You will get a clean, analysis-ready dataset with full documentation
Project details
I will clean, fix, and structure your messy Excel or CSV data using SQL, Python, and Excel — turning raw, inconsistent datasets into clean, reliable files ready for analysis, reporting, or further processing.
Whether your data contains missing values, duplicates, formatting issues, inconsistent structures, or mixed languages, I will carefully clean and standardize everything. Every delivery includes a full audit report documenting exactly what was changed, removed, or fixed — nothing is done silently.
What sets this apart:
• Real project experience with 199,000+ row datasets
• Full documentation of every cleaning decision
• Clean output tested and validated before delivery
• Fast turnaround with clear communication throughout
Tools: SQL · Python (Pandas) · Excel
Whether your data contains missing values, duplicates, formatting issues, inconsistent structures, or mixed languages, I will carefully clean and standardize everything. Every delivery includes a full audit report documenting exactly what was changed, removed, or fixed — nothing is done silently.
What sets this apart:
• Real project experience with 199,000+ row datasets
• Full documentation of every cleaning decision
• Clean output tested and validated before delivery
• Fast turnaround with clear communication throughout
Tools: SQL · Python (Pandas) · Excel
What's included
| Service Tiers |
Starter
$50
|
Standard
$120
|
Advanced
$250
|
|---|---|---|---|
| Delivery Time | 2 days | 4 days | 7 days |
Number of Revisions | 1 | 2 | 3 |
Optional add-ons
You can add these on the next page.
Additional Revision
+$10
Express Delivery
+$20Frequently asked questions
About Gabriela
Data Analyst | Helping Businesses Make Smarter Decisions with Data
Varna, Bulgaria - 1:42 am local time
I specialize in end-to-end data work: from raw, messy inputs all the way to clean databases, rigorous analysis, and business-ready dashboards. My core tools are SQL (SQL Server, MySQL, PostgreSQL), Python (Pandas, Matplotlib, BeautifulSoup), Power BI, and Tableau.
What I can do for you:
- Build and automate ETL pipelines that turn raw files or web data into structured, reliable databases
- Clean and validate datasets with full documentation of every fix
- Perform exploratory analysis that surfaces actionable patterns — not just numbers
- Design interactive dashboards in Power BI or Tableau that make decisions obvious
My recent projects include a full 4-stage pharmaceutical data platform (ETL → Cleaning → EDA → Tableau dashboard across 21,000+ medicines) and a Bulgarian real estate platform built on 199,000+ scraped listings — both available on my GitHub and portfolio.
I'm based in Bulgaria, work remotely, and bring the precision of a pharmacist and the market intuition of a real estate professional to every dataset I touch.
Steps for completing your project
After purchasing the project, send requirements so Gabriela can start the project.
Delivery time starts when Gabriela receives requirements from you.
Gabriela works on your project following the steps below.
Revisions may occur after the delivery date.
Review and assess your dataset
I examine your file for nulls, duplicates, formatting issues, and inconsistencies, then confirm scope before starting.
Clean and standardize the data
I fix all identified issues — removing duplicates, handling nulls, correcting data types, and standardising formats.