y
yuannan_python

Yuannan J.

@yuannan_python

Python Automation Developer

Cina
Cinese, Inglese
Alcune informazioni sono riportate in lingua inglese.
Chi sono
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.... Continua a leggere

Competenze

y
yuannan_python
Yuannan J.
offline • 

Consulta i miei servizi

Pulizia dei dati
I will clean merge and format excel or CSV data with python
A partire da15 USD / progettoMaggiori dettagli
App desktop
I will build a custom python desktop tool for batch file renaming
A partire da25 USD / progettoMaggiori dettagli

Esperienza lavorativa

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.