Leonard Jonathan Saputra
Informatics Engineering Student at Universitas Sebelas Maret (UNS)
Specializing in Cyber Security (Offensive Security, Web Application Penetration Testing, Threat Modeling, Incident Response) and Full-Stack Software Engineering (React, Laravel, Next.js, Node.js).
Core Technical Stack
- Cyber Security & AppSec: Web Penetration Testing (OWASP Top 10), Burp Suite, Wireshark, Kali Linux, CVSS Scoring & Remediation, Threat Modeling.
- Backend & Infrastructure: Laravel (PHP), Node.js, Express, PostgreSQL, MySQL, Redis, Linux System Administration (Red Hat Academy).
- Frontend & UI/UX: React, Next.js, TypeScript, Tailwind CSS, Bootstrap, Figma (UI Design & Wireframing).
Featured Projects
- Deception Honeypot Intelligence Platform: A Node.js honeypot that captures suspicious login attempts, classifies attacker behavior, builds actor fingerprints, and generates incident reports.
- Academic Task Management System: Full-stack academic productivity platform built with Laravel, React, Inertia.js, Tailwind CSS, and PostgreSQL.
- SIF 2026 E-Ticketing Platform: Seminar registration and automated ticketing backend for Smart IT Festival 2026.
- Church Profile Website: Responsive public-facing church profile website built with clean frontend architecture.
- Cyber Academy PT Vulnapp Penetration Testing Challenge: Black-box web security assessment and comprehensive technical vulnerability report.
Certifications
AWS Academy Cloud Foundations, Cisco CCNA: Introduction to Networks, Cisco IT Essentials, Oracle Academy Database Design, Red Hat System Administration, Universitas Sebelas Maret Operating Systems Fundamentals & VR Multi-User Research.
Contact & Profiles
Email: leonardjhth091@gmail.com | GitHub: github.com/lelyonn | LinkedIn: Leonard Jonathan Saputra
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