RAFII — AI & DATA OPTIMIZATION

I build AI systems that ship.

Information Systems graduate from Universitas Multimedia Nusantara — specializing in full-stack development, machine learning, and shipping innovative web applications.

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EXPLORER portfolio

1// systems that ship

2const rafii = {

3 role: 'AI & Data Optimization',

4 stack: ['Python', 'TypeScript', 'SQL'],

5 focus: ['LLMs', 'automation'],

6};

8export function build(idea: Idea): Product {

9 const system = design(idea, rafii.stack);

10 return test(system).ship();

11}

Read-onlyTypeScript · UTF-8

$ npm run dev

▲ Next.js 16 — turbopack

✓ Ready in 214ms

type 'help' for commands

SYSTEM BUILDER / RAFII

I build AI systems that ship.

ACTIVE ROLE / AI & DATA OPTIMIZATION

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

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

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INFERENCE ASSEMBLY01 / 05

RAW REQUEST

brief + constraints

Start with the problem, the people using the system, and the constraints.

STEP 01SELECTED WORKThe Work

BUILD 01SYSTEM FRAME

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.

View project

BUILD 02SYSTEM FRAME

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.

View project

BUILD 03SYSTEM FRAME

React

Laravel

Docker

Nginx

ASSEMBLED SYSTEM

CMS Lippo Malls

A Content Management System that were used by PT Lippo Malls Indonesia to manage every content on their Malls website

BUILD 04SYSTEM FRAME

PHP

JavaScript

HTML

CSS

ASSEMBLED SYSTEM

Pempek Yoi

An e-commerce platform for "Pempek Yoi," a seller of traditional Palembang delicacies. This website was created to expand the business's reach and make their products more accessible to a wider audience.

GitHub View project

BUILD 05SYSTEM FRAME

Django

Tailwind CSS

Python

JavaScript

HTML

CSS

ASSEMBLED SYSTEM

Crypt

A web application designed to forecast cryptocurrency prices. This tool helps users predict market trends, featuring a core forecasting function powered by the "Neural Prophet" library.

GitHub

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.

Email Me LinkedIn