Wei Wong

DEVELOPER

Building intelligent systems at the intersection of full-stack development and machine learning.

TypeScriptReactNext.jsPythonDjangoFastAPINestJSNode.jsDockerPostgreSQL

Resume & CV Get in Touch

Japan·GMT+9

Experience & Education

Bachelor of Information Science—Hong Kong University of Science and Technology·Graduated Aug 2019

Full-Stack Developer

10pct Co., Ltd

Tokyo, JP · Nov 2024 – Oct 2025

▸Designed system architecture and built foundational components of a hotel booking system from early stage.
▸Contributed as a full stack developer from backend to frontend of booking system.
▸Proposed an AI-driven customer support solution; built a chatbot and automation engine using Python, model fine-tuning, and RAG.

Full-Stack Developer

Daiichi Sankyo Co., Ltd

Tokyo, JP · May 2023 – Oct 2024

▸Built and maintained backend systems for a bio-chemistry online experiment platform with AI-assisted workflows.
▸Optimized data retrieval pipelines, achieving 4–10x performance improvements via query tuning and caching.
▸Designed and documented RESTful APIs for internal research teams and third-party integrations.
▸Built and optimized reusable frontend components using Nuxt.js.

Blockchain Freelance Engineer

Independent

Remote · Apr 2021 – May 2023

▸Delivered multiple production blockchain-based web applications for individual and business clients.
▸Developed robust APIs and backend systems across concurrent projects, meeting all deadlines.
▸Built user-friendly SPA interfaces using Next.js, React, and Vue.js.
▸Managed client communication, requirements gathering, and technical scoping independently.

Software Engineer

VTRON Technology

Hong Kong · Oct 2019 – Mar 2021

▸Developed full-stack web applications as part of a cross-functional engineering team.
▸Contributed to frontend and backend feature development within an Agile workflow.

ABOUT ME

About Me

I'm Wei Wong, a full-stack developer with 7+ years of experience building intelligent systems at scale.

Based in Japan, I work at the intersection of full-stack development and machine learning — from architecting hotel booking platforms to fine-tuning LLMs for AI-driven customer support.

7+ Years

Experience

∞

Problems Solved

Languages

Featured Work

10pct — Hotel Booking

Full-stack hotel booking platform with real-time availability, payment integration, and AI-driven customer support chatbot.

Next.jsNestJSPythonRAGPostgreSQL

Bio-Chemistry Platform

AI-assisted online experiment platform for bio-chemistry research with 4-10x optimized data retrieval.

Nuxt.jsDjangoRedisPythonREST APIs

Blockchain Applications

Multiple production blockchain-based web applications with robust APIs and SPA interfaces for global clients.

Next.jsReactVue.jsSolidityWeb3

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