop Container, Execute SQL/Package, Send Mail, File System, Conditional Split, Data Conversion, Derived Column, Lookup, Merge Join, Union All, flat file source and destination, OLE DB source and destination, excel source and destination etc.
    • Used SSIS to create ETL packages to validate, extract, transform and load data to data warehouse databases.
    • Created SSIS packages to load customer information from a flat file, excel and Json using SSIS
    • worked on managing ETL processes by pulling large volumes of data from OLTP to a staging Database using SSIS for data transformation.
    • Worked on SSIS performance tuning using counters, error handling, event handling, re-running of failed SSIS packages using checkpoints.
    • Troubleshooting within SSIS Packages to improve performance