Open to opportunities

Mandy Wu

@sinyeemw

Message

AI/ML | Data & Business Analytics | Annotation | Strategy

Hong Kong

Message

What I'm looking for

Seeking remote opportunities in Data Analytics, Machine Learning, or Business Intelligence roles that:

• Foster continuous learning and professional development

• Require both technical expertise and business acumen

Where I create value

Production-grade ML systems
• RetinaGuard AI: an automatic diabetic retinopathy detector. The system utilises a custom PyTorch CNN for evidential uncertainty quantification, lesion-aware attention, and clinical-grade preprocessing. 92%+ accuracy, < 50 ms inference on edge GPUs
Enterprise-grade BI architecture
• Ingest raw sources → ETL/ELT pipelines (Databricks Delta Live Tables, Spark SQL) → Gold-layer datasets → data modelling → optimisation → dashboards.
• Orchestrated Azure ML → Databricks → Tableau flow to serve live ML recommendations to marketing teams (99.8 % uptime)
Diagnostic analytics & data visualization
• Root-cause deep dives: 2 M+ POS transactions → interactive Qlik Sense dashboard → $3 M revenue opportunity identified
• Executive-ready visuals: Tableau LOD calcs, set actions, and dynamic parameters
Documentation that scales
• Technical specs: data mapping, migration strategy, annotation guidelines
• User enablement: step-by-step manuals accessible to technical and non-technical stakeholders

Experience

Work history, roles, and key accomplishments

AI Product Analyst

YOOV Internet Technology (HK)

Apr 2025 - May 2025 (1 month)

Conducted comprehensive APAC market research identifying $13.9B opportunity in AI automation and implemented AI OCR application with accuracy monitoring across document types. Gathered business requirements, authored technical documentation, and engineered automated validation workflows while developing AI-powered due diligence solutions.

AI Applications ReactJS HTML CSS Technical Documentation Application Development Market Research Python REST APIs Excel PowerPoint

Language Data Evaluator

Volga Partners

Feb 2025 - Apr 2025 (2 months)

Evaluated and labeled multilingual datasets for large language model training, consistently exceeding performance targets by 250% while maintaining 85%+ accuracy. Applied systematic quality assurance methodologies for ML training data across multiple languages and cultural contexts.

Quality Assurance Data Labeling AI Driven Data Annotation Multimodal Datasets Datasets Unstructured Datasets Search Relevance Tasks Model Evaluation Communication Skills SharePoint Online Google Sheets Time Management Collaboration

Assistant Project Manager

The Hong Kong Jockey Club

Dec 2023 - Sep 2024 (9 months)

Coordinated concurrent BI initiatives using Azure Databricks and Tableau, building interactive dashboards with hierarchical drill-downs and integrating ML recommendation systems. Managed ETL workflows across 7 databases ensuring consistent data availability for real-time analytics and personalized promotional insights.

Tableau Data Visualization Dashboards Reporting Data Analytics Azure Excel Confluence Jira PowerPoint UAT Lean Agile Data Mapping Machine Learning Stakeholder Management Databricks Databricks Certification Project Management

Senior Business and Data Analyst

Chow Sang Sang Holdings International Limited

Mar 2023 - Apr 2023 (1 month)

Maintained QlikView master documents supporting 30+ downstream dashboards and conducted Python-based sales analysis identifying $3M revenue opportunities. Managed automated report distribution to 200+ stakeholders while optimizing BI system performance and data quality.

Dashboards Data Analysis Python SQL Qlik Qlikview Sales KPIs Business Intelligence Reporting Technical Translation Cross Functional Collaboration KPI Tracking

Business Analyst

Yick Chiao Development Company Limited

Nov 2019 - Aug 2022 (2 years 9 months)

Created comprehensive business requirements documentation for data migration projects and developed executive dashboards providing actionable insights for data-driven decision-making. Conducted stakeholder interviews and process mapping to establish an effective communication framework and reduce knowledge gaps. to establish KPIs and build standardized reporting templates using Excel and SSRS.

Dashboards Data Analysis Python SQL Data Quality Data Integrity Microsoft SQL Server Documentation SSIS Microsoft SSRS Excel Communication Skills Problem Solving Presentation Skills Cross Functional Collaboration Data Processing Business Process Analysis Financial Data KPIs And Metrics

Strategy Analyst

Tink Labs Limited

Jul 2017 - Jul 2018 (1 year)

Conducted comprehensive market research, analyzing various sources to extract insights and identify trends for a digital product in the hospitality industry. I streamlined the onboarding process by revising customer service training materials, which improved customer satisfaction rates. Leveraged market intelligence and strategically enhancing the Scandinavian market penetration.