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Leonardo Almeida

Engineering leader building security-informed SaaS systems.

Currently developing PiggyPulse, a production-deployed budgeting platform with:

  • Rust backend (Rocket + SQLx)
  • Versioned API (/api/v1)
  • Argon2 password hashing
  • HttpOnly cookie-based authentication
  • CSRF protection
  • Dockerized deployment
  • CI-driven releases

Live system: https://piggy-pulse.com


Architectural Focus

  • Explicit domain modeling
  • Strong compile-time guarantees
  • API contract governance
  • Secure authentication design
  • SaaS-ready multi-user architecture
  • Containerized deployment

Security Background

Previously contributed to Lyra, a Password Hashing Competition candidate, during graduate research.

That experience informs authentication design and password hashing strategy in PiggyPulse.


Current Work

  • Expanding OAuth support
  • Improving observability
  • Hardening deployment workflows
  • Enhancing onboarding flows

Tech

Rust · PostgreSQL · Docker · React · TypeScript · CI/CD · Cloudflare

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