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johnw-hk/README.md

Hi there, I'm John πŸ‘‹

Solution Architect & Tech Lead | Global Problem Solver

πŸ“ Based in Hong Kong πŸ‡­πŸ‡° | ✈️ Frequent Traveler | 🌍 Open to Global Opportunities (Visa-willing)


About

I'm a solution architect and tech lead with over a decade of experience and 100+ projects shipped. I work at the intersection of product thinking and engineering β€” translating complex requirements into systems that are reliable, secure, and built to last.

My approach is straightforward: listen carefully, plan for what's ahead, and build things that don't need to be rebuilt.

Currently:

  • Co-founder, AppQuick.co β€” early-stage SaaS app tooling and event applications, backed by Cyberport and awarded a PolyU Micro Fund
  • Co-founder, Flexiometric LTD β€” Custom LLM integrations and immersive web experiences
  • New venture (2026) β€” Cybersecurity, cloud solutions, and technical consulting

What I Build

My work spans a wide range of domains:

  • Immersive web & 3D β€” WebGL, interactive configurators, asset optimization
  • Enterprise cloud β€” Multi-tenant SaaS, serverless infrastructure, high-concurrency architectures
  • AI integrations β€” LLM orchestration, automated workflows
  • Web3 β€” Decentralized apps, smart contract integration
  • Hardware & IoT β€” Sensor integrations, microcontrollers, real-time telemetry
  • Cybersecurity β€” Offensive security, defensible system design
  • FinTech & e-commerce β€” Payment gateways, high-conversion flows, mobile apps

Tech Stack

I'm a strong advocate for serverless architecture and a long-time Angular enthusiast. Here's what I work with day-to-day:

Frontend & Mobile

Angular Next.js Tailwind CSS Flutter Swift Kotlin

3D & Immersive

Three.js WebGL Model Viewer

Backend & Languages

TypeScript Node.js Python FastAPI Elixir Phoenix Express.js

Cloud & Infrastructure

AWS GCP Firebase


Clients & Collaborators

I've had the privilege of building for some great organisations across engineering, retail, finance, and media:

Aecom Β· Meinhardt Β· Schneider Electric Β· WeLab Bank Β· DFI Retail Group Β· New World Group Β· 7-Eleven Β· CSL Β· PCCW Β· Gusto Collective


Outside Work

When I'm away from the screen:

  • Hiking β€” Recently completed a snow-season traverse of Tateyama (η«‹ε±±). Currently preparing to summit Mt. Fuji.
  • Photography β€” Volunteer event photographer for various NGOs.
  • Astrophotography β€” Chasing dark skies and the Milky Way whenever I can find them.

Deeply inspired by Japanese culture and Zen philosophy β€” both have shaped how I think about craft and simplicity.


Based in Hong Kong Β· Open to global opportunities

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