CODE CRAFT
A small selection of projects
BPJK - Information System
A web-based information system built for BPJK Yogyakarta, handling data management and internal workflows with a Laravel backend and MySQL database.
Atha Mabel - Company Profile
A company profile website showcasing Atha Mabel's business, built with Laravel and styled with Tailwind CSS for a clean, responsive presentation.
Literasi Digital - Quiz Application
An interactive digital literacy quiz platform with a full-stack TypeScript setup, featuring cloud storage, containerized deployment, and a scalable PostgreSQL-backed backend.
InflowInsight - SaaS Influencer Marketing
A RAG-based chatbot platform for influencer marketing campaigns, combining hybrid search retrieval, automated data pipelines, and a Dockerized deployment on DigitalOcean.
What people say about working with me
Rafa's ability to design and deliver a reliable RAG-based chatbot for our platform stood out, from architecture decisions down to production deployment, he took full ownership of the technical direction.
Sigit HanafiChief Technology Officer of Inflow Insight
Working with Rafa on the frontend-backend integration was smooth from day one. He's responsive, communicates API changes clearly, and always considers how his backend work affects the UI.
Nanda Iqbal HanafiFrontend Developer of Inflow Insight
Rafa translates system requirements into working solutions with impressive attention to detail. His documentation and structured approach made cross-team collaboration much easier.
Shaffina DewiSystem Analyst of United Tracktor
As a fellow fullstack developer, I appreciated how clean and maintainable Rafa's code is. He writes with scalability in mind and isn't afraid to refactor when it improves the system long-term.
Muhammad Fadhillah Suryo AtmojoFullstack Developer of SUMCO Corporation
Rafa has a solid grasp of retrieval and embedding pipelines. Our discussions on hybrid search and evaluation metrics were genuinely insightful. He builds AI systems that are grounded in real engineering rigor.
Saidil HalimData Scientist of Dolfin - Advisor Lauren
My work experience
My approach
Planning & Strategy
Collaborate to map out the project goals, target audience, and key functionalities. Discuss things like site structure, navigation, and content requirements.
Development & Progress Update
Once agree on the plan, I cue my music playlist and dive into coding. From initial sketches to polished code, I the information updated every step of the way.
Development & Launch
This is where the magic happens! Based on the approved design, I'll translate everything into functional code, building the project from the ground up.