Lucence Diagnostics
Singapore
Jul 2022 — Jul 2025
Software Engineering Lead
- Designed and deployed serverless web applications using React, Python, AWS Lambda and Google Apps Script, automating laboratory workflows and reducing turnaround time from 14 to 5 days.
- Upgraded web application security architecture with external auditors, passing third-party penetration testing to support U.S. healthcare partnership.
- Built an in-house AWS data synchronization pipeline for genomic sequencing machines, enabling high throughput transfers at lower operating costs without relying on costly AWS direct connect service.
- Mentored junior developers through code reviews and personalized learning plans, enabling them to learn the software stack within one month and handle development tasks with minimal supervision.
Nov 2018 — Jun 2022
Software Engineer
- Developed and tested full-stack applications and microservices using React and Python to automate laboratory workflows.
- Streamlined laboratory report delivery through a workflow requiring medical director approval before release to reduce report-sending errors and manual processing.
- Built and deployed a COVID-19 testing platform prototype in three days; the platform passed a Ministry of Health audit and later supported 2,000 reports per day, up from 10.
- Resolved software defects through cross-functional troubleshooting to support reliable healthcare operations.
Skills & technologies
- React
- Python
- AWS
- GCP
- Google Apps Script
- Microservices
- Web Security
- CI/CD

