Lesther Ruiz
Principal Software Engineer
🇵🇷 Puerto Rico
14+ years building scalable full-stack applications. Passionate about clean architecture, developer experience, and sharing knowledge through content.
Tutorials
Coming Soon
Video tutorials on software engineering, architecture, and best practices.
Tech Stack
+ JavaScript, Git, Kubernetes, Terraform, and more
Experience
Principal Software Engineer
Abarca Health LLC
Lead Software Engineer
Abarca Health LLC
Team Leader, Software Engineer III
Abarca Health LLC
Career journey: Developer → Team Lead → Principal Engineer
Featured Projects
API.CoreSetup
Open source NuGet package that simplifies ASP.NET Core API setup with pre-configured JWT authentication and Swagger/OpenAPI docs.
OP TCG Database
Mobile app for trading card game players with advanced search and filtering.
G.E.M.S.
Website for a non-profit emergency medical services organization in Puerto Rico.
EasyCron
Web-based cron job service for developers with an intuitive interface.
Mobile Development
Church App
AvailableA ready-to-brand mobile app for churches: schedules, sermons, ministries, events, and maps.
Interested in a custom mobile app? Let's talk