Konew Fintech Corporation Ltd
Sep 2021 - present
- Revamp, design and rebuild the internal software and system using .Net Core with C#.
- Implement and maintain linux platform application from 3rd vendor.
- Application support.
- Develop new reporting services.
- Develop new Customer Loan call service (Twilio) with C# using .net 5.
Design Patterns for new projects: Adapter, Factory, Builder, Dependency Injection, Observer, Iterator.
Midland Holdings Limiteed
Sep 2019 - Jan 2021
- Improve and enhance the existing software
- Find solutions to make the outdated software compatible with new systems
Founder, Unity Developer
Billy Chan Studio
Mar 2017 - Sep 2019
Indie game developer of Sword of the Guardian, released on Steam and Nintendo Switch platform.
- Develop indie game “Sword of the Guardian” with C# and Unity, which was successfully released on Steam and Nintendo Switch platforms
- Become the project lead of a web game platform like nutaku.com (DMM) using Node.js, Lamdba and DynamoDB with One-paid payment gateway
Full Stack Developer
Feb 2004 - Mar 2018
- Manage the ERP system with deployment to both Hong Kong office and China factory and development
- Build the server using FreeBSD & Apache
- Develop the internal win form application using C#
- Using PHP & pgSQL for web application.
- Make gii plugin to auto generate a new php form from template
- Familiarize with Yii framework and html2pdf
Feb 2001 - 2004
Develop the investment analysis and report system using C/C++ for capturing stock data, use VB for the frontend, crystal report for the stock report.
Feb 2000 - 2001
- Develop a system for the prepaid IDD Telephone card using C/C++ and Visual Basic 6.0.