
About Me
Hello! I’m Lester Yam. I am a software engineer wwith more than 8 years experience in web development, databases management, data visualisation, administrative and user training. I have a strong passion for data analytics and visualisation which spurred me on to pursue a specialist diploma in Business and Big Data Analytics at NYP. I'm skilled at working independently, creating effective presentations and developing new opportunities and innovations to meet organisational goals.
Portfolio












Work Experience
● Developed and implemented "Dredging Operation Online System". The online system has improved data collection and reporting process by 90%.
● Developed and implemented "Manpower management Online System". The online system has improved accruacy and availability of staff information by 80%.
● Perform daily data extraction using SQL script and prepare reports for project client which include Marine and Port Authority of Singapore and Surbana Jurong.
● Prepare dashboard and reporting for construction managers using Microsoft Power BI
● Create SQL Stored Procedures to perform complex queries and complex data manipulations.
● Developed automation tools for Group Wholesale Banking and UOB Thailand to generate monthly report. The systems have reduced processing time from 1 week to 3 hours.
● Performed data extraction and cleaning of 40 million rows of bank data for annual MAS reporting.
● Design, build and manage databases (Access, SQL Server & REDCAP) for various clinical research projects.
● Perform all necessary data transformations to populate data into a database
● Design training matertial and content for database courses
● Delivered Data Management and MS Excel and Access database training courses to hospital staffs.
● Responsible for patient recruitment, data collection and analysis, and preparation of monthly reports to research team and stakeholders.
● Tracked project financial spending to ensure it operates within the approved research budget.
● Designed, built and deployed web-based electronic form to facilitate collection and reporting of research data