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$40 USD / hour
Flag of ARGENTINA
mendoza, argentina
$40 USD / hour
It's currently 4:10 PM here
Joined October 7, 2020
0 Recommendations

Gaston R.

@gastonrosselot

verified.svg
preferred-freelancer-v2.svg 5.0 (30 reviews)
5.9
5.9
100%
100%
$40 USD / hour
Flag of ARGENTINA
mendoza, argentina
$40 USD / hour
97%
Jobs Completed
90%
On Budget
90%
On Time
16%
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.
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Portfolio

8938569
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
8893518
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
8286979
Key Performance Indicators that communicates the amount of progress made toward a measurable goal.
Power BI Dashboard Video
7489402
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
8804846
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
7489535
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
8938569
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
8893518
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
8286979
Key Performance Indicators that communicates the amount of progress made toward a measurable goal.
Power BI Dashboard Video
7489402
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
8804846
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
7489535
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 29 reviews
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5.0
€360.00 EUR
Generar reportes Power BI en español con datos de empresa de 2022
Very good job delivered on time
Excel
Power BI
Spanish Tutoring
N
Flag of Natalia P.
@NatPerz
•
1 year ago
5.0
€100.00 EUR
Project for Gaston R. -- 3
Gaston was able to resolve a challenging situation regarding time intelligence DAX formulae.
Data Processing
SQL
Database Development
Data Analysis
+1 more
F
Flag of Francesco R.
@FraRut
•
1 year ago
5.0
$50.00 USD
Power BI DAX
Great work!
Visualization
Power BI
D
Flag of Daniel A.
@dassefa
•
2 years ago
5.0
$280.00 USD
DataStudio formula
He is a data analytics expert
Data Analysis
Google Data Studio
User Avatar
Flag of Carla R.
@CarlaRodJung
•
2 years ago
5.0
$30.00 USD
Project 34321380 has been deleted
Gaston did a great job! He was very professional and delivered an amazing work! I highly recommend him!
M
Closed User
@mill44
•
2 years 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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Verifications

Preferred Freelancer
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Certifications

preferredfreelancer-1.png Preferred Freelancer Program SLA 1 100%

Top Skills

Power BI 24
Data Processing 18
SQL 14
Database Development 11
Data Analysis 5

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