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I will clean, merge, and format your messy excel, CSV, or json data using python

Sri Lanka

I speak English, Sinhala

ML and Quality Automation Engineer

Hi, I’m Yasiru, an AI & Machine Learning Engineer specializing in data analysis, intelligent automation, and ML-driven solutions using Python/ C++/ Java. I have international industry experience from ...
About this Gig

Fast, Accurate Data Cleaning by an Experienced Engineering Graduate


Do you have messy data that is holding up your project? Stop wasting hours fixing Excel rows manually. I am a Data Science and AI Engineering graduate and data specialist. I use Python (Pandas)/ Advanced tools to clean your data programmatically which means zero human error and lightning-fast delivery.


I specialize in fixing "Broken" Data:

  • Format Issues: Converting messy PDFs to Excel, or JSON to CSV.
  • Cleaning: Removing duplicates, fixing bad dates, splitting "First Name/Last Name," and handling missing values.
  • Tech Data: Cleaning scraped web data, fixing tags, or formatting datasets for Machine Learning.
  • Merging: Combining multiple Excel sheets into one master file.


Why hire an Engineer for a $10 task?

  • Speed: I use scripts, not manual typing. I can process 10,000 rows in minutes.
  • Accuracy: I run validation checks to ensure 100% consistency.
  • Transparency: You get a detailed "Before & After" report.


My Promise: I apply deep statistical knowledge to every project, ensuring your data is not just clean, but mathematically accurate and ready for analysis, so I will treat your small task with VIP priority.

Technology:

Excel

OpenRefine

Power BI

SQL

Jupyter Notebook

Industry:

Education

Financial services & business

Data type:

Numeric

String

Date

Free text

Custom