Hello, I am Pak Ho Lee With nine years of experience as a dedicated and efficient full stack developer, I have a strong background in frontend, backend, and database development. I successfully reduced mobile application crashes and improved web service reliability. Additionally, I have developed data visualization interfaces to enhance the efficiency of data analysis processes.
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About Me

My resume summary

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As a detail-oriented and hardworking programmer with a strong ability to learn new programming languages and techniques quickly, I have developed expertise as both a mobile and web developer.

My experience includes integrating data visualization interfaces and export features using ExtJS and OpenXML to improve the efficiency and quality of data analysis processes.

I have also redesigned mobile applications and websites to reduce app crash rates, and collaborated with web designers to implement responsive website designs. In addition, I have created RESTful APIs with ASP.NET Web APIs to standardize web services for mobile applications and websites, making it easier to document with Postman collection files.

With a proven track record of delivering high-quality work and a passion for creating innovative solutions, I am excited to bring my skills and experience to new challenges.

Key Skills

My Techstacks

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.NET Framework (C# & Visual Basic)

Minimum 8 years of .NET applications programming (C#, Visual Basic). Including usage of XSD Schema Designer and OpenXML.

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Microsoft SQL Server

Minimum 8 years of experience working with large datasets with Microsoft SQL. Including database design and stored procedures implementation.

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iOS (Objective C & Swift)

Minimum 4 years of iOS applications programming (Objective C, Swift). Including working with RxSwift.

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Android (Java & Kotlin)

Minimum 4 years of Android applications programming (Java, Kotlin).

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Native application (React Native & Flutter)

Minimum 2 years of native applications development (React Native, Flutter).

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HTML, CSS & Javascript

Good knowledge of jQuery, Bootstrap and Sass. Also, collaborate well with clients and web designers both technical and non-technical backgrounds.

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ExtJS

Minimum 1 year of experience working with ExtJS 4.2.1 libraries on .NET projects. Including usage of Dashboard and Chart components.

My Portfolio

Some of my works and projects

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Hong Kong Hospital Authority

e-Proposal submission system

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Hong Kong Hospital Authority

Data analysis system

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Hong Kong Leisure and Cultural Services Department

Website revamp and maintenance

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Resume

My Working Experiences

Over the years, I have gained experience working with multiple vendor companies, where I honed my skills in learning programming languages and techniques quickly. I have a proven ability to adapt to new code bases efficiently and effectively. Additionally, I am open and receptive to learning new programming languages, which allows me to be versatile and adaptable to new projects and technologies.

2013 - 2019

Vizz Technology Limited

Vizz Technology Limited is a company that providing web / mobile application development, e-commercial system development, and e-marketing services for companies and organizations in Hong Kong.

Responsibilities
  • Developed web-based applications for data processing and visualization, spanning from database to frontend.
  • Developed RESTful APIs for mobile applications.
  • Revamped, redesigned, and optimized web and mobile applications.
  • Refactored programs to enhance effectiveness and maintainability.
2009 - 2013

Kactus Limited

Kactus Limited provides business solutions for companies. For examples, Enterprise Resource Planning, Customer Relationship Management, and customised mobile applications.

Responsibilities
  • Collaborated as a team member in a system development project for a travel agency client.
2006 - 2009

Bachelor in Computer Science

Having a Bachelor degree in Computer Science from Chinese University of Hong Kong.

Course Works
  • Operating Systems Architecture
  • Java Programming
  • Relational Database Design & SQL
  • Open Source Project Development.