Projects and systems I've built throughout my career.

From enterprise platforms to open-source work, here are some of the projects I'm most proud of. Some are internal systems I've led, while others are open-source and available on GitHub.

  • costacodecraft

    My personal portfolio and blog — built with Next.js, Tailwind CSS, and TypeScript.

    github.com

  • GE Workflows Platform

    Led the backend modernization of GE's internal Workflows platform from monolith to microservices, supporting high availability across the organization.

    Private

  • Kroger Backend Services

    Standardized backend architecture with RBAC security, OAuth2, Flyway migrations, and optimized CI/CD pipelines using GitHub Actions.

    Private