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Experience

From leading crypto streams in Indonesia's top university CTF team to assisting lectures and authoring challenges, this is the work that shaped my toolkit.

Cryptography Stream Lead & Player
Heroes Cyber Security (HCS)

Lead and compete in the cryptography stream for HCS, one of Indonesia's top-ranked CTF teams.

CTFCryptographyForensics
Assistant Lecturer
Sepuluh Nopember Institute of Technology

Assisted classes for Information Asset Protection, Operating Systems, Data Structures and Object-Oriented Programming, Ethical Hacking and Penetration Testing, and Cloud Computing Technology.

TeachingMentoringCybersecuritySystems
CTF Challenge Developer
ARA, ICS Cyber Siege, Schematics NPC

Designed and supported cryptography challenges for ARA 6.0 (2), ICS Cyber Siege 2025 (1), Schematics NPC CTF 2025 (3), and ARA 7.0 CTF 2026 (2).

Challenge AuthoringCryptography
Software Engineer / Programmer
Banyubramanta ITS

Improved ROV/AUV systems using STM32 with ROS2, OpenCV, and YOLOv5, and built a UI to speed up behavior-tree construction for missions.

ROS2OpenCVYOLOv5Systems

Awards & Achievements

2nd Place - ARKAVIDIA 10.0 CTF

Mar 2026

Awarded by Institut Teknologi Bandung (National)

Placed second in ITB's flagship national CTF (sponsored by Xendit) as part of Heroes Cyber Security.

3rd Place - HOLOGY 8.0 CTF

Oct 2025

Awarded by Universitas Brawijaya (National)

Secured third place in this national CTF as part of Heroes Cyber Security.

2nd Place - HackToday CTF 2025

Sep 2025

Awarded by Institut Pertanian Bandung (National)

Finished second in this national CTF as part of Heroes Cyber Security.

3rd Place - Meta4Sec Cyber Ops Clash CTF 2.0

Aug 2025

Awarded by Meta4Sec & redlimit (National)

Won third place in this national CTF competition as part of Heroes Cyber Security.

Top 5 - Standoff 15 for Blue Teams

Apr 2025

Awarded by Standoff 365 Team & Positive Technologies (Global)

Reached top 5 in an international cyber battle as part of Heroes Cyber Security.

Best Writeup & Top 10 - RECURSION CTF 1.0

Apr 2025

Awarded by Universitas Hasanuddin (National)

Recognized for clear and deep challenge solution documentation as part of Heroes Cyber Security.

2nd Place - AI vs Human CTF

Mar 2025

Awarded by Hack The Box (Global)

Took second place in an international CTF against AI agents and human teams as part of Heroes Cyber Security.

3rd Place - National Cyber Week CTF

Nov 2024

Awarded by BINUS University (National)

Placed third in BINUS University's national CTF as part of Heroes Cyber Security.

1st Place / Best Strategy - Kontes Robot Bawah Air Indonesia (KRBAI)

Jun 2024

Awarded by Puspresnas / Ministry of Education, Culture, Research, and Technology (National)

Won national underwater robotics competition with a best-strategy recognition as part of Banyubramanta ITS.

Other Awards

Finalist - GEMASTIK Division II (Cyber Security)

2024 & 2025

Top 10 - National Cyber Week CTF

2025

Top 10 - Cyber Breaker Development (CBD) CTF

2025

Top 10 - ARKAVIDIA 9.0 CTF

2025

Top 4 - Netcomp 3.0 CTF

2024

Projects

Personal Website

This page you're currently looking on. Portfolio website built with Astro, Tailwind, and DaisyUI components, with .mdx support.

Open Website

Licky Mobile App

An Android-based mobile application that leverages machine learning to analyze tongue images and detect potential health conditions.

View on GitHub

Attendance System

Attendance tracking system built with Next.js in the form of a web dashboard for monitoring and management by students/teachers.

View on GitHub

eter-windows

My personal highly customized Windows setup, using GlazeWM and Zebar.

View on GitHub

eter-kali-wsl

My personal workflow for using Kali Linux in WSL, with heavily customized dotfiles.

View on GitHub

ECC-Signer

A digital signing system using ECDSA-SECP256k1 for any files.

View on GitHub

Committees

  • • Head of IT Olympiad (ARA 7.0), Sep 2025 – Mar 2026
  • • Expert Staff, IT Olympiad (ARA 6.0), Oct 2024 – May 2025
  • • Staff, IT Olympiad (ARA 5.0), Oct 2023 – May 2024
  • • Intern, Research & Technology Dept (HMIT ITS), Nov 2024 – Feb 2025
  • • Staff of Mentor (INCLENATION 2024), Aug 2024