Thien Nguyen Le Quynh is a Software Architect with 11 years of hands-on experience designing and implementing backend systems, currently based between Vietnam and the UK. He combines practical engineering with leadership, working as a Technical Manager at NashTech while maintaining a strong open-source presence as the creator of SimplCommerce and a Microsoft MVP. His contributions span .NET and Java ecosystems, including significant backend and API work on the cross-platform SimplCommerce modulith and the sample microservices project YAS where he built and refactored product and category services. Known for pragmatic problem-solving, he focuses on clean APIs, database migrations, and authorization/audit concerns that make systems reliable and maintainable. Outside of work he balances family life with ongoing OSS creation, signaling sustained curiosity and long-term commitment to developer tooling and e‑commerce platforms.
A simple, cross platform, modulith ecommerce system built on .NET
Role in this project:
Back-end Developer
Contributions:5 releases, 769 commits, 452 PRs in 5 years 10 months
Contributions summary:Thien's contributions primarily revolved around making adjustments to the backend codebase. This involved setting product ratings to be nullable, fixing syntax errors in SQL, and adding an entity name to the reviews API. The user's work included changes related to database migrations, SQL scripts, and API modifications.
YAS: Yet Another Shop, a sample microservices project in Java
Role in this project:
Full-stack Developer
Contributions:165 reviews, 158 commits, 383 PRs in 11 months
Contributions summary:Thien primarily worked on the product service of the "YAS: Yet Another Shop" microservices project. Their contributions focused on initializing the product service and adding product category features, involving the creation of models, repositories, controllers, and view models. Further work included refactoring the REST API for category management, adding audit columns, and handling authorization, demonstrating a focus on both backend and API development aspects of the project.
spring-bootecommercekeycloakyasyet-another
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Thien Nguyen Le Quynh - Software Architect at NashTech