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English
$
USD
I will do excel data cleaning, data wrangling, data visualization in python
Expert Backend Developer, Nodejs, MongoDB, RESTful APIs
Hi, I’m Arham Rumi, a backend developer with 3+ years of experience in Node.js, Express.js, MongoDB, PostgreSQL and AWS. I’ve built 20+ applications (web, mobile, desktop) and specialize in RESTful AP...
Level 2
Has met high performance criteria and has a proven track record for meeting client expectations.
About this Gig
Struggling with messy, unstructured, or inconsistent data?
I can help you clean, transform, and organize your data using Python, making it ready for analysis, reporting, or machine learning.
I'm a skilled Python developer with hands-on experience in data handling. I use libraries like Pandas and NumPy to efficiently process data from CSV, Excel, JSON, and databases.
What I Can Help You With:
Removing duplicates, empty rows, and irrelevant columns
Fixing data types and formatting issues
Handling missing values
Standardizing columns
Converting file formats
Parsing dates and time formats
Filtering or extracting specific rows/columns
Merging or splitting datasets
Data validation and consistency checks
Custom data transformation logic
And much more.
Why Choose Me?
Fast, reliable, and clean code
Script-based solutions for future reuse
️Detailed comments
Excellent communication
On-time delivery
100% satisfaction guaranteed
Supported File Types:
️️CSV
Excel
JSON
TSV
Text
Delimited Files
Databases
Lets turn your messy data into clean, structured, and valuable information.
Feel free to message me before placing your order to discuss your requirements.
My Portfolio
FAQ
How do you ensure data privacy and confidentiality?
I take data privacy and confidentiality very seriously. Your data will never be shared with anyone without your explicit permission. I'm also happy to sign a Non-Disclosure Agreement (NDA) upon request.
How long will it take to complete my project?
The turnaround time depends on the size, complexity, and specific requirements of your project. Once I understand the details, I will provide you with an accurate delivery estimate.
What is your pricing structure?
Pricing is based on the scope and complexity of the project. I offer fair and competitive rates, and I’ll provide a transparent quote after reviewing your requirements.
What is your revision policy?
I aim to deliver high-quality work on the first attempt. However, if revisions are needed, I’ll gladly make adjustments to ensure your satisfaction. The number of revisions may vary depending on the project’s scope, but I’ll always work with you to get the final result right.
Can you handle large datasets?
Yes, I can work with large datasets efficiently. Just let me know the size and structure so I can plan accordingly.
Do you provide data analysis or visualization too?
This gig focuses on data cleaning, but I can offer basic analysis or visualizations as an add-on. Message me to discuss your needs!
Will I receive the Python script used for cleaning the data?
Absolutely! If requested, I’ll provide the full Python script with comments so you can reuse or modify it as needed.
Will I get the cleaned data file after processing?
Yes, you'll receive the cleaned dataset in your preferred format, ready for use in analysis, reporting, or further processing.
What file formats do you support?
I work with most common formats including CSV, Excel (.xls, .xlsx), JSON, TSV, and database exports. If you have a different format, feel free to ask!
What do you need from me to get started?
Please share your dataset (CSV, Excel, JSON, etc.) along with a clear description of the issues you'd like me to fix—such as missing values, duplicates, formatting, or any custom transformations.
