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Yoshuwa/README.md

Yoshuwa

Product-focused Software Engineer | .NET, SQL Server, PHP & e-commerce systems

I build practical software that turns complex business workflows into reliable products. My recent work spans developer tooling, database automation, e-commerce operations, shipping integrations, and B2B sales workflows.

I am open to software engineering roles, consulting engagements, and product collaborations.

Email me · LinkedIn · GitHub

Recent projects

A LiteCart add-on for presenting the EU legal guarantee notice and managing product-level GARAN labels. It supports all 24 official EU languages, automatically follows the storefront language, provides language-specific destination URLs, and includes searchable, database-paginated catalog management with filtered bulk updates. Installation uses a vMod, so merchants do not need to edit their storefront theme manually.

PHP LiteCart EU consumer information Localization Catalog management E-commerce

A guided and resumable migration tool that moves established WooCommerce stores to LiteCart through the official WooCommerce REST API. It supports products, variations, images, customers, orders, coupons, reviews, refunds, downloads, relationships, and selected metadata, with preview mode, background processing, checkpoints, incremental synchronization, verification reports, and guarded rollback. The migration engine has been tested with a synthetic catalog of 500,000 products.

PHP WooCommerce REST API MySQL/MariaDB Background processing Data migration E-commerce

An e-commerce operations add-on that turns insufficient-stock cart failures into a structured partial-fulfillment and restock-request workflow. It includes operational queues, staff assignment, supplier purchase orders, PDF and Excel exports, barcode scanning, inventory auditing, and secure commercial licensing.

PHP MySQL/MariaDB JavaScript REST APIs E-commerce Operations automation

An end-to-end shipping integration connecting LiteCart checkout and order administration to the Sendify API. It provides live carrier rates, safe post-order booking, tracking and label workflows, bulk shipment transfer, retry handling, and a Kanban-style fulfillment dashboard.

PHP REST APIs Shipping integrations Background jobs E-commerce

A LiteCart add-on for quote-led and B2B sales workflows, including quote requests and lead email notifications. It helps merchants support customers who need a conversation and a tailored quotation before placing an order.

PHP MySQL/MariaDB B2B commerce Email workflows LiteCart

A deterministic SQL-first generator that turns SQL Server schemas into structured ASP.NET Core solutions. It can generate APIs, Swagger/OpenAPI documentation, Razor Pages or Blazor clients, security and multi-tenant patterns, tests, and validation workflows using predictable templates.

C# .NET ASP.NET Core SQL Server Blazor OpenAPI Code generation

An open-source cross-platform desktop application for safely previewing, configuring, installing, and generating SQL Server CRUD stored procedures with sp_CRUDGen. Built with Avalonia and .NET, with explicit confirmations, non-destructive validation, and no credential persistence or telemetry.

C# .NET 8 Avalonia SQL Server T-SQL Desktop development

What I bring

  • Product-minded engineering focused on real operational problems
  • Full-stack delivery across APIs, databases, desktop tools, and web applications
  • Strong SQL Server, data-modeling, automation, and integration experience
  • Production-minded work: validation, observability, security, performance, and maintainability
  • Clear documentation and workflows that make software easier to adopt and operate

Core technologies

Backend: C#, .NET, ASP.NET Core, PHP, REST APIs
Data: SQL Server, T-SQL, MySQL, MariaDB, Entity Framework Core
Frontend & desktop: Blazor, Razor Pages, JavaScript, HTML, CSS, Avalonia
Engineering: Code generation, API integrations, multi-tenant systems, e-commerce, testing, automation

Let's talk

If you are building a developer tool, data-heavy business application, e-commerce product, or API integration, I would be glad to discuss how I can help.

Send an email · Connect on LinkedIn

Real problems. Practical solutions.

Pinned Loading

  1. sql2solution sql2solution Public

    sql2solution: SQL Server to professional ASP.NET Core API solutions, faster.

    2

  2. COT-Live-Session-with-SignalR-Integration-demo COT-Live-Session-with-SignalR-Integration-demo Public

    COT Live Session with SignalR Integration demo

    JavaScript 1

  3. sql-stored-procedures-crud-generator sql-stored-procedures-crud-generator Public

    Open-source desktop UI for generating SQL Server CRUD stored procedures with Kevin Martin's sp_CRUDGen. Preview, configure, install, and create procedures safely.

    TSQL