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yu zhao
@zimmern_zhao
Java and Python Developer, APIs, Automation and Data
China
Chinesisch
Über mich
Hi! I'm a software developer with a Java and enterprise background, helping clients build reliable backends and automate repetitive work.
What I do best:
☕ Java & Spring Boot — REST APIs, bug fixes, backend dev
🐍 Python automation — Excel, CSV cleaning, reports
🗄️ Data processing — clean, merge, analyze your data
Why work with me:
I take responsibility — if it breaks, I fix it
Free testing on your sample files first
Clean, commented code you can re-run anytime
Quick replies, usually within 1 hour
Let's get it done.
Kompetenzen
yu zhao
offline •
Durchschnittliche Antwortzeit: 1 Stunde
Meine Dienstleistungen
Scripting
I will automate your excel and csv tasks using python script
Übersetzung
I will provide professional native english to simplified chinese translation
Portfolio
Arbeitserfahrung
Java Developer - WeChat Mini-Program
Self Employed • Teilzeit
Oct 2024 - Present • 1 yr 9 mos
Developed WeChat Mini-Program features for business clients as a freelance developer. Built practical office functions including meeting minutes, staff check-in/attendance, and approval workflows. Experienced in turning real business requirements into clean, working software.
Freelance Python Automation Developer
Freelance Web Designer • Selbstständig
Dec 2024 - Apr 2026 • 1 yr 4 mos
Built custom Python automation tools for small businesses and freelance clients. Specialties include multi-sheet Excel report generation, large-scale file organization, CSV data cleaning, and workflow automation. Delivered 6+ production-ready projects saving clients 10+ hours per week.
Java Developer - ERP Systems
Factory • Vollzeit
Dec 2017 - Aug 2024 • 6 yrs 8 mos
Designed and developed enterprise ERP systems for a textile manufacturing company over 6 years. Built and maintained core modules including HR, finance, and logistics management. Responsibilities covered backend development with Java, database design, business logic implementation, and system maintenance for daily production use. Focused on building reliable, maintainable systems for real business operations.
