Hello, I'm Darrell Rafa Alamsyah
Full-Stack Developer specializing in crafting seamless, high-converting digital experiences. From responsive web apps to robust mobile interfaces, I leverage modern frameworks to build performant products that bridge the gap between elegant design and functional code.
Tech Stack
Frontend
Backend
Database
Tools & DevOps
My Services
Web Development
Building fast, scalable, and responsive web applications using modern frameworks like React, Next.js, and Node.js with clean, maintainable code.
UI/UX Design
Designing intuitive user interfaces and seamless user experiences — from wireframes and prototypes to pixel-perfect, accessible final products.
Backend & APIs
Architecting robust RESTful and GraphQL APIs, database design, authentication systems, and cloud infrastructure using modern backend technologies.
Performance & SEO
Optimizing web performance, Core Web Vitals, and search engine ranking to ensure your product reaches the right audience at lightning speed.
Why Hire Me?
AI Software Engineer Intern
InfraLoka
Build an AI-powered medical assistant to help healthcare personnel work more efficiently.
- Designed and implemented a full‑stack Next.js 14 (App Router) application in TypeScript providing an AI medical assistant.
- Integrated OpenRouter API (moonshotai/kimi-k2.5) to deliver evidence‑based medical consultation and interpret clinical data.
- Implemented optional authentication with NextAuth.js (Google OAuth) plus a guest mode for instant access and session management.
- Built a server-side chat API to securely proxy requests to the AI backend while protecting API keys and secrets.
- Created a responsive UI with Tailwind CSS and Heroicons, delivering a real‑time chat experience and accessibility minded layouts.
- Authored project documentation and secure deployment guidance (env vars, NEXTAUTH_SECRET generation, security notes)
Artificial Intelligence / Machine Learning Engineer Intern
CodeAlpha
Working on AI Agent, building intelligent automation tools to streamline workflows and enhance user interactions.
Web Developer Intern
Syntecxhub
Build website by order from office. Remote, India.
Web Developer Intern
Ministry of Communication and Digital INDONESIA (DISKOMINFO Kab. Bekasi)
Developed a Digital Selection & Training Management System for Disnaker using React (Vite), Tailwind CSS, and Express.js. Engineered app routing, structural backend architectures following MVC principles for job management, and admin dashboards with SVG data visualizations to transform static prototypes into a functional, scalable full-stack application for public services.
IT Support Technician
PT Sansan Saudaratex Jaya
Responsible for providing technical support and assistance. Troubleshoot hardware and software issues, manage IT systems. IT Hardware Support, Software Installation. Cimahi, Jawa Barat, Indonesia.
My Certificates
Let's Work Together
Have a project in mind?
I'm always open to discussing new projects, creative ideas, or opportunities to be part of your vision. Let's build something amazing together.