HONGDA

Built 3 microservices from scratch and maintained 10+ existing services using C# and .NET 9 to decompose legacy monolith, improving system modularity and deployment flexibility.

Developed company-wide Feature Flag NuGet package with LaunchDarkly integration, enabling instant pilot rollouts across 2000+ facilities, supporting award-winning Signature Elite Denture product comprising 34% of denture offerings.

Architected enterprise-level Notifications microservice with Pub/Sub event processing for real-time database updates, implementing multi-tenant architecture to deliver customized recall messages per dental group.

Automated large-scale database migration from SQL Server to AlloyDB using Terraform-orchestrated GCP DMS, eliminating manual console operations and creating reusable infrastructure-as-code templates for future migrations.

Contributed to 8-month database cleanup initiative that reduced 79% of database tables from 3500 to 725, enabling infrastructure downscale from 81 to 16 GCP cores and saving 2 engineering salaries annually.

Implemented enterprise knowledge retrieval system using AWS Q Business and RAG architecture to index and search across Jira, Slack, and Confluence, significantly reducing documentation discovery time.

Extended Chrome extension with candidate matching features, integrating LinkedIn and Greenhouse APIs to enable native in-platform recruiting workflows for sales team.

Established automated CI/CD pipeline using GitHub Actions, implementing dependency validation and version control to maintain code consistency across frontend teams.

Created serverless automation tool using AWS Lambda and Jira REST APIs, eliminating manual ticket creation and reducing BI team's administrative overhead by hours weekly.

Deployed Google Analytics 4 tracking across product features, capturing user behavior metrics that directly informed product roadmap decisions and UX optimizations.

Designed comprehensive UI test suite using Playwright to validate tracking data accuracy, ensuring reliable analytics data collection across web applications.