Technical Co-founder / eSerbisyo
Rodney Dela Cruz
I build operations infrastructure and the automation underneath it — turning manual, repetitive friction into background operations nobody has to supervise.
Writing
Notes on building software, and on the decisions that turned out to matter. Pull a drawer to sift by topic.
- № 001
Why a barangay clearance still takes three days
Barangay clearances stall in predictable places: signatures, ledger checks, and a trip home when the connection drops.
Topics: local-government · digital-services
- № 002
Offline-first and subscriptions in a PWA
Making a calculation tool work offline, keep auth sane, and know what a subscription entitles someone to when you cannot ask the server.
Topics: progressive-web-apps · infrastructure
- № 003
What a QR code on a document can and can't prove
A QR code on an official document proves the record behind it exists. It does not prove the paper is genuine, and that limit matters.
Topics: document-automation · verification
- № 004
Mapping placeholders into .docx templates
Generating a Word document from data sounds simple until the template has headers, tables and fields that must survive being filled.
Topics: document-automation · templates
Projects
Nine of them. LGU software, workflow automation, and the platform layer underneath an engineering tool.
eSerbisyo
Document services platform for Philippine barangays: visual DOCX templates, approval workflows, and QR-verifiable documents issued in minutes instead of days.
Built with: React · Appwrite · Cloudflare Turnstile · Brevo
FacadeLab
Offline-capable PWA of engineering calculation tools for facade and structural design, with auth, multi-currency quoting and subscriptions.
Built with: PWA · Authentication · Subscriptions · Multi-currency · Offline support
BarangayOS
Offline-first web app for Philippine barangays: digital record-keeping and finance modules that keep working when the connection does not.
Built with: Next.js · TypeScript · Offline-first sync · PostgreSQL
eGovLS (GOV.SYS)
Community / roleplay server
Digital governance platform for a roleplay server community: citizen intake, finance pipelines, personnel records and document generation.
Built with: Appwrite · n8n · Cloudinary · Serverless architecture
Study Companion
Autonomous Telegram assistant in n8n with intent routing, natural-language reminders and a legal RAG pipeline over Qdrant.
Built with: n8n · Qdrant · Telegram API · Retrieval-augmented generation
FileSnaps
End-to-end encrypted file sharing with automatic deletion, custom expiry rules and no account required to send or receive.
Built with: End-to-end encryption · Expiring links
CiviCore
Community operations platform for hyper-local governance, covering records, finance and administrative control across a local area.
Built with: Role-based access · Financial tracking · Records management
Digital City Hall PWA
Municipal operations PWA with citizen self-service, financial tracking and granular role-based administrative controls.
Built with: PWA · Role-based access · Financial tracking · Self-service portal
Integrated Police Clearance Pipeline
Community / roleplay server
Self-hosted n8n automation that digitises police clearance issuance end to end, replacing a manual paper trail.
Built with: n8n · Self-hosted · PDF generation