Portfolio
Production applications I've built — from multi-tenant SaaS to enterprise platforms
Medical Cleaning Services Management Platform
Upwork (Oct 2023 - Present)
Solo-built enterprise operations platform with complete job scheduling, GPS tracking, QR code integration, multi-role access system (Employee, Client, Admin, Super Admin), real-time notifications, client portal, PDF reports, and bulk Excel imports. Production-ready with comprehensive RSpec testing.
Book Publishing Management Platform
GoTabs Consulting (Jun 2022 - Present)
Multi-tenant SaaS with automated royalty calculations (chain, direct, legacy methods), contract management, author portal with earnings visibility, and sales analytics. Integrated with Forlagssentralen, WooCommerce, Tripletex, and Stripe for billing.
Beauty Pro Job Board & Hiring Platform
Upwork (Jan 2022 - Present)
Two-sided marketplace for beauty professionals and companies. Features include professional portfolios with tier system, company workspaces with role-based access, Stripe subscription tiers, two-way review system, and OAuth API provider via Doorkeeper for third-party integrations.
Domain Registration & Management Platform
Upwork (Sep 2019 - Present)
Complete domain management system with multi-TLD registration, bulk operations, DNS record management, domain sniping service, auto-renewal system, and full e-commerce with Stripe/PayPal integration. Includes admin panel for platform management.
Payroll & HR Management System
Knit People, Canada (2016-2019)
Backend development for payroll processing, HR features, employee management, and tax calculations. Handled complex business logic for multi-region compliance and data processing at scale.
Business Directory Platform
Yoolk, Cambodia (2013-2016)
Backend systems for comprehensive business directory with internal reporting, search optimization, and database performance tuning. Supported thousands of business listings with fast query responses.
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