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yuannan_python

Yuannan J.

@yuannan_python

Python Automation Developer

China
Chino, Inglés
Parte de la información aparece en idioma inglés.
Sobre mí
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.... Lee más

Habilidades

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yuannan_python
Yuannan J.
desconectado • 

Revisa mis servicios

Limpieza de datos
I will clean merge and format excel or CSV data with python
DeUSD 15 / proyectoMás información
Aplicaciones de escritorio
I will build a custom python desktop tool for batch file renaming
DeUSD 25 / proyectoMás información

Experiencia laboral

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.