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
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.
Technical Expertise
Selected Work
Enterprise-scale projects built and led over 10+ years.
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%.
In-House RFID Scan Engine
Architected real-time scanning systems for warehouse asset tracking, store stock optimization, and smart fitting room RFID reader integrations.
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.
AirWatch Device Portal
Secure Single Page Application to orchestrate and track corporate mobile device distributions via AirWatch APIs.
Blood Bank Barcode System
Real-time barcode inventory routing network integrating custom scanner hardware across the National Blood Bank and public hospitals.
Nursery Management Engine
Full-stack Java nursery coordination system with billing management and custom Japan vector maps rendering.
Work History
Product Development Manager
CurrentFast Retailing Co., Ltd.
- 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.
Software Engineer
Tamecco Co., Ltd.
- 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.
Mobile & Web Programmer
Ramtej Technologies Co., Ltd.
- 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.
Deputy IT Manager
Prokhas Sdn Bhd
- 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.
Programmer
Enterall (M) Sdn Bhd
- 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.
Get in Touch
Available for senior engineering and product leadership roles.
zzas11@portfolio:~$
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