Fortino Sandoval

Built and launched a Mexico-first multi-tenant SaaS from zero to production, giving raffle organizers branded public sites and one operational system for raffles, reservations, manual payment tracking, participants, and recorded results. Publicly launched August 21, 2026.

• Rebuilt the legacy Angular application in Next.js and React, backed by NestJS, PostgreSQL, and Prisma.
• Role-aware operations, public verification, Stripe purchases, transactional email, and custom domains.
• Cloud Tasks and Cloud Scheduler for asynchronous processing and recovery workflows.
• Migrated VPS workloads to Terraform-managed Cloud Run and private Cloud SQL, with GitHub Actions, immutable image deployments, revision rollback, and Cloud Monitoring.
• Created Companion Harness, an internal engineering tool for coding-agent orchestration, automated verification, and review-and-repair workflows.

Worked on enterprise web applications where frontend architecture, state behavior, and backend integration had to stay predictable across complex modules.

• Built reusable split-screen and multi-panel frontend architecture.
• Built state-driven enterprise workflows with Angular, TypeScript, RxJS, and NgRx.
• Implemented save, restore, and overwrite behavior for an asynchronous draft workflow.
• Defined component boundaries, state transitions, and frontend/backend contracts.
• Integrated Java/Spring Boot and NestJS services while supporting Angular modernization.

Worked on enterprise web applications, internal tooling, modernization efforts, and legacy system maintainability.

• Initiated and implemented an AngularJS-to-Angular hybrid migration proof of concept.
• Built and proposed internal tooling for recurring marketing page updates.
• Introduced the initial Karma unit testing setup for an application without existing test coverage.
• Worked across Angular, AngularJS, TypeScript, Java/Spring integrations, SQL, and stored procedures.