Chello Chan Email & Phone Number

Melbourne, Victoria, Australia

Data Engineer | SQL | Power BI | ETL Pipelines | Data Infrastructure OptimizationExperienced in sourcing, cleaning, and integrating data from diverse internal and external sources to support business goals. Skilled in designing and managing robust, scalable data pipelines for ETL processes, ensuring seamless data flow and system reliability. Proficient in SQL and Power BI, delivering actionable insights through dynamic dashboards and visualizations. Adept at maintaining data… Show more Data Engineer | SQL | Power BI | ETL Pipelines | Data Infrastructure OptimizationExperienced in sourcing, cleaning, and integrating data from diverse internal and external sources to support business goals. Skilled in designing and managing robust, scalable data pipelines for ETL processes, ensuring seamless data flow and system reliability. Proficient in SQL and Power BI, delivering actionable insights through dynamic dashboards and visualizations. Adept at maintaining data quality, optimizing databases, and ensuring data integrity with strong governance practices. Collaborates effectively with cross-functional teams to align data solutions with business objectives, driving data-driven decision-making. Show less

Hong Kong Sar

Cargo Management System frontend revamp project (ActionScript to Angular) - Designed and integrated an automated end-to-end testing methodology with CI/CD, reducing concurrent testing effort by at least 25%.- Utilised the Elastic Search, Logstash, Kibana(ELK) stack for log analysis and leveraged CI/CD and project management tools for efficient project management.- Led a team of 12 engineers in a UI revamp project.- Deployed and rolled out the UI project with a cross-functional… Show more Cargo Management System frontend revamp project (ActionScript to Angular) - Designed and integrated an automated end-to-end testing methodology with CI/CD, reducing concurrent testing effort by at least 25%.- Utilised the Elastic Search, Logstash, Kibana(ELK) stack for log analysis and leveraged CI/CD and project management tools for efficient project management.- Led a team of 12 engineers in a UI revamp project.- Deployed and rolled out the UI project with a cross-functional team including system engineers, networking engineers and user representatives.Achievement: Successfully spearheaded the launch of the frontend revamp project. Additionally, served as a team leader, guiding and directing team members towards achieving organisational goals. Show less

Hong Kong Sar

Cargo Management System frontend revamp project (ActionScript to Angular)- Developed a program to convert ActionScript to Angular, saving 70% of man-hours.- Assigned, prioritized and accomplished tasks for team members including code reviews.- Led a 5-person-team for an UI revamp project.Achievement: Developed a data conversion program that significantly expedited processing time, ensuring the project met its tight schedule and end-of-support deadline.

Hong Kong Sar

Automated Vehicles System backend revamp project (NATURAL to Java)- Designed a data conversion program to migrate millions of records from ADABAS to Oracle DB in under 3 minutes.- Developed backend system functionalities specific to the equipment domain with integration message to the PLCs.- Automated long-running and stress tests by integrating test scripts with a simulator, significantly reducing manual testing effort.Achievement: Successfully spearheaded the launch of… Show more Automated Vehicles System backend revamp project (NATURAL to Java)- Designed a data conversion program to migrate millions of records from ADABAS to Oracle DB in under 3 minutes.- Developed backend system functionalities specific to the equipment domain with integration message to the PLCs.- Automated long-running and stress tests by integrating test scripts with a simulator, significantly reducing manual testing effort.Achievement: Successfully spearheaded the launch of mission-critical system revamp projects, significantly enhancing HACTL's reputation. This contributed to HACTL being named “Best Air Cargo Terminal Operator – Asia” at the 2022 Asian Freight, Logistics, and Supply Chain (AFLAS) Awards. Show less

Hong Kong Sar

- Designed and implemented new functionalities in a Content Management System using Java, Spring framework, JSF and MySQL based on user requirements.- Developed a real-time stock quote system using Java and Spring framework capable of directly receiving streaming data from the Hong Kong Exchange (HKeX).Achievement: Effectively managed gigabytes of streaming data using proprietary technology. Developed a generalized data conversion code that reads entity annotations, eliminating the… Show more - Designed and implemented new functionalities in a Content Management System using Java, Spring framework, JSF and MySQL based on user requirements.- Developed a real-time stock quote system using Java and Spring framework capable of directly receiving streaming data from the Hong Kong Exchange (HKeX).Achievement: Effectively managed gigabytes of streaming data using proprietary technology. Developed a generalized data conversion code that reads entity annotations, eliminating the need for multiple factory converters and significantly reducing development time through streamlined configuration. Show less

Hong Kong Sar

- Developed and maintained online employment marketplaces for Sing Tao(ref: https://www.jobMarket.com.hk/, https://www.headlinejobs.hk/) using JSP, VB.NET, JavaScript, MSSQL, and Windows Server.- Developed a scrolling image slider using JavaScript for job advertisements and optimised backend SQL for 25% faster user response time.- Enhanced the email delivery system by implementing validation using regular expressions for HTML files.Achievement: Investigated and resolved… Show more - Developed and maintained online employment marketplaces for Sing Tao(ref: https://www.jobMarket.com.hk/, https://www.headlinejobs.hk/) using JSP, VB.NET, JavaScript, MSSQL, and Windows Server.- Developed a scrolling image slider using JavaScript for job advertisements and optimised backend SQL for 25% faster user response time.- Enhanced the email delivery system by implementing validation using regular expressions for HTML files.Achievement: Investigated and resolved recurring system downtime issues through detailed web log analysis. Implemented error HTML detection for emails from inexperienced designers, improving productivity by 20%. Show less

Master Of Data Science With Distinction, Data Science, Artificial Intelligence, Machine Learning, Cumulative Gpa: 3.9

Activities and Societies: Peer Mentoring Program I am passionate about leveraging data science techniques to solve complex problems.

Bachelor Of Science (Honour), Computer Science (Information Technology)