• Skill Set: C#, Javascript ,OIDC Auth, PowerApps, Word Add-in
• Developed an OIDC (OpenID Connect) provider that integrates hardware token authentication for website login
• Developed a quotation management app using Microsoft PowerApps
• Developed a Microsoft Word add-in that integrates with Documentum

• Skill Set: C#, ASP.NET, Javascript, MSSQL
• Developed new features for the website using C# and jQuery
• Performed SQL script performance tuning

Participated in the Hong Kong Government project "易通行 - Backend System"

• DevOps Skill: Docker, K8S, Helm, ArgoCD, GitLab, GitLab-CI, Linux, Grafana, API Gateway, Shell Script
• Dev Skill: C#, .Net5, Javascript, MariaDB, OpenAPI, Pulsar
• Developed backend web APIs and admin portals for the system
• Setup and managed environments such as Kubernetes and Linux
• Setup automated deployment processes for development team
• Managed TLS certificates for mTLS authentication with auto renew
• Acted as the middleman between the infrastructure and development teams to solve problems and ensure smooth operations
• Verified the infrastructure team's work, such as network and Linux configurations, to ensure the system ran without issues

• Skill Set: IIS, MySQL, C#, ASP.NET, Javascript, jQuery
• Developed internal HR system
• Collected user requirements and implemented features

• Skill Set: EShop, CMS, PHP, MySQL, IIS, C#, ASP.NET, Javascript, jQuery
• Customized and managed CRM, CMS, and eShop systems
• Developed membership and warranty systems with C#, ASP.NET, jQuery