Last updated: 26/11/2025

RAFI DAFFA RAMADHANI

hello@rafidaffa.com  |  +62 878-2010-2004  |  rafidaffa.com  |  59200 Kuala Lumpur, Malaysia

Profile

Computer Science (Artificial Intelligence) student at Universiti Malaya and Data Intern at TikTok. Experienced in data analytics, business analysis, machine learning, and full-stack development. Passionate about transforming data into actionable insights and building impactful digital solutions.

Education

Universiti Malaya (UM), Malaysia
B.Sc. Computer Science (Artificial Intelligence)
Oct 2022 – Present

  • Dean's List (2x)

KAIST – Korea Advanced Institute of Science & Technology, South Korea
School of Computing (Exchange Semester)
Sep 2024 – Jan 2025

  • GKS Scholarship recipient

Work Experience

TikTok (Bytedance)
Data Intern (GBS CST ID)
Jan 2026 – Present

  • Support revenue growth initiatives through data analytics and business analyst workflows.
  • Build data pipelines and automation frameworks using SQL and Python to track KPIs across markets.
  • Design interactive dashboards for cross-market trend visualization and strategic decision-making.

PT. Katalis Lintas Global
Head of IT Department & Co-Founder
Aug 2024 – Nov 2025

  • Co-founder and lead developer of katalislintasglobal.com.
  • Developed an enterprise-level trading platform with integrated contact management, project tracking, and multi-currency financial systems.

Xquisite AI
AI Engineer Intern
Feb 2025 – Mar 2025

  • Developed AvatarAI, a real-time AI video conversation system using Qdrant vector database, LLM response generation, and avatar animation.
  • Created seamless AI-powered video call experiences for user interactions.

Nada Sua Sdn. Bhd.
Head of Website Division
Oct 2023 – May 2024

  • Led development of the official Poernamafest website and e-commerce merchandise platform.
  • Coordinated with design and marketing teams to deliver event-ready digital products.

Organizations

PPI Dunia (Overseas Indonesian Students' Association Alliance)
Deputy Director of Data Center and Digitalization
Nov 2025 – Present

  • Co-leading the Directorate of Data Center and Digitalization. Managing three divisions to handle digital systems, data management, and platform integration across PPI Dunia.

PPI Malaysia (Indonesian Students Association)
Head of Data and Information System Bureau
Mar 2025 – Dec 2025

  • Led a team of 12 to develop and manage digital platforms for Indonesian students in Malaysia.

PPI University Malaya (Indonesian Students Association)
Intellectual Division
Mar 2022 – Dec 2023

  • Created and launched UM Notes (notes.ppiunimalaya.id), a platform for University Malaya students to share course materials.

Projects

Tattle (University Project, 2025) — Voice-to-voice chatbot platform that converts uploaded documents into interactive voice assistants. Users can speak questions and receive spoken answers grounded in their documents. Built with Whisper for speech recognition, multiple LLM providers (Gemini, Mistral, Z.ai), Edge TTS for voice synthesis, and vector-based document retrieval. Supports 544+ voices across 50+ languages.

5 Seconds of You (Senara Creative Artfest, 2025) — Interactive AI art installation that uses computer vision to detect visitor faces and analyze attributes such as gender, age, ethnicity, and mood. The analyzed data is processed by a language model to generate personalized self-love messages displayed to visitors.

AvatarAI (Xquisite AI, 2025) — Real-time video conversation system where users speak naturally and receive responses from an animated AI avatar. Integrates speech recognition, document retrieval, language model processing, and voice synthesis with real-time avatar animation.

Speech-to-Speech ChatBot (Xquisite AI, 2025) — Voice-only conversational assistant that listens to user speech, retrieves relevant information from a knowledge base, generates responses using a language model, and speaks the answer back to the user.

KTMB Dynamic Fare (Course Project, 2025) — Machine learning prototype for optimizing KTM Berhad train fares based on demand patterns using Random Forest regression.

Next Word Autocomplete (Course Project, 2025) — Text prediction model built with Bidirectional LSTM networks to suggest the next word based on input context.

InJourney Panel (Injourney, 2025) — Dashboard system for InJourney, an Indonesian state-owned enterprise, to manage internal and external events with an integrated AI-powered risk management module.

Senarafest (PPI Malaysia Project, 2025) — Cultural art festival website featuring event submissions, ticketing system, and sponsorship management.

Whisper of the Path (University Project, 2025) — Virtual reality game developed for a university course using Unity and Blender.

PPIM Calendar (PPI Malaysia Project, 2025) — Responsive calendar system with a backend portal for departments to publish and manage events.

UM Notes (PPI UM & Coursework, 2023) — Resource-sharing platform for UM students with contributor roles and content verification.

Poernamafest Website & Store (Nada Sua Sdn. Bhd., 2023) — Official festival website and merchandise e-commerce platform for Poernamafest.

Skills

Machine Learning & AI: Deep Learning, Natural Language Processing, Computer Vision, Speech Recognition (ASR), Text-to-Speech (TTS), Retrieval-Augmented Generation (RAG), Prompt Engineering, Vector Embeddings
Frameworks & Libraries: PyTorch, TensorFlow, Keras, Transformers, LangChain, Whisper, Scikit-learn, NLTK, OpenCV
Web Development: React, React Native, HTML5, CSS3, JavaScript, Bootstrap, Tailwind CSS, Material UI, jQuery, GSAP, Gradio, WordPress
Backend & Databases: Python (Flask, Django), PHP (Laravel), Java (Spring), Node.js, MySQL, SQLite, Qdrant
Tools: Git, Linux/Ubuntu, Postman, Figma, Unity, Blender


© Rafi Daffa Ramadhani. All rights reserved.