Lee is available for hire
Hire LeeLee Ming Yau
Verified Expert in Engineering
Software Developer
London, United Kingdom
Toptal member since June 28, 2022
Bio
Lee is a skilled software developer with eight years of experience providing expert web and mobile application solutions, specializing in C#, .NET, and JavaScript. Lee is a passionate problem solver, always striving for a balanced solution between resources, quality, and time.
Portfolio
WiseTech Global
.NET, .NET 7, C#.NET WinForms, Blazor, SQL
SEB Group
.NET 5, C#, Blazor, React, Web API, .NET Core, C#.NET, ASP.NET Core, APIs...
Sitecore
Sitecore, JavaScript, C#, .NET, Selenium, Gulp, .NET Core, C#.NET, ASP.NET Core...
Experience
- GitHub - 6 years
- C# - 6 years
- HTML - 6 years
- JavaScript - 6 years
- .NET - 6 years
- Azure DevOps - 3 years
- .NET 5 - 2 years
- Blazor - 1 year
Availability
Part-time
Preferred Environment
Windows, .NET, Visual Studio, Azure DevOps, OpenShift, GitHub
The most amazing...
...thing I've developed is an insurance platform that provides corporate agreement management, quotation, and more flexibility.
Work Experience
Senior Software Engineer
2023 - PRESENT
WiseTech Global
- Contributed to improving the EU customs process for our customers.
- Created a Blazor desktop application to track and automate developer tasks.
- Investigated bugs and patched fixes to different release channels.
Technologies: .NET, .NET 7, C#.NET WinForms, Blazor, SQL
Senior Software Developer
2020 - 2023
SEB Group
- Developed a premium service web API to calculate payable premiums for the company's insurance products while enabling frequent consumption due to its performance.
- Created a plugin-based framework to perform fast development for microservices by focusing on the business logic and providing the framework's core infrastructure.
- Designed and developed a flexible solution to create dynamic insurance products, producing new or modifying existing ones without the back-end changes while allowing a shorter time to market.
- Built a front-end client using .NET 6 Blazor to design new insurance products with a drag-and-drop user interface and premium price simulation.
- Maintained and refactored an application to speed up the performance of generating accounting reports for insurance policy transactions.
Technologies: .NET 5, C#, Blazor, React, Web API, .NET Core, C#.NET, ASP.NET Core, APIs, Azure, Microsoft SQL Server, SQL, Architecture
Software Developer
2019 - 2020
Sitecore
- Created and maintained components for the Sitecore Commerce Storefront using the Sitecore Experience Accelerator (SXA) to help customers speed up their eCommerce website creation.
- Developed small, reusable, and configurable storefront components, available for further customization and extension, written in JavaScript, Knockout.js, HTML, CSS, and C#.
- Managed to speed up Selenium C# and automated UI test suite by 50%.
Technologies: Sitecore, JavaScript, C#, .NET, Selenium, Gulp, .NET Core, C#.NET, ASP.NET Core, APIs, Azure, ASP.NET, Microsoft SQL Server, SQL
Senior Application Developer
2017 - 2019
Sterling RISQ
- Developed a new system using ASP.NET MVC 5 back-end with two front-end clients to automate specific operations, including integrations with the client's recruitment system via web services.
- Integrated Adobe Sign API for e-signing documents with Auth0 and Amazon Cognito for SAML SSO login.
- Designed and developed a dynamic questionnaire, using JavaScript to handle the validations and rendering logic.
Technologies: C#, .NET, JavaScript, HTML, CSS, Bootstrap, Kendo UI, C#.NET, APIs, ASP.NET, Microsoft SQL Server, SQL
Experience
Blazor Browser Extension
https://github.com/mingyaulee/Blazor.BrowserExtensionThe project included an open source NuGet package to build a browser extension with the Blazor WebAssembly application. Compatible with major browsers, including Google Chrome, Microsoft Edge, and Mozilla Firefox, the package helped developers build, debug and publish browser extensions using Blazor.
Web Extensions .NET
https://github.com/mingyaulee/WebExtensions.NetDeveloped an open source package to provide interoperability for web extension APIs within browser extensions context. I utilized the package in Blazor projects while enabling APIs injection into components for consumption.
Education
2011 - 2014
Bachelor's Degree in Actuarial Science
University of Tunku Abdul Rahman - Kuala Lumpur, Malaysia
Skills
Libraries/APIs
Web API, React
Tools
Visual Studio, GitHub, Gulp, C#.NET WinForms
Languages
C#, JavaScript, C#.NET, SQL, HTML, CSS
Frameworks
.NET, .NET 5, .NET Core, ASP.NET Core, ASP.NET, Blazor, Bootstrap, Selenium, Kendo UI, .NET 7
Storage
Microsoft SQL Server
Paradigms
Azure DevOps
Platforms
Azure, Windows, OpenShift
Industry Expertise
Life Insurance
Other
APIs, Actuarial, Statistics, Sitecore, Web Extensions, Architecture
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