Pablo Leomart

Laundromat Management Platform, Lavandería Rodríguez

Mar 2026 - Apr 2026 • 1 mo

•Designed and developed a scalable SaaS management platform for laundromat operations using Next.js (TypeScript/TSX) and Node.js / Express, integrating Supabase for relational database management and secure authentication. •Architected and implemented a hybrid billing system capable of handling both service-based pricing (washing, ironing per garment) and product sales (supplies, beverages), fully automating the workflow from order intake to invoice generation and printing. •Developed an advanced financial analytics module that calculates real-time net profitability by correlating revenue streams and operational expenses, delivering actionable insights through dynamic reports and an administrative dashboard. •Engineered multi-currency support and conversion logic, including a dynamic front-end selector to process payments in different denominations with accurate exchange rate application. •Implemented a Role-Based Access Control (RBAC) system to enforce data security, ensuring proper segregation between operational and administrative functionalities. •Designed and optimized a fully responsive user interface, ensuring seamless performance and usability across desktop, tablet, and mobile devices, significantly reducing service and order registration times. •Contributed to system architecture decisions, emphasizing scalability, maintainability, and clean separation of concerns across the application.

Transportation Billing & Debt Management SaaS, Transportation Agency

Dec 2025 - Jan 2026 • 1 mo

•Designed, developed, and delivered a SaaS platform for the administration and financial operations of a transportation agency, collaborating with a multidisciplinary team of professionals. •Engineered and implemented robust CRUD functionalities for efficient client portfolio and debt management, improving data accessibility and operational workflows. •Developed an automated billing and invoicing system, capable of generating, managing, and dispatching invoices directly to clients via email, significantly reducing manual workload and improving billing accuracy. •Implemented system-wide audit logging mechanisms to monitor and track data changes, enhancing security, accountability, and full data traceability. •Contributed to system architecture design, ensuring scalability, maintainability, and alignment with evolving business requirements.