You will get Custom Data Transformation & Dashboards in Excel, PostgreSQL
Rising Talent
Rising Talent
Project details
I help businesses turn messy data into clear, actionable insights using Excel and PostgreSQL. Whether you're working with large datasets, CSV exports, or databases, I offer end-to-end data transformation, SQL cleaning, and Excel dashboard development to uncover trends, track KPIs, and support better decisions.
What I offer:
- Data cleaning and formatting (CSV, Excel, database exports)
- SQL-based transformations (joins, filters, aggregation, window functions)
- Merging multiple datasets for unified reporting
- Excel dashboards with slicers, filters, drill-downs, and forecasting
- KPI tracking, sales reporting, YoY growth, trend analysis
- Delivered in English or German
- PostgreSQL + Excel = powerful, BI solution
Packages:
- Basic: 1 dataset cleaned + 3 charts + basic Excel dashboard
- Standard: Up to 5 datasets, custom KPIs, SQL logic, and forecasting
- Premium: Full modeling, unlimited KPIs, advanced visuals, documentation
Let’s build a fast, flexible data solution tailored to your business. Please contact me before ordering to discuss your needs.
What I offer:
- Data cleaning and formatting (CSV, Excel, database exports)
- SQL-based transformations (joins, filters, aggregation, window functions)
- Merging multiple datasets for unified reporting
- Excel dashboards with slicers, filters, drill-downs, and forecasting
- KPI tracking, sales reporting, YoY growth, trend analysis
- Delivered in English or German
- PostgreSQL + Excel = powerful, BI solution
Packages:
- Basic: 1 dataset cleaned + 3 charts + basic Excel dashboard
- Standard: Up to 5 datasets, custom KPIs, SQL logic, and forecasting
- Premium: Full modeling, unlimited KPIs, advanced visuals, documentation
Let’s build a fast, flexible data solution tailored to your business. Please contact me before ordering to discuss your needs.
Data Tool
SQLWhat's included
| Service Tiers |
Starter
$60
|
Standard
$140
|
Advanced
$280
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 10 days |
Number of Revisions | 1 | 1 | 2 |
Source Code |
Optional add-ons
You can add these on the next page.
Fast Delivery
+$15 - $50
Additional Revision
+$25
Advanced Analytics
(+ 1 Day)
+$35Frequently asked questions
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KB
Kaltrina B.
Jun 9, 2026
Credit and Debit Card Data Collection - Spain
Excellent job and great quality of work. Would be happy to work together again!
About Andrea
Data analyst
Los Giles, Spain - 2:54 am local time
I am a dedicated Data Analyst with a BSc in Economics (Finance focus) and 5 years of international experience helping businesses turn raw data into clear, actionable insights.
I specialize in:
- Excel & Google Sheets, Tableua dashboards, templates, reports & automation
- PostgreSQL data cleaning & querying, data aggregation
- Data visualization & trend analysis (Tableau, Excel, Google Sheets)
- KPI tracking
- Bilingual project delivery (German & English)
With a strong background in finance and analytics, I design user-friendly dashboards, insightful reports, and custom data templates that support smart decision-making. Whether you're overwhelmed with messy spreadsheets or need a professional report to share with stakeholders — I’m here to help. Let’s connect and bring your data to life.
Deutsche Version:
Datenanalystin | Automatisierte Excel & Google Sheets, Tableau Dashboards | PostgreSQL Datenreinigung | Wirtschaftswissenschaften mit Schwerpunkt Finanz | (Deutsch & Englisch)
Ich bin ein engagierter Datenanalyst mit einem B.Sc. in Wirtschaftswissenschaften (mit Schwerpunkt Finanz) und 5 Jahren internationaler Erfahrung in der Analyse und Visualisierung von Daten.
Meine Schwerpunkte:
- Erstellung von Excel & Google Sheets, Tableau Dashboards, Berichten & Automatisierungen
- Datenaufbereitung & Abfragen mit PostgreSQL
- Visualisierung von Daten & Trendanalysen
- KPI-Auswertungen
- Projektumsetzung auf Deutsch oder Englisch
Ich helfe Unternehmen dabei, komplexe Daten verständlich und handlungsorientiert darzustellen – schnell, präzise und anwenderfreundlich. Lassen Sie uns gemeinsam Ihre Daten zum Leben erwecken.
Steps for completing your project
After purchasing the project, send requirements so Andrea can start the project.
Delivery time starts when Andrea receives requirements from you.
Andrea works on your project following the steps below.
Revisions may occur after the delivery date.
Step 1
Client purchases the project and sends requirements.
Step 2
We discuss the requirements.