Nararya Wirazahran ⚡️
Profile
Software Engineering student at SMKN 4 Malang with a strong focus on modern Web & Mobile development, and an avid Cybersecurity / CTF competitor known online as SiapaHeker. 2x consecutive Grand Finalist in Jatim Cybersecurity Competition (JCC 2025 & JCC 2026). Skilled in JavaScript, TypeScript, Flutter/Dart, PHP, and Linux environments with practical experience building deployed web apps (TanamanKu) and cultural mobile apps (SwaraNusa). Proven track record in solving 124+ challenges on CyLab Security Academy, competing in picoCTF 2026, and publishing technical writeups on Medium.
Education

Software Engineering (Rekayasa Perangkat Lunak)

2023 to Present at SMKN 4 Malang, East Java, Indonesia

Experience

Web & Mobile Developer (Project Lead & Author)

From 2024 to Present at TanamanKu & SwaraNusa Projects, Malang, Indonesia

Architected and developed TanamanKu (tanamanku.web.id) using TypeScript and Next.js. Engineered the SwaraNusa cultural ecosystem featuring an interactive web application and a cross-platform Flutter quiz mobile application with 3 interactive game modes.

Security Researcher & CTF Competitor (SiapaHeker)

From 2024 to Present on CyLab Security Academy, TryHackMe & picoCTF

Solved 124+ challenges on CyLab Security Academy across Web Exploitation (35), General Skills (33), Reverse Engineering (19), Forensics (15), Cryptography (11), Binary Exploitation (6), and AI (4). Achieved 3,350 points (Rank 1,621) in picoCTF 2026.

Technical Writer & CTF Documentation

From 2024 to Present on Medium (@siapaheker) & GitHub

Authored in-depth technical writeups on binary exploitation (PIE addresses, memory layout with pwndbg), web security (Server-Side Template Injection, SSL SAN subdomain enumeration), and reverse engineering.

Certifications & Achievements
  • Jatim Cybersecurity Competition (JCC) 2026 — Diskominfo Jatim: Grand Finalist (Top 40 Finalist Teams out of 403 teams / 159 schools across East Java)
  • Jatim Cybersecurity Competition (JCC) 2025 — Diskominfo Jatim: Grand Finalist (Offline Grand Finals Qualifier at Malang Creative Center)
Skills
  • TypeScript
  • JavaScript
  • Next.js & React
  • HTML5 & CSS3
  • TailwindCSS
  • MySQL
  • PostgreSQL
  • Prisma ORM
  • Linux / Kali
  • Git & GitHub
  • Burp Suite
  • Wireshark
  • pwndbg / GDB
  • Web Exploitation
  • Reverse Engineering
  • Cryptography
  • Forensics
  • OSINT
  • ffuf / Gobuster
  • Technical Writing