Build for usefulness, then optimize for intelligence.
Technology creates value when it solves a real problem reliably.
Building AI systems end to end, from models to the infrastructure that runs them.
ITS — Information Technology
WIB
Principles that shape how I approach engineering, research, leadership, and responsibility.
Build for usefulness, then optimize for intelligence.
Technology creates value when it solves a real problem reliably.
Research creates possibilities, engineering turns them into systems and solutions.
Ideas become meaningful when they can operate beyond experiments and notebooks.
Hasta El Final.
Take responsibility for the outcome, keep moving through every setback, and see every commitment through to the end.
An AI-powered career and recruitment platform for candidates and companies — CV review, career planning, interview workflows, job applications, recruitment management and AI-assisted candidate evaluation in one system.
Technologies: React.js / Vite / Node.js / Express.js / PostgreSQL / FastAPI / Faster-Whisper / Google AI Studio / OpenRouter
A containerized, end-to-end data platform: real-time event ingestion, streaming transformation, medallion data layers, automated model training, experiment tracking, model registration and API-based inference.
Technologies: Apache Kafka / Apache Spark / PySpark / MinIO / MLflow / PostgreSQL / FastAPI / JupyterLab / Docker / Docker Compose
A tabular machine-learning solution for an international material-property prediction challenge, built on a piecewise Gaussian Process Regression approach.
1st Place Winner — Final leaderboard score 0.13689
Technologies: Python / Pandas / NumPy / Scikit-learn / Gaussian Process Regression
An internal knowledge assistant that retrieves from document collections and generates grounded answers — hybrid retrieval, reranking and locally managed language-model inference.
Technologies: Python / FastAPI / Next.js / PostgreSQL / Vector retrieval / BM25 keyword retrieval / Reranking / Local LLM inference
86.67% context recall — 78.89% context precision
Confidential professional work — details kept general.
A conversational data assistant that turns Bahasa Indonesia business questions into read-only SQL queries and returns structured insights through a Telegram interface.
Technologies: Python / ClickHouse / Local LLM runtime / Telegram Bot API / FastAPI / SQL / YAML
100% query execution success on hard-level test cases
Confidential professional work — details kept general.
AI Top Trends
Cyber Security and Smart City Laboratory
Avalon AI
PT PAL Indonesia
Institut Teknologi Sepuluh Nopember
Practicum from preprocessing to generative AI; mentored students building models across tabular, text, image and multimodal tasks.
Subnetting, routing, firewalls and IPTables; topology troubleshooting in Cisco Packet Tracer and GNS3.
ERD design, normalization, MySQL DDL/DML, triggers, stored procedures and MongoDB.
C practicum covering recursion, pointers, structs, sorting and searching.
1st Place Winner — International Kaggle Competition
A piecewise Gaussian Process Regression pipeline for material-property prediction on tabular data — exploratory data analysis, preprocessing, validation and model optimization.
Machine Learning / Tabular Regression
3rd Place — International category
Organized by Universitas Kristen Satya Wacana. Two solutions across different data modalities: a flood segmentation model on image data and a crop recommendation model on tabular data.
Computer Vision / Tabular Machine Learning
Education
Bachelor of Computer Science — Information Technology
Surabaya, Indonesia
| Certification | Issuer | Issued | Credential ID | Verification |
|---|---|---|---|---|
| Data Scientist Associate | DataCamp | Aug 30, 2026 | DSA0017768401056 | Verify Credential ↗ |
| AI Engineer for Developers Associate | DataCamp | Aug 29, 2026 | AIEDA0014229899665 | Verify Credential ↗ |
| AI Engineer for Data Scientists Associate | DataCamp | Aug 29, 2026 | AEDS0010886080053 | Verify Credential ↗ |
| Data Engineer Associate | DataCamp | Aug 29, 2026 | DEA0011967326731 | Verify Credential ↗ |
| Python Fundamental for Data Science | DQLab | Jul 29, 2025 | DQLABINTP1BNCAQL | Verify Credential ↗ |
| Panduan LLM untuk Developer: Dasar hingga Aplikasi Praktis | Udemy | Jul 2025 | UC-099b0445-17ab-4b3e-a66d-b3913b52e35f | Verify Credential ↗ |
Let's build something useful.
Usefulness first, intelligence second. If you have a real problem worth solving reliably, write to me.