Projects

Problem, what I built, what changed.

Tag: Next.js×

Jul 2026 · Payroll, Business rules, Next.js, Postgres

PH Payroll Bureau — multi-tenant payroll and HR

Multi-tenant Philippine payroll and HR bureau: 2025 statutory engine (SSS, PhilHealth, Pag-IBIG, BIR), tenant isolation, MFA, encrypted 201 records.

• Payroll
• Business rules
• Next.js
• Postgres

May 2026 · POS, Business rules, BIR compliance, Next.js

DJN POS — BIR-compliant point of sale for hardware retail

Multi-branch hardware-store POS: BIR-compliant invoicing with 12% VAT, the JAO 24-02 senior/PWD discount, per-branch stock at moving-average cost.

• POS
• Business rules
• BIR compliance
• Next.js

Aug 2026 · Business site, Next.js, Lead generation, Postgres

VINZPA Roofing — marketing site with a priced quote builder

Business website for a Cagayan de Oro roofing contractor: services, gallery, a priced multi-line quotation builder, and an admin window tracking every enquiry.

• Business site
• Next.js
• Lead generation
• Postgres

Jun 2026 · POS, Offline-first, Next.js, SQLite

Fireworks POS — offline point of sale for a retail shop

Offline LAN point-of-sale for a fireworks shop: cash checkout with 80mm receipts, lot-traceable inventory, returns with an audit trail, sales analytics.

• POS
• Offline-first
• Next.js
• SQLite