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yuannan_python

Yuannan J.

@yuannan_python

Python Automation Developer

China
Chinees, Engels
Sommige informatie wordt in het Engels weergegeven.
Over mij
Hello! I am a Python developer and a PhD candidate in Control Science and Engineering. My services include Excel and CSV cleaning, data comparison, batch file renaming, PDF merging and page extraction, image resizing and format conversion, and custom desktop applications using Python and Tkinter. I focus on clear requirements, reliable validation, safe file handling, readable source code, and straightforward communication. Please message me before ordering so that we can confirm the input files, expected output, and project scope.... Lees meer

Skills

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yuannan_python
Yuannan J.
offline • 

Bekijk mijn diensten

Gegevens opschonen
I will clean merge and format excel or CSV data with python
VanafUS$ 15 / projectMeer informatie
Desktopapplicaties
I will build a custom python desktop tool for batch file renaming
VanafUS$ 25 / projectMeer informatie

Werkervaring

Self-Employed_/ Freelancer

Independent Python Developer

Self-Employed / Freelancer • Freelance

Aug 2026 - Present • 1 mo

Developed practical Python desktop tools for data and file-processing tasks, including Excel and CSV cleaning and comparison, batch file renaming, PDF merging and page extraction, image resizing and format conversion, and QR code generation. Built user-friendly interfaces with Tkinter and added input validation, error handling, preview functions, and safe output management. Focused on reliable operation, readable code, and clear documentation.