Roland Cadavos

Client: US Montessori Schools

• Building a multi-tenant SaaS application using React/Next.js and .NET Core, leveraging TypeScript and TanStack React Query for efficient data fetching and state management. Implementing pixel-perfect UI components from Figma designs with Tailwind CSS, ensuring consistent design systems and optimal user experiences.
• Integrating Fortis for payment processing and QuickBooks for accounting—syncing transactions, customers, and financial data with product workflows.
• Leading frontend development initiatives, conducting code reviews, and mentoring team members on best practices and modern JavaScript/TypeScript patterns.

Certification Hub

• Developed and maintained full-stack features for a WordPress application, customizing themes, plugins, and integrations.
• Architected and developed scalable backend systems using NestJS, TypeORM, and Express.js with GraphQL (Apollo) for efficient API design and data fetching.
• Built React frontend applications with Tanstack React Query and TypeScript, integrated with Auth0 for secure authentication and authorization.

Software Development Department

• Designed and developed software applications for clients using Express.js, JavaScript, PHP, and various database technologies (PostgreSQL, MySQL, MSSQL).
• Built full-stack solutions using the MEAN stack (MongoDB, Express.js, Angular, Node.js) and PHP frameworks (Symfony, CodeIgniter, Laravel).
• Customized and integrated CRM systems (SugarCRM, SuiteCRM) and shipped rich client work with Ext JS, Backbone.js, and Underscore.js, streamlining business operations and improving customer relationship management.