Chan Donald

I am a dedicated data engineer with nearly four years of practical experience. I possess strong problem-solving skills and a quick aptitude for learning and adapting to new technologies. I effectively leverage my education and work experience to tackle real-world data challenges.

Data Engineer at Self Employed (Pure Group) (2024-07 – 2025-12)

• Manage and maintain Azure Data Factory pipeline and Databricks workflow to support data integration and analytics.
• Led the migration of membership systems and designed the billing systems for Hong Kong and Singapore.
• Recalculated accounting liabilities for Hong Kong, Singapore, and China, including deposits, time-based services, and session-based services and validation of results with stakeholders

Data Consultant at Explora (2023-06 – 2024-06)

Assigned to Pure Group, providing on-site support and assisting client-side projects.

• Collaborated with colleagues to develop a Databricks Lakehouse solution to fulfill client business reporting requirements.
• Partnered with vendors to migrate CRM leads, guest data, points, and vouchers for Hong Kong, Singapore, and China; facilitated data quality checks and mappings.
• Assisted users and vendors in communication; trained users on Power BI functionalities and supported user acceptance testing (UAT).

Python Developer (Secondment Contract) at IBM (2023-03 – 2023-06)

Developed in-house ETL processes and reports for DBS Bank.

Assistant Data Analyst at HGC Global Communications Limited (2021-10 – 2023-02)

• Created and maintained over 150 ETL pipelines in Azure Data Factory.
• Automated regular reporting processes using Python and Power BI.
• Developed a Python solution to replace the Splunk service, converting SMTP logs into JSON format to reduce report processing time.
• Utilized SQL and Power BI to complete the reconciliation of the billing system migration.

BSc (Hons) in Data Science and Analytics – The Hong Kong Polytechnic University (2019 – 2021)

Higher Diploma in Data Science and Analytics – Hong Kong Institute of Vocational Education (Tsing Yi) (2017 – 2019)