Hi, I am
William Wei Ming
Full-Stack Architect | SWE | Trust Dev
๐ Senior Full-Stack Engineer ๐จโ๐ป๐ Build Scalable Systems โ๏ธ๐ Ship Real Products ๐๐ฒ Turn Complexity Into Elegance ๐ฏ๐ฌ Strong Async Communication ๐ค๐ฑ Startup Experiences With Clients ๐ผ๐บ๐ธ US Timezone Friendly โฐ๐ Remote Contractor ๐ก๐ง Bittensor Rider ๐ดโโ๏ธ๐ Based in Selangor, Malaysia ๐ฒ๐พ
Experience
My professional journey
Senior Software Engineer (Full-Remote)
August, 2023 - November, 2025- Built the dashboard for UXBIT trading platform, leveraging Next.js and Tailwind CSS.
- Built the backend for UltimoPay debit card Exchange services (BTC/USDT), leveraging PHP, Node.js and Fireblocks SDK.
- Developed internal APIs and tools for the company's various projects, such as XApiServer backend and BOS admin panel.
AI Specialist at Algorithms Team (Full-Remote)
October, 2021 - June, 2023- Built a cutting-edge multi-tiered AI recommender system to personalize styling recommendations at scale.
- Implemented scoring module of the AI recommender system based on the Client Time Series Model (CTSM), leveraging PyTorch and multi-GPU distributed training.
- Enhanced the internal AI Chatbot for DrapeFit personal styling advice, leveraging Rasa, LLM and FastAPI, improving its accuracy and user experience.
Full-Stack Developer (Full-Remote)
January, 2019 - March, 2021- Built a childcare nursery management system called Kindy.jp, leveraging React Native, MERN stack and AWS.
- Introduced Kindy.jp to the kindergarten community in Tokyo, Japan.
- Built a healthcare counseling platform called Hapiage.jp for mental health support based on keiraku theory, leveraging Ionic Framework and Node.js.
Freelance Web Developer
September, 2017 - December, 2018- Developed and delivered custom web applications for Japanese clients through CrowdWorks.jp, focusing on responsive UI and performance optimization.
- Collaborated remotely with Japanese clients to translate business requirements into scalable technical solutions.
- Successfully completed multiple freelance projects (Fixed and Hourly) while maintaining high client satisfaction and meeting strict deadlines.
Junior Freelance Web Developer
November, 2015 - July, 2017- Worked as a junior freelancer on Upwork.com, contributing to website development, bug fixing, and UI enhancements across multiple client projects.
- Assisted in translating client ideas into functional web solutions using modern web technologies such as MEAN stack.
- Gained hands-on experience in remote collaboration, time management, and agile development practices.
Tech Stack
Technologies I work with
Mobile / Desktop
Artificial Intelligence
Web
Tools
Featured Projects
Somethings I've built
UXBIT - Trade Smarter, Faster, Safer
UXBIT is The Global Standard for Borderless Crypto Trading. With UXBIT, you can manage Bitcoin (BTC), Ethereum (ETH), and Tether (USDT) from one platform, making it easier to track, trade, and grow your portfolio.
UltimoPay - Always Forward
UltimoPay.io is a fintech payment solution focused on borderless digital transactions, empowering users to send, receive, and manage payments efficiently through one integrated platform.
DrapeFit Inc. - Personal Styling Service
DRAPE FIT is a personal styling service that sends you a FIT Box of hand-picked styles right to your door every month. DrapeFit do personalized style selection for Men, Women and Kids.
Kindy.jp - ๅใจไฟ่ญท่ ใใคใชใ - ไฟ่ฒ็ฎก็WEBใขใใชใฑใผใทใงใณใKindyใ
Kindy.jp is the smart childcare platform for modern kindergarten management. With Kindy, nursery staff and parents can seamlessly manage communication, child data, and daily activities in one secure system, making childcare organization simpler, safer, and more connected.
KaguAruoo - Furnished Apartments in Tokyo and all of Japan
KaguAruoo is Japan's 1st platform for long-term rentals that can complete contracts & settlements online.
StakTask - Easy Task Tracking
StakTask is an Australian-developed application created by StakOne designed to automate operational tasks, focusing primarily on the hospitality industry. This Trello-style app enables real-time tracking of staff tasks, aiming to increase productivity, improve staff retention, and reduce training costs.
Get In Touch
Let us build your business together
Let me know about your next project, if you don't mind
Feel free to reach out for collaborations, freelance projects, or full-time opportunities. I'd be always happy to hear from you. Fill out the form or contact me directly via email to connect.
Email me at
bittensorrider@gmail.com
Available for
Anywhere, in the World