Hi, I'm Roland Cadavos

Work Experience

1. Senior Full Stack Developer

   PiCode Solutions (US client, Montessori schools)

   09/2023 – Present

   (2 yrs, 11 mos)

   

   Philippines (Remote)

   • 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 (Intuit) 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.

   Next.jsTypeScriptTanstack QueryTailwind CSSReactFortisQuickBooks
2. MEAN/React Developer

   CoDev (US client)

   04/2023 – 09/2023

   (6 mos)

   

   Philippines (Remote)

   • Developed full-stack applications using the MEAN stack (MongoDB, Express.js, Angular, Node.js) and React for dynamic user interfaces.
   • Built responsive web applications with TypeScript, ensuring type safety and improved code maintainability.
   • Created modern UI components using Bootstrap and custom CSS, delivering consistent and accessible user experiences.

   MongoDBExpressAngularNode.jsReactTypeScriptBootstrapMaterial UI
3. Senior Backend Developer

   OUTCERT — The Certification Hub

   09/2020 – 02/2023

   (2 yrs, 6 mos)

   

   Israel (Remote)

   • 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.
   • Managed MongoDB databases and maintained WordPress sites, ensuring optimal performance, security, and seamless transitions to modern web applications.

   NestJSExpressGraphQLReactTanstack QueryTypeScriptMongoDBWordPress
4. Full Stack Developer

   CoCreators Group

   01/2020 – 08/2020

   (8 mos)

   

   United States (Remote)

   • Developed automated cron jobs to fetch and synchronize data from tadpoles.com, ensuring reliable data integration and real-time updates.
   • Built and customized SuiteCRM system for online enrollment web applications, streamlining student registration and management processes.
   • Built admin dashboard for managing student's profile, leads, enrollment, attendance, and other related data.

   PHPJavaScriptSuiteCRMCodeIgniterPostgreSQL
5. Full Stack Developer

   Simple Salt — DIY Traffic Guy

   02/2019 – 12/2019

   (11 mos)

   

   United States (Remote)

   • Developed a comprehensive referral and viral marketing application replicating Upviral.com functionalities, enabling businesses to create and manage referral campaigns.
   • Built full-stack solutions using PHP, JavaScript, and modern databases, delivering scalable and performant web applications.
   • Built a comprehensive admin dashboard to manage users, campaigns, referrals, rewards, analytics, fraud detection, and system configurations, enabling efficient platform operations and data-driven decision-making.

   PHPJavaScriptPostgreSQLCodeIgniter
6. Wordpress Developer

   Real Estate IQ

   09/2018 – 02/2019

   (6 mos)

   

   United States (Remote)

   • Develop and maintain custom WordPress themes and plugins, ensuring responsive design, performance optimization, and clean, reusable code.
   • Customize and extend WordPress functionality by integrating APIs, third-party services, and implementing business-specific features.
   • Manage website performance, security, and updates, including troubleshooting issues, optimizing database queries, and ensuring SEO best practices are followed.

   PHPJavaScriptWordPress Theme/Plugin DevelopmentjQueryAdvanced Custom FieldsMySQL
7. Backend Developer

   Codal

   08/2017 – 08/2018

   (1 yr, 1 mo)

   

   United States (Remote)

   • Developed backend solutions for medical applications, ensuring compliance with healthcare industry standards and data security requirements.
   • Built robust APIs and database systems using PHP, JavaScript, and various database technologies to support critical healthcare workflows.
   • Update legacy react.js components that calls the REST API to display the data in the UI.

   PHPJavaScriptreact.jsPostgreSQL
8. Software Engineer II

   Concentrix

   12/2015 – 08/2021

   (5 yrs, 9 mos)

   

   Philippines (On-Site)

   • Designed and developed software applications for clients using Express.js, JavaScript, PHP, Laravel, and various database technologies (PostgreSQL, MySQL, MSSQL).
   • Built full-stack solutions using the MEAN stack (MongoDB, Express.js, Angular, Node.js) and PHP frameworks (Laravel, Symfony, CodeIgniter).
   • 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.

   PHPAngularLaravelCodeIgniterSymfonySugarCRMSuiteCRMExpressJavaScriptPostgreSQLMySQLMSSQLMongoDBNode.jsExt JSBackbone.jsUnderscore.js