JIN OH

F&B Operating System SaaS for restaurants. Designed and built a multi-service restaurant operating system on a multi-tenant Supabase architecture with Stripe Connect payments and real-time order notifications. Processed 5,000+ orders to date across live restaurant operations.

Technical cofounder leading all architecture, database design, and full-stack development for a real-estate marketplace. Built the web platform in React + Vite, the REST API in PHP, and the native mobile app in Flutter — sole developer across the entire stack. Owns App Store / Play Store deployment, releases, and ongoing maintenance.

Architect and build internal and customer-facing applications across the enterprise, owning solutions from architecture and database design through deployment and ongoing maintenance. Built an Engineers Timesheet application used by 50+ engineers across 2 offices, including AI-powered summary and report-generation features. Architected an ESD gateway API in C# integrating Wibukey physical USB security keys via DLL, enabling the technician portal to read and write hardware key data directly. Architected the Mircom corporate website with multi-level access control, online training modules, dynamic forms, and an integrated booking system; built a companion technician admin portal in .NET 6 and EF Core. Migrated 300,000+ metadata records from Joomla to WordPress with zero downtime via a custom TypeScript data-transform script. Designed and built an eCommerce platform integrated with Microsoft Dynamics AX ERP using PHP and XML. Recovered 50+ lost MS-SQL stored procedures after a ransomware