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Nap Joseph Calub

Work

Shipped, with the receipts

Six projects with full case studies — the problem, the constraints, the decisions and their tradeoffs — plus the rest of the ledger: production platform work, church systems, and small tools finished properly.

Production platform work

The pipelines, dashboards, and internal tooling other engineers shipped on — at Penbrothers, Google (as a vendor), and Oracle.

  • Deployment OrchestratorOrchestrated production deployments across all applications with one-at-a-time deploy locks and automatic rollback on failure.
    2023 – 2025
  • Flagger Canary Plan VisualizerVisualized Flagger's progressive-delivery process inside Kubernetes and commented canary status onto the relevant JIRA tickets.
    2024 – 2025
  • Common JIRA Utilities DashboardVisualized and audited JIRA tickets created by internal automation: statuses, transitions, error rates, and performance metrics.
    2025
  • Domain Availability MonitorMonitored domain accessibility across geographic regions and dynamically updated DNS records with automatic failover when blocks were detected.
    2024 – 2025
  • Domain Aliasing ToolProvisioned and rotated domain aliases so user access survived regional network restrictions, with a proxy and URL shortener.
    2024 – 2025
  • JIRA Workflows VisualizerGenerated interactive diagrams of JIRA workflow states, transitions, and conditions to support a company-wide tooling migration.
    2023 – 2024
  • Bulk Upload Tool for Network Asset Lifecycle DataWorkflows and tooling that made vendor-supplied lifecycle data a single source of truth for an enterprise network fleet.
    2021
  • Performance Dashboard for Service ProvidersModernized a legacy Angular dashboard and added ISP SLA calculations and visualizations comparing promised versus actual performance.
    2019 – 2020
  • Google Drive Files Scanner and Ticket FilerA CLI that scanned shared Drive files for terms needing updates and filed the appropriate change tickets automatically.
    2020 – 2021
  • BigQuery MigraterContinued the data migrater and importer moving internal datasets from Dremel to BigQuery.
    2020

Self-directed systems

Systems I found a reason to build: agent infrastructure I run my own day on, and a complete live-translation stack for my church.

  • helper

    2026

    An agent-authored operating system for my own executive function: 17 skills, confirm-first write gates, and an append-only audit trail, grounded in real Jira, git, and calendar data.

    Markdown vault / Agent skills / Jira / Confluence / Git

  • Live-translation stack for Favor Church

    2026

    Captions intercepted from spf.io, LLM-translated into conversational Taglish with context buffering, persisted for review, and served to a live Material 3 caption viewer — deployed on Deno Deploy.

    Deno / TypeScript / Qwen2.5-72B / Supabase / Deno Deploy

  • Sermon TTS in the pastor's voice

    2026

    A hybrid voice pipeline for a low-resource language: MMS-TTS for authentic Tagalog, RVC voice conversion to match the pastor, trained on ~908 real sermon utterances.

    Python / PyTorch / MPS / MMS-TTS / RVC / Coqui TTS

  • Serve Sunday 2025Volunteer sign-ups and scheduling for a church-wide serving day: event creation, registration, automated email notifications.
    2025
  • Connect PortalSmall-group community management for church leaders: features, fixes, and performance work on a live application.
    2025
  • Connect Group sign-upsInteractive sign-up platform for discipleship groups with real-time integration to the Fluro church-management system.
    2025

Craft and open source

Small tools finished properly — tested, documented, and shipped — plus civic-tech work in the open.

  • oneword

    2026

    A Bible RSVP speed reader with optimal-recognition-point alignment, punctuation-aware pacing to 1500 WPM, tested core logic, PWA install, and full SEO — researched and shipped in one focused day.

    Deno Fresh / TypeScript / Tailwind / PWA

  • DIY Accordion Notebook

    2026

    A print-ready PDF generator for dot-grid concertina notebooks, built on a single pure geometry function that both the live SVG preview and the pdf-lib export consume — one source of truth, unit-tested.

    Deno Fresh / Preact signals / pdf-lib / Tailwind v4

  • Open Congress API

    2025

    A REST API serving Philippine Congress data from a Neo4j graph — legislators, bills, committees — with schema validation and automatic OpenAPI documentation. Built for the BetterGov.ph civic-tech initiative.

    Deno / Hono / Neo4j / Zod / OpenAPI

  • The Wandering InndexA fan-made graph index of The Wandering Inn — entities and relationships in Neo4j/SurrealDB with an interactive 3D word-count visualization.
    2022
  • 3D Daily Contribution ChartA 3D visualization chart with React Three Fiber, originally for daily word counts, adaptable to GitHub contributions.
    2023
  • Menu Management and Recipe Costing AppRecipe, menu, and costing application for a restaurant group: menu planning, recipe organization, and cost analysis.
    2023