Product Manager · Full-Stack Engineer
Cyrus Espiritu
I build and ship products end-to-end — from product strategy to full-stack and AI implementation. Founder of HipStaff.
What I do
Product Leadership
Strategy, roadmapping, and stakeholder alignment — turning fuzzy goals into shipped products and measurable outcomes.
Full-Stack Engineering
Production systems end-to-end with Next.js, NestJS, PostgreSQL, AWS — plus Rust for tools and infrastructure.
AI Integration
LLM features, semantic search, and agent workflows built into real products, with evaluation and guardrails.
Featured work
View allHipStaff
HR Tech / SaaS
Payroll & HR SaaS live across the Philippines — cuts tax-season processing by 90% and saves HR teams 80+ hours a year. Automates 13th-month pay, government contributions (SSS, PhilHealth, Pag-IBIG), BIR Form 2316, and DOLE-compliant leave, with an employee self-service portal and biometric attendance.
Captain's Bluff
Mobile Game
A high-fidelity multiplayer implementation of Liar's Dice (Perudo) with production-grade Flutter architecture. Features real-time Firestore multiplayer, juicy animations, room code system, and spectator mode. Built with Riverpod state management and a custom 'Tropical Cartoon' design system.
ZeroDrop
Privacy / Terminal App
An end-to-end encrypted terminal chat app. Messages are encrypted client-side (X25519 + ChaCha20-Poly1305) and relayed by a 'dumb broadcast' server that stores and knows nothing. Features safety-number verification, self-destructing messages, and group channels.
Let's build something
Have a product, role, or partnership in mind? I'm always open to a conversation.
Get in touch