Ryan Leontini

Software Engineer

About

I'm a software engineer with a B.S. in Computer Engineering from Cal Poly and a background in nuclear cybersecurity, industrial control systems, and I&C procurement at a nuclear power plant. I build full-stack web and iOS applications with Next.js and Supabase as an independent contractor.

Projects

Pakina

A private platform where families capture and share their stories and memories, organized around a garden metaphor. Built for families who want to preserve older relatives' stories before they're lost, in a private space instead of social media. Available on the web and iOS.

  • Next.js
  • TypeScript
  • Supabase (PostgreSQL)
  • Vercel
  • iOS

Experience

  1. Independent Contractor

    Maraca

    March 2025 – Present

    • Build and deploy a full-stack web application (Next.js, Supabase/PostgreSQL, Vercel), owning database schema, SQL, application logic, and deployment.

  2. Technical Procurement Specialist, I&C and Electrical

    PG&E, Diablo Canyon Power Plant

    September 2025 – Present

    • Evaluate design documentation and technical specifications to select spare parts and resolve obsolescence and upgrade decisions for safety-critical plant systems.
    • Earned INPO Instructor Training Certification and developed a training program to standardize department procurement processes.

  3. Cyber Security Specialist / Assessment Team Lead

    PG&E, Diablo Canyon Power Plant

    December 2023 – September 2025

    • Led a cross-functional team of 10 conducting cybersecurity assessments on critical digital assets against 100+ regulatory controls.
    • Automated log collection and normalization for 4,000+ assets using PowerShell.
    • Automated remediation of 40,000+ vulnerabilities, cutting open vulnerabilities by 38%.