Software engineer · Remote contract work

Selected work

Case studies covering client systems, automation delivery, Android AI UX, and public Android + AI product work.

Client systems and delivery

Primary commercial proof across CRM, automation, Android + AI UX, platform delivery, and supporting product work.

Client Systems

Client delivery

Enterprise CRM - Sales Pipeline & Performance System

Lead Full-Stack Engineer6-week delivery sprint

Cut the weekly pipeline review cycle from ~2 days of spreadsheet reconciliation to ~15 minutes — single source of truth across sales, ops, and management.

  • Problem

    Pipeline updates and performance reporting were split across 3 separate spreadsheets, making weekly reviews take days and ownership hard to trust.

  • My scope

    Mapped sales stages, reporting rules, and operator roles before touching schema or UI.

  • Result

    Cut the weekly pipeline review cycle from ~2 days of spreadsheet reconciliation to ~15 minutes — single source of truth across sales, ops, and management.

  • Laravel
  • Next.js
  • PostgreSQL
  • Prisma
  • Docker
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Automation Systems

Client delivery

Inbound Order & Lead Ops Automation

Automation Engineer2-week delivery sprint

Eliminated an estimated 60–80 hours/month of manual data entry across multi-branch operations. Booking + reporting now flow automatically into a single source of truth.

  • Problem

    Inbound orders, bookings, and chat updates were copied manually into spreadsheets across multiple branches, producing inconsistent records, delayed follow-up, and zero operational visibility for management.

  • My scope

    Implemented web-order-to-sheet automation with validation and normalization.

  • Result

    Eliminated an estimated 60–80 hours/month of manual data entry across multi-branch operations. Booking + reporting now flow automatically into a single source of truth.

  • n8n
  • Google Apps Script
  • Google Sheets
  • Google Calendar
  • Notion
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Android + AI

Client delivery

Media Android App - AI Chat + Search UX

Android AI UX Engineer3-week delivery sprint

Stabilized AI chat-to-search state sync in production — eliminated mismatch issues that broke the discovery flow for end users.

  • Problem

    Users lacked a clear transition from AI chat prompts to meaningful search actions, and state sync issues reduced UX reliability.

  • My scope

    Worked inside the existing WebView-based AI entry path so the feature fit the live app architecture.

  • Result

    Stabilized AI chat-to-search state sync in production — eliminated mismatch issues that broke the discovery flow for end users.

  • Android
  • Kotlin
  • WebView
  • Search UX
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Platform Delivery

Client delivery

Multi-Surface Platform Monorepo

Monorepo Platform Engineer4-week delivery sprint

Reduced release friction and dependency drift across the platform.

  • Problem

    Separate repositories for related surfaces caused dependency drift and slowed coordinated releases.

  • My scope

    Structured the repository with npm workspaces and clearer package boundaries.

  • Result

    Reduced release friction and dependency drift across the platform.

  • npm workspaces
  • Next.js
  • NestJS
  • TypeScript
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Supporting Delivery

Client delivery

Social Feed UI Fixes and Card Polish

Frontend Engineer2-week delivery sprint

Improved feed scanability through low-risk UI fixes that fit the existing product language.

  • Problem

    Social cards had uneven spacing and weak hierarchy, which made dense feed views harder to scan.

  • My scope

    Reviewed spacing rhythm, card hierarchy, and interaction cues in the existing feed.

  • Result

    Improved feed scanability through low-risk UI fixes that fit the existing product language.

  • Frontend UI
  • Responsive CSS
  • Design QA
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Public Android + AI products

Secondary proof through public Android, offline AI, and edge ML builds that stay relevant to product delivery.

Personal Product

Public build

Spectre Insight

Solo Founder & EngineerOngoing — early access live

Live at spectre.asia. Built end-to-end as a solo project.

  • Problem

    Operators and managers regularly receive raw spreadsheet exports (sales, ops, inventory, performance) that take hours to manually parse into something a leadership team can act on.

  • My scope

    Built the upload and parse pipeline on Next.js with Prisma over SQLite for fast solo iteration.

  • Result

    Live at spectre.asia. Built end-to-end as a solo project.

  • Next.js
  • Prisma
  • SQLite
  • OpenAI
  • VPS Deployment
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Public Android + AI

Public build

OffScan AI

Android Product Engineer6-week build and release

Published an Android workflow that performs OCR locally without cloud upload requirements.

  • Problem

    Users needed OCR extraction with stronger privacy guarantees and no network dependency.

  • My scope

    Designed an offline-first OCR flow for camera capture and image import.

  • Result

    Published an Android workflow that performs OCR locally without cloud upload requirements.

  • Android
  • On-device OCR
  • Edge AI
  • Mobile Product
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Public Android + AI

Public build

I-ScanTea

ML Prototype Engineer5-week prototype

Demonstrated an on-device classification workflow for field capture scenarios.

  • Problem

    Manual quality checks required repeated visual comparison and lacked a fast digital workflow.

  • My scope

    Prepared the dataset and labeling workflow for the target classes.

  • Result

    Demonstrated an on-device classification workflow for field capture scenarios.

  • TensorFlow Lite
  • Android
  • Python
  • Edge ML
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Public Android + AI

Public build

Scanberry

Mobile Computer Vision Engineer4-week prototype

Validated a practical on-device scan flow for classification without cloud dependency.

  • Problem

    The workflow needed rapid classification support in environments with unstable connectivity.

  • My scope

    Built a lightweight model iteration and evaluation loop.

  • Result

    Validated a practical on-device scan flow for classification without cloud dependency.

  • Computer Vision
  • Android
  • TensorFlow Lite
  • Mobile UX
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