Badr Belrhouche

Badr Belrhouche

B I S P E C I a L I S T
Netherlands
Dutch, Arabic, English, French

About Me

Dynamic and result Business Intelligence Professional with more than 6 years of experience in the analysis, design, development of datawarehouse using , SQL, ETL and RDBMS tools. Flexible person with the ability to work …

Experience

Business intelligence specialist

KLM, Amstelveen
Nov 2021 - Present · 4 years 8 months

Extensively involved in requirements gathering, writing ETL specifications and drafting design documents.
Determine for each field of the source system what the corresponding field is in the target system.
Dimensional data modeling performed using the Kimball methodology to introduce new data sources/data lake in the data warehouse.
Developed ETL packages for cleaning, data integration, transformation and incremental load in the data warehouse using Microsoft SSIS.
Responsible for maintaining SSI's ETL, QA, production data warehouse and BI reporting environments.
Designed process to upload/download files from SQL to a secure FTP server/site.
Scheduling the tasks to run the saved SSIS packages, which are designed to update the database on a daily basis using SQL server agent.

Business Intelligence Developer

KLM
Nov 2021 - Present · 4 years 8 months

• Extensively involved in requirements gathering, writing
ETL specifications and drafting design documents.
• determine for each field of the source system what the corresponding field
is in the target system.
• Dimensional data modeling performed using the
Kimball methodology to introduce new data sources/data lake in the
data warehouse.
• Developed ETL packages for cleaning, data integration, transformation
and incremental load in the data warehouse using Microsoft SSIS
• Responsible for maintaining SSI's ETL, QA,
production data warehouse and BI reporting environments.
• Designed process to upload/download files from SQL to a
secure FTP server/site.
• Scheduling the tasks to run the saved
SSIS packages, which are designed to update the database on a daily basis
using SQL server agent.

Business intelligence specialist

Antoni van Leeuwenhoek Ziekenhuis, Amsterdam
Dec 2020 - Oct 2021 · 10 months

Creating t-SQL scripts, which generated tables and relationships, based on the final er diagram.
Implementation of the temporary tables, indexes, execution plan, resolve of the problem with sniffing parameters to query queries optimize.
Designing the data mart using a bottom-up approach with modeling of star schemes based on datavault layer.
Identification of the source, destination, staging area by ETL strategy and performed data cleaning and data profiling.
Designing the ETL mapping document per business requirement using FRD document.
Identifying and maintaining the SCD and role-playing dimension during designing the data mart.
Developing dashboard per department with associated KPIs in Tableau.

Business intelligence specialist

Tot Maandag, Amsterdam
Mar 2019 - Dec 2020 · 1 year 9 months

Developing a Data Warehouse from scratch in the Microsoft Stack.
Apply analytics such as product mapping, tunnel, funnel, validation and conversion.
Dimensional Modeling.
Developing executive dashboard in Powerbi to display all branches in the better understand and govern the country.

Data analyts

Sogeti, Vianen
Jan 2017 - Dec 2018 · 1 year 11 months

Build and maintain the self-service BI applications that will collaborate with data warehouses and other BI solutions.
Collaborate within and between development and project teams in a fast work environment, using agile BI design.
Experience working with data extraction packages and the generating reports for business users.
Ensure architectural goals are met at all development projects and participate in activities of the development lifecycle, including estimation, coding, unit testing, implementation and maintenance.
Participate in the development lifecycle activities, including estimation, coding, unit testing, implementation and maintenance.
Collaborate with key developers to create a

Skills

Integrated Business Intelligence Cognos Structured Query Language (SQL) T SQL Data Model Data Repository Microsoft SQL Server SQL Server Integration Services (SSIS) SQL Server Reporting Services (SSRS) Power BI QlikView Tableau Python SSAS SSRS Modelling PowerBI T-SQL DAX SCALA Microsoft Azure ETL RDBMS Data Warehousing Scrum Agile Kimball methodology Data Integration Data Cleaning Data Profiling SQL Server Agent FTP Data Lake Data Mart Star Schema Data Vault SCD KPI Reporting Dashboard Development Requirements Gathering Technical Documentation Report Generation Unit Testing Implementation Maintenance Estimation Communication
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