Case studies

Enterprise projects I've directed, each broken down by system context, architectural decisions, governance and team topology, and quantifiable outcomes.

2025 – 2026 · Project Director & Lead

Multi-Tenant Competency Benchmarking Platform

A multi-portal SaaS that benchmarks hospitality-staff competency, with a configurable assessment engine, employer analytics, and an anti-cheat quiz platform.

3 role-based portals100 sessions · <3s5 question types

Read case study →

2025 – 2026 · Project Director · delivery governance & technical direction

Self-Service Health-Insurance Enrollment Platform

Digitized a fully paper-based PPO enrollment operation into a compliant, self-service platform. Discovery to enrollment in under 15 minutes.

<15 min enrollment9 milestones shipped~80% manual work removed

Read case study →

2026 · Project Director · cross-party delivery governance

Contactless Guest Check-in Mini App

Turned a one-time web check-in for unmanned accommodation into a persistent, app-native guest channel on the dominant regional messaging platform.

≤1.5s FCP on 4G≤2 taps to info5 milestones shipped

Read case study →

2025 – 2026 · Project Director · migration governance & maintenance SLA

Cloud Migration & Multi-Site Platform for a Global Manufacturer

Migrated a manufacturer operating in 90+ countries off self-managed cloud servers to a managed multi-site platform. Zero data loss, regional stores kept live.

0 data loss~5 min stock sync90+ country footprint

Read case study →

2026 · Project Director · scope governance & delivery

Booking & Operations Platform for a Digital Amusement Park

A digital amusement-park brand taken from a marketing site to a full booking-to-checkout platform with online payments and a staff admin back office.

Book → check-in → outOnline paymentsSingle admin back office

Read case study →

2025 – 2026 · Project Director · product scoping & delivery

Two-Sided Waste-Management Mobile App

Turned ad-hoc commercial waste pickup into a scheduled, live-tracked mobile marketplace connecting waste generators with collection providers.

2-sided marketplaceLive truck trackingPhased MVP scope

Read case study →

2025 – Present · Project Director & Solution Architect

Salon POS & Franchise Management Platform

Franchise management suite unifying POS, online booking, admin, and back office for a US salon chain. A NestJS/React monorepo with real-time cross-location sync.

4 integrated apps7 engineers ledStripe Terminal · live syncFranchise-scale architecture

Read case study →

2026 · Solution Architect & Lead Engineer

Biometric Attendance Intelligence: On-Premise API Integration

Pulls attendance events from on-premise biometric terminals and generates daily summaries and PDF reports, replacing manual timesheets entirely.

Zero-touch report generationPer-employee shift policiesRaw events → PDF in one command

Read case study →

2025 – 2026 · Solution Architect & Technical Lead

Localization Tooling for a Japanese Educational Workbook

Localization tooling and feasibility research for a Japanese elementary math workbook. PDF detection, InDesign markup parsing, and a web-based translation UI.

~1,400 graphics inventoriedPDF + IDML dual-modeFeasibility report delivered

Read case study →

2025 – 2026 · Solution Architect & Full-Stack Engineer

JLPT Vocabulary Learning Platform with Spaced Repetition & AI

Next.js platform for JLPT vocabulary. Level progression, spaced repetition, AI practice, speech recognition, and a live learning-velocity dashboard.

N5 → N1 progressionSRS + AI practice modesStreak & ETA dashboard

Read case study →

2025 – 2026 · Solution Architect & Full-Stack Engineer

Curriculum Progress Intelligence Dashboard: Private API Integration

Reverse-engineered an undocumented educational SaaS API to sync and visualize curriculum progress for ~960 students across a franchise center.

~960 students syncedUndocumented API reverse-engineered20-second full roster sync

Read case study →

2025 – 2026 · Solution Architect & Lead Engineer

Real-Time Reservation Intelligence: Headless Private API Client

Headless Node.js client for a Japanese reservation SaaS, reverse-engineering a 5-step cross-domain OAuth flow with Chrome TLS fingerprint impersonation.

5-step OAuth flow replicated227 endpoints discoveredChrome JA3/JA4 fingerprint matched

Read case study →

2023 – 2024 · Full-Stack Developer

cXML PunchOut Integration for Enterprise B2B Procurement

cXML PunchOut integration linking a B2B supplier storefront to a Fortune 500 buyer's e-procurement system. Punch-in, contract pricing, cart-to-PO round-trip.

cXML PunchOut · Level 1 & 2Punch-in → cart → PO round-tripCertified with enterprise buyer

Read case study →