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$35 USD / hour
Flag of ARGENTINA
mendoza, argentina
$35 USD / hour
It's currently 2:55 PM here
Joined October 7, 2020
0 Recommendations

Gaston R.

@gastonrosselot

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5.0 (28 reviews)
5.8
5.8
$35 USD / hour
Flag of ARGENTINA
mendoza, argentina
$35 USD / hour
97%
Jobs Completed
90%
On Budget
90%
On Time
17%
Repeat Hire Rate

Power BI | Google Data Studio | SQL

✅ 10+ years of experience working on BI projects ✅ 70+ projects completed in online marketplaces ✅ Degree in Computer Science ✅ Master Degree in Software Engineering I provide business intelligence solutions, including interactive dashboards, business modeling, application development and data analysis to improve business performance I have a strong background in databases and programming tools, since I graduated in Computer Science and have worked as BI Analyst, ERP Consultant and Oracle DBA. My core strengths include: ☑️ Data Extraction/Cleaning (ETL) ☑️ Data Automation ☑️ Dashboard development ☑️ Microsoft Power BI ☑️ Google Data Studio Development ☑️ Oracle OBIEE Development ☑️ Data Analysis ☑️ Report Design and Visualization ☑️ Data Modeling and Design ☑️ SQL, SSIS, PostgreSQL, MySQL, Oracle ☑️ DAX, M programming Keep the warranty, always available and fast response.
Freelancer Power BI Consultants Argentina

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Portfolio Items

Analysis of how campaigns and sales work together evidenced by correlation on Power BI graphs.
Marketing Campaign Analysis
Analysis of how campaigns and sales work together evidenced by correlation on Power BI graphs.
Marketing Campaign Analysis
Calculation of standard graph metric PageRank and connected components project using breadth-first-search method.
PageRank and connected components algorithms
Calculation of standard graph metric PageRank and connected components project using breadth-first-search method.
PageRank and connected components algorithms
Key Performance Indicators that communicates the amount of progress made toward a measurable goal.
Power BI Dashboard Video
Oracle OBIEE dashboard
Sales by manager and product category with many drill down levels.
Oracle OBIEE Sales dashboard
Oracle OBIEE dashboard
Sales by manager and product category with many drill down levels.
Oracle OBIEE Sales dashboard
Oracle OBIEE dashboard
Sales by manager and product category with many drill down levels.
Oracle OBIEE Sales dashboard
Oracle OBIEE dashboard
Sales by manager and product category with many drill down levels.
Oracle OBIEE Sales dashboard
We can observe a high positive correlation (0.9) between 
accurate crosses percent (% Centros) and accurate pass to penalty area percent (% pases al area). 
Like these two, there are also other influential factors in the analysis of the player attributes
Soccer players correlation heatmap
Performance and time KPI tracked in Google Data Studio.
Google Data Studio Dashboard
Performance and time KPI tracked in Google Data Studio.
Google Data Studio Dashboard
Performance and time KPI tracked in Google Data Studio.
Google Data Studio Dashboard
Performance and time KPI tracked in Google Data Studio.
Google Data Studio Dashboard

Reviews

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Showing 1 - 5 out of 27 reviews
Filter reviews by: 5.0
$50.00 USD
Great work!
Visualization Power BI
D
Flag of Daniel A. @dassefa
6 months ago
5.0
$230.00 USD
He is a data analytics expert
Data Analysis Google Data Studio
User Avatar
Flag of Carla R. @CarlaRodJung
6 months ago
5.0
$30.00 USD
Gaston did a great job! He was very professional and delivered an amazing work! I highly recommend him!
Database Programming Data Cleansing Continuous Integration Data Integration
+1 more
M
Flag of Mill L. @mill44
6 months ago
5.0
$30.00 USD
excelente profesional
Microsoft PowerBI
User Avatar
Flag of Edwin A. @recursoshe
8 months ago
5.0
€500.00 EUR
Muy buen profesional. Sabe lo que hace. Volveremos a trabajar con el.
Data Processing Data Mining Big Data Sales Data Extraction Data Analysis
L
Flag of Enrique D. @Lasertam
9 months ago

Experience

IT Consultant

IT Consultant
Jan 1991 - Present
Full-time consultant

Education

Master's degree in Software and Knowledge Engineering

Universidad Politécnica de Madrid, Spain 1997 - 1999
(2 years)

Bachelor's degree in Computer Science

Universidad de Mendoza, Argentina 1991 - 1997
(6 years)

Qualifications

Data Visualization

Kaggle
2021
Micro-course in data visualization using matplotlib and seaborn. https://www.kaggle.com/learn/certification/gastonrosselot/data-visualization

Oracle Certified DBA

Oracle University
2002
Oracle Certified DBA

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Certifications

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Top Skills

Power BI 22 Data Processing 17 SQL 13 Database Development 10 Data Analysis 4

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