Experience｜Steven Lai | CareerProfile

Meco Technology Co., Ltd. / Motuslink Technology Co., Ltd.

Senior Software Engineer | June 2025 - Present

Transferred from Meco Technology to the newly established Motuslink Technology in October 2025.

Motuslink Technology | October 2025 - Present

Analyze requirements and design, develop, and maintain a back-office system for physical therapy clinics.
Work primarily with .NET 6.0, ASP.NET Core MVC, ASP.NET Core Web API, EF Core, MySQL, JavaScript, and jQuery.
Write unit and integration tests and troubleshoot production issues.
Planned, validated, and coordinated a 2026 GCP project-to-project migration covering GKE, Cloud Build, and Cloud SQL.
Use Codex and Claude Code for selected new features. All changes are reviewed manually and verified with unit tests, integration tests, and manual validation before they are committed.

Meco Technology | June 2025 - September 2025

Independently completed multilingual and time-zone conversion features and handled the related requirements analysis, design, development, testing, maintenance, and production troubleshooting.
Implemented multilingual support with .resx resources, database translation data, and frontend i18n.
Displayed dates and times according to the user’s time zone, applied conversions at API boundaries, and stored data using a consistent database time zone.

Backend Engineer | June 2024 - March 2025

Helped the internal IT team resolve deployment failures, create Azure DevOps Git repositories, and configure repository permissions.
Updated GitOps configuration, validated deployments, and investigated deployment issues.
Supported two colleagues with feature development and maintenance, including implementation choices and technical direction.

Full-Stack Engineer | April 2024 - May 2024

Worked on a reception queue system for medical testing services, built with WPF and ASP.NET Core MVC.
Handled requirements analysis, design, development, testing, maintenance, and production issue resolution.
Took over maintenance of the existing WPF queue application and performed client-side installation, configuration, validation, and troubleshooting.
Independently revised an existing EF Core query and reduced execution time from approximately 180 seconds to 7 seconds under the same query conditions, environment, and data volume.

Backend Engineer | December 2023 - March 2024

Investigated POS data anomalies without modifying the POS application itself.
Developed new member API functionality and handled requirements analysis, design, development, testing, deployment, and troubleshooting.
Used .NET 6.0, ASP.NET Core Web API, and ASP.NET Core MVC.

Senior Software Engineer | May 2022 - September 2023

Independently handled an electronic-signature API from requirements analysis and system planning through design, development, deployment, and post-release maintenance.
Used .NET 6, Dapper, AutoMapper, FluentValidation, MySQL, Spire.Doc, and Spire.PDF.
Implemented electronic signatures, document generation, Word-to-PDF conversion, PDF processing, and file download features.
Wrote MSTest unit tests and Postman API automation scripts executed daily through Azure Pipelines.
Maintained production API documentation with Swagger and ReDoc and ran pre-release load testing with k6.
Configured Azure Pipelines and worked with existing Kubernetes and Cloud Run environments for production deployment.
Independently developed an internal Visual Studio VSIX project template to standardize .NET Core API project structure and reduce repeated foundation code.
Conducted proofs of concept for Line Messaging API, RabbitMQ, and Ocelot API Gateway.

E-commerce Platform Engineer | December 2020 - May 2022

Developed and maintained customer-facing shopping sites and internal administration systems.
Handled requirements analysis, system design, frontend and backend development, database work, testing, deployment, and maintenance.
Delivered and launched a Christmas campaign website and a new brand website.
Used ASP.NET MVC for server-side rendering and Vue.js for selected client-side interactions.
Used Dapper, Microsoft SQL Server, and Redis; Redis supported inventory and shopping-cart functions.
Independently handled a bulk-write issue involving a large number of promotional-gift requests and wrote unit tests.

Software Engineer | April 2016 - August 2020

Handled requirements analysis, system design, architecture design, frontend and backend development, database work, testing, deployment, and maintenance for internal and external web systems.
Rebuilt an external ASP.NET Web Forms system as an ASP.NET MVC and Web API application.
Rewrote legacy VBScript functions as .NET Framework console applications.
Mentored new hires and interns and assisted other engineers with development issues.

Backend Engineer | January 2013 - January 2016

Developed and maintained frontend and administration functions for a travel booking system.
Used ASP.NET MVC, ASP.NET Web API, ASP.NET Web Forms, and C#.
Integrated with a booking-center API.
Developed scheduled processing with Windows Forms.
Assisted colleagues with booking API integration.

Software Engineer | November 2011 - February 2012

Independently handled requirements confirmation, system design, frontend and backend development, database design, and testing for an internal data dashboard.
Used ASP.NET Web Forms, Microsoft SQL Server, and jQuery.
The project was not completed during the employment period.

Software Engineer | January 2010 - April 2011

Developed and maintained a government land-administration back-office system.
Worked with a systems analyst and was responsible for implementation.
Handled error investigation, feature changes, new feature development, SQL queries, data correction, deployment, and user support.
Used Classic ASP, ASP.NET 2.0, VB.NET, Microsoft SQL Server, JavaScript, and jQuery.