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alston_hermans

Alston Hermans

@alston_hermans

Turning Messy Data into Clear Results

China
English
About me
I am a data engineer specializing in Python-based data processing and automation. I help clients clean, organize, transform, merge, and analyze data from Excel, CSV, JSON, and databases. My services include data cleaning, duplicate removal, missing-value handling, format conversion, batch processing, custom scripts, and workflow automation. I focus on accuracy, clear communication, data confidentiality, and on-time delivery. Whether you need a one-time data task or a reusable automated solution, I will provide a practical and reliable result tailored to your requirements.... Read more

Skills

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alston_hermans
Alston Hermans
Offline • 

See my services

Automations
I will clean process merge and automate your excel CSV or json data
From$10 / projectMore details

Work experience

Self_Employed

Data Engineer – Personal Projects

Self Employed • Self-employed

Jul 2026 - Present • 3 mos

Built personal and academic data projects using Python and Pandas. Cleaned, transformed, merged, and validated Excel, CSV, and JSON datasets. Created reusable scripts for duplicate removal, missing-value handling, format conversion, batch processing, and simple workflow automation. Focused on accuracy, clear documentation, and reproducible results.