Hi, I'm Zu

Hands-on Senior Software Engineer and Product Development Manager with 10+ years of experience. Leading cross-functional teams, driving vendor-to-in-house transitions, and building enterprise mobile, cloud, and LLM-powered solutions for global retail platforms.

10+

Years Experience

90%

Vendor Cost Reduction

70K+

Store Photos Processed Globally

CSM®

Certified Scrum Master

About Me

Zu

Zu

Product Development Manager

Fast Retailing Co., Ltd.

Based in Kawasaki, Kanagawa, Japan. A strategic Product Development Manager and hands-on Senior Software Engineer with 10+ years driving enterprise projects.

Specialized in transitioning enterprise platforms to high-performance in-house solutions — reducing vendor costs by 90% — and integrating IoT/RFID infrastructures for Uniqlo, GU, ALB, and Kyocera. Currently leading an LLM-based store compliance initiative processing 70,000+ store photos globally.

LocationKawasaki, Japan
Current RolePDM @ Fast Retailing
CertificationCSM®
Experience10+ Years

Technical Expertise

Mobile
Android (Kotlin)iOS (Swift)Android AOSPRFID & ScanningMDM / AirWatch
Frontend
ReactNext.js / TypeScriptSingle Page AppsHTML5 / CSSUI/UX Optimization
Backend & Cloud
Java / Spring BootAWS & GCPRESTful APIsFirebaseMicroservices
DevOps & Tooling
Jenkins & Bitrise CI/CDGitHub / JiraBigQuery & Power BIIoT: BLE / LoRa / UWBScrum Master®
AI & Data
LLM Evaluation SystemsLarge-scale Image ProcessingFirebase AnalyticsGoogle Analytics / BigQueryAWS Athena

Selected Work

Enterprise-scale projects built and led over 10+ years.

Featured

In-House Store Applications

Directed product lifecycle and roadmap for global Android & iOS store applications supporting Uniqlo, GU, and ALB retail workflows. Led vendor-to-in-house transition cutting costs by 90%.

KotlinSwiftAirWatch APIReact SPAAWS
Featured

In-House RFID Scan Engine

Architected real-time scanning systems for warehouse asset tracking, store stock optimization, and smart fitting room RFID reader integrations.

Android AOSPAWSRFIDSQL
Featured

IoT Indoor Position System

Industrial IoT indoor navigation deployed for IKEA Tokyo Bay, Kyocera, and Daiwa Steel using BLE beacons, LoRa, and UWB micro-location signals.

BLE BeaconsLoRaUWBNode.js
Notable

AirWatch Device Portal

Secure Single Page Application to orchestrate and track corporate mobile device distributions via AirWatch APIs.

React SPAAirWatch APISpring BootREST
Notable

Blood Bank Barcode System

Real-time barcode inventory routing network integrating custom scanner hardware across the National Blood Bank and public hospitals.

JavaBarcode APIHardware IntegrationSQL
Notable

Nursery Management Engine

Full-stack Java nursery coordination system with billing management and custom Japan vector maps rendering.

Java WebVector Map APISpring MVCPostgreSQL

Work History

Product Development Manager

Current

Fast Retailing Co., Ltd.

Nov 2018 — PresentTokyo, Japan
  • Lead development teams including external vendor engineers for enterprise Android/iOS store apps supporting Uniqlo, GU, and ALB retail stores.
  • Directed vendor-to-in-house transition, deploying scalable AWS solutions cutting vendor costs by 90% and accelerating delivery by 60%.
  • Optimized Jenkins/GitHub/Bitrise CI/CD pipelines achieving 80% reduction in build time.
  • Built real-time analytics dashboards using Firebase, BigQuery, and Power BI for data-driven decisions.
  • Leading an LLM-based store compliance initiative processing 70,000+ store photos globally.
Certified Scrum Master®AWS ArchitectureRFID Integration LeadLLM Compliance System

Software Engineer

Tamecco Co., Ltd.

Sep 2016 — Sep 2018Tokyo, Japan
  • Engineered mobile applications and backend for Industrial IoT Indoor Position System tracking.
  • Led R&D evaluating BLE Beacons, RFID, WiFi, LoRa, and UWB micro-location anchors.
  • Deployed IoT positioning solutions for Kyocera, Daiwa Steel, and IKEA Tokyo Bay.
Industrial IoTUWB & Beacon Systems

Mobile & Web Programmer

Ramtej Technologies Co., Ltd.

Feb 2013 — Aug 2016Tokyo, Japan
  • Programmed multiple Android AOSP OS functions and custom configurations.
  • Designed and launched full-stack Java nursery systems with custom Japan vector maps.
  • Integrated secure payment gateways via PayPal and Facebook SDKs.
Android AOSPFull-stack Java

Deputy IT Manager

Prokhas Sdn Bhd

Apr 2009 — Nov 2012Kuala Lumpur, Malaysia
  • Directed comprehensive data center operations maintaining 99.9% server uptime.
  • Formulated disaster recovery plans and enterprise backup management strategies.
  • Led compliance audits for ISO/IEC 20000 IT Services as Lead Auditor.
ISO 20000 Lead AuditorData Center Operations

Programmer

Enterall (M) Sdn Bhd

Jul 2007 — Mar 2009Kuala Lumpur, Malaysia
  • Integrated barcode scanners and printers tracking inventory for National Blood Bank and public hospitals.
  • Redesigned barcode printing systems with error auto-detection to minimize label waste.
Hardware IntegrationBarcode Systems

Get in Touch

Available for senior engineering and product leadership roles.

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