Mario L.
Sao Goncalo, Brazil
100%
Job Success
Top Rated Plus
Analytics Developer | SSIS, Power BI, Qlik & Sisense
$45.00/hr
Professional with a graduate degree in Intelligent Decision Support Systems, specializing in dashboards, data modeling and integration for various industries such as digital marketing, retail, medical research, finance, logistics, telecom, and insurance.
Skilled in performance measurement, customer preference analysis, and operational optimization. Proficient in Ralph Kimball's data warehousing methodology, developing tailored dimensional data models for reports and dashboards and logistic regression models for email marketing enhancement.
Familiar with reporting tools like Microsoft Power BI and database systems such as Azure SQL and SQL Server Integration Services (SSIS). Collaborates with stakeholders to translate complex data into actionable insights for strategic decision-making, driving business growth.
SKILLS
• Programming Languages: SQL, Python
• Databases & Storage: Google BigQuery, Snowflake, Oracle, PostgreSQL, AWS Redshift, Azure SQL, MySQL, SQL Server Database
• Data Tools: Dbt, Azure Data Factory, Fivetran, DAX, SQL Server Integration Services, SQL Server Analysis Services, Alteryx, Fivetran, Stitch
• Visualization Tools: Metabase, Power BI, Looker, Sisense, Qlik Sense, Cognos Analytics, Zoho Analytics
• Cloud: GCP, AWS, Azure
• Others: SQL Server Reporting Services
Work history
Work history
SQL Server Developer
Mar 14, 2022
-
Nov 1, 2024
5.00
"Mario helped us implement a wide array of requirements for our clients. He was able to pick up and run with these as well as being self sufficient throughout. I…
Private earnings
BI/ Analytics analyst - part time
May 2, 2024
-
Jul 15, 2024
No feedback given
Private earnings
Dashboard development with Sisense
5.00
of 2 reviews
Nov 17, 2020
-
Apr 7, 2024
5.00
Private earnings
Individual portfolio report
Jan 10, 2022
-
Feb 16, 2022
5.00
"A++ would upwork again. Mario is a gun with GDS and fantastic at solving problems. Would not hesitate to use him for any of our next projects."
Private earnings
SSRS report developer
May 28, 2020
-
Nov 25, 2021
5.00
Private earnings
Need a developer to discuss data warehouse set up and then implement it
Jul 13, 2020
-
Nov 9, 2021
5.00
"Fantastic to work with!"
Private earnings
Data Analyst for FinTech Startup
Nov 26, 2019
-
Oct 14, 2020
5.00
"Mario's work has been incredibly helpful. He helped us write queries in SQL for various reports. The work done had high quality and was delivered on time. We highly recommend…
Private earnings
Looking for data warehouse developer on Azure
Nov 12, 2018
-
Sep 11, 2020
4.70
"Mario was an excellent consultant. Really appreciate his great work and help."
Private earnings
Business intelligence dashboard development, Data Visualization & SQL
Apr 11, 2018
-
Jun 13, 2020
5.00
"Mario was big help building out complex business intelligence dashboards for us using SQL, and validating them against 3rd party data sources to find and identify issues."
Private earnings
Dashboard Reports for Salon Product Sales Scheduling System
Mar 27, 2020
-
Apr 13, 2020
4.65
Private earnings
SQL Server Developer
Jan 24, 2025
-
Present
Job in progress
Private earnings
BI Engineer for Qlik Reporting
May 20, 2024
-
Present
Job in progress
Private earnings
Google Data Studio Dashboard development
Oct 16, 2020
-
Present
Job in progress
Private earnings
Basic BI Reporting Set-Up
Jun 15, 2020
-
Present
Job in progress
Private earnings
Google Data Studio artist needed to create dashboards
Oct 1, 2019
-
Present
Job in progress
Private earnings
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Skills
Skills
- Sisense
- Qlik Sense
- Pentaho
- Data Warehousing
- ETL
- Data Visualization
- Microsoft Power BI Data Visualization
- Data Integration
- Looker Studio
- SQL Programming