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weimo_j

Joanna

@weimo_j

Business Insights, Data Visualization

Chine
Anglais, Chinois
Certaines informations sont présentées en anglais.
À propos de moi
Data Analysis & Visualization Expert | Google Sheets, Excel & Tableau Hi, I’m Joanna Y., a Master’s-level data analyst experienced in turning complex data into clear, actionable insights. I help clients clean and organize datasets, automate workflows in Google Sheets and Excel, and build professional Tableau dashboards for effective visualization. I also provide data analysis and reports to support smarter business or research decisions. I focus on accuracy, clear communication, and reliable delivery. Let’s turn your data into real value — message me to get started.... Plus d’infos

Compétences

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weimo_j
Joanna
hors ligne • 
Temps de réponse moyen de 1 heure

Voir mes services

Tableaux de bord des données
I will analyze your business data and create stunning tableau dashboards
De30 $US / projetPlus de détails

Expérience professionnelle

Academic Tutor

Lumi Education • Temps partiel

Dec 2025 - Present • 5 mos

• Provide academic tutoring for international students in data analysis, statistics, and programming-related subjects. • Guide students through assignments, projects, and data analysis tasks using Python, R, Excel, and Tableau. • Explain analytical concepts clearly and help students structure reports and research methodologies. • Support students in improving problem-solving skills and achieving academic goals.

Inspection Development Engineer

Technology Group • Temps plein

Dec 2021 - Jul 2023 • 1 yr 7 mos

• Led hardware configuration and validation for machine-vision inspection systems, ensuring high-precision image data acquisition. • Optimized lighting and imaging parameters to improve image quality, reduce false detections, and enhance inspection reliability. • Collaborated with mechanical, electrical, and software teams to integrate inspection modules into automated production lines. • Monitored production inspection data, identified abnormal patterns, and supported root-cause analysis and closed-loop resolution. • Performed quality data analysis and defect tracing to improve product yield, process stability, and consistency. • Supported system debugging, maintenance, and operational optimization to ensure continuous and reliable production output.

Operations & Data Support

Chongqing Weizhi Technology Co., Ltd. • Temps plein

Jun 2020 - Oct 2021 • 1 yr 4 mos

• Maintained operational datasets and internal records, ensuring data accuracy and structured information management. • Assisted in workflow optimization and data standardization to improve operational efficiency and reporting consistency