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yuannan_python

Yuannan J.

@yuannan_python

Python Automation Developer

China
Chinesisch, Englisch
Einige Informationen werden in englischer Sprache angezeigt.
Über mich
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.... Mehr lesen

Kompetenzen

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yuannan_python
Yuannan J.
offline • 

Meine Dienstleistungen

Datenbereinigung
I will clean merge and format excel or CSV data with python
Ab15 $ / ProjektWeitere Details
Desktop-Anwendungen
I will build a custom python desktop tool for batch file renaming
Ab25 $ / ProjektWeitere Details

Arbeitserfahrung

Self-Employed_/ Freelancer

Independent Python Developer

Self-Employed / Freelancer • Freiberufler

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.