SYSTEM BUILDER / RAFII

I build AI systems that ship.

AI & Data Optimization and Full Stack Developer

Based in Tangerang Selatan, working in AI & Data Optimization.

Information Systems graduate building full-stack solutions with Python and JavaScript.

STEP 01SELECTED WORKThe Work

BUILD 01SYSTEM FRAME
Rubin Flow project preview
Next.js
TypeScript
React Flow
PostgreSQL
Prisma
ASSEMBLED SYSTEM

Rubin Flow

An AI-native workflow orchestration app for building, running, and monitoring automations on a drag-and-drop canvas, with AI-assisted workflow generation and inspectable per-node results.

BUILD 02SYSTEM FRAME
Surabayay project preview
React
TypeScript
Vite
Tailwind CSS
Express
SQLite
ASSEMBLED SYSTEM

Surabayay

A mobile-first PWA for splitting shared trip expenses, settling balances, tracking budgets, attaching receipts, and planning itineraries with optional AI assistance.

BUILD 03SYSTEM FRAME
CMS Lippo Malls project preview
React
Laravel
Docker
Nginx
ASSEMBLED SYSTEM

CMS Lippo Malls

A content management system used by PT Lippo Malls Indonesia to manage content across its mall websites.

BUILD 04SYSTEM FRAME
Pempek Yoi project preview
PHP
JavaScript
HTML
CSS
ASSEMBLED SYSTEM

Pempek Yoi

An e-commerce platform for Pempek Yoi, a seller of traditional Palembang delicacies, created to expand the business's reach and make its products more accessible.

BUILD 05SYSTEM FRAME
Crypt project preview
Django
Tailwind CSS
Python
JavaScript
HTML
CSS
ASSEMBLED SYSTEM

Crypt

A web application for forecasting cryptocurrency prices and exploring market trends, powered by the NeuralProphet library.

STEP 02CAREER JOURNEYThe Journey

June 2025 - Present

AI & Data Optimization

PT Main Games Indonesia

Jakarta Selatan

  • Automated benchmark clipping tools, boosting dataset size by 1000% and reducing analysis latency by 75%.
  • Refined core video game clipping logic, significantly improving model accuracy and end-user experience.
  • Developed an agentic application that automates dispute document generation, handling end-to-end data retrieval and evidence collection from payment providers.
FastAPIPythonLLMs
Oct 2023 – May 2025

Application Developer

PT Infracom Technology

Jakarta Pusat

  • Developed and delivered custom software solutions to meet diverse client business needs using a range of tools and frameworks.
  • Fulfilled application requirements to enhance internal productivity and streamline business processes.
  • Engineered solutions using low-code tools (Mendix), front-end frameworks (React, Vue), and back-end frameworks (Django, FastAPI, .NET).
MendixReactVueDjangoFastAPI.NET
Aug 2022 – Dec 2022

Application Developer Intern

PT Bank Central Asia Tbk

Jakarta Selatan

  • Developed a full-stack web application on the OutSystems low-code platform to automate critical document approval and reporting for the Financial and Planning Divisions.
  • Streamlined end-to-end financial workflows by designing and implementing an automated document approval system, ensuring 100% adherence to business and compliance procedures.
OutSystemsFull Stack

STEP 03PROFILEThe Person

OPERATOR

I build AI automation, internal business systems, and web products from interface through backend delivery. My stack centers on Python, TypeScript, SQL, Docker, and Linux.

My recent work spans benchmark automation and model-quality systems at Main Games, client applications at Infracom, and a financial approval workflow at BCA.

Outside work, I build products including Rubin Flow, surabayay, and Crypt.

INTERESTS
LLMsE-SportsWeb DevelopmentF1

TRAINING DATA

Sistem Informasi, Big Data

Universitas Multimedia Nusantara • Tangerang Selatan

GPA: 3.77 / 4.0 • June 2023

Thesis: Pemodelan Prediksi Harga Cryptocurrency Menggunakan Algoritma N-Hits, LSTM, dan Prophet Berbasis Web

Relevant Coursework: Web Development, Database Administrator, Artificial Intelligence, Machine Learning

Full StackAI AutomationProduct DesignData Systems

STEP 04CAPABILITIESThe Toolkit

TECHNICAL

  • JavaScript & TypeScript (Next.js, React, Vue)
  • Python (Django, FastAPI)
  • C# (.NET, Entity Framework)
  • Data & Systems (SQL, PostgreSQL, Docker, Linux, Git)

TOOLS

  • OpenCode
  • Cursor
  • Docker
  • Terminal
  • SSH
  • CI/CD

LANGUAGES

  • Bahasa Indonesia (Native)
  • English
  • TOEIC Reading & Listening: 985/990 • TOEFL: 577/677

STEP 05CONTACTSay Hello

OUTPUT READY

I’m open to product, engineering, and AI automation opportunities.

Email me or connect on LinkedIn.