Web Application Development
End-to-end web apps for internal tools, portals, and SaaS products.
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Let's Work Together
I'm available for remote projects, freelance engagements, and long-term partnerships. Whether you need a full-stack developer, backend engineer, or someone to build AI-assisted workflows — let's talk.
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- Email ryanvincecastillo@gmail.com
- Phone +63-951-401-4096
- Location Davao City, Philippines
- Timezone GMT+8 (PHT)
Typical response time: within 24 hours
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Frontend Development
Responsive React and Next.js interfaces focused on usability.
Backend API Development
APIs and services using .NET, Node.js, and SQL/NoSQL databases.
AI Workflow Integration
AI-assisted development workflows and MCP-based tooling.