Portfolio 2025

Hi, I'm
Yodha Agasthya

Informatics Engineering Student  /  Full-Stack Developer  /  Cybersecurity & AI Enthusiast

Building scalable web experiences with a security mindset and AI curiosity.

Crafting performant, secure, and beautiful digital products — from backend architecture to polished frontends.

Yodha

Full-Stack Dev

Laravel Express.js Security AI/ML
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01 — About

A bit about me

I am an Informatics Engineering student at Universitas Muhammadiyah Surakarta with over 3 years of coding experience. I work primarily as a full-stack developer, with a strong interest in cybersecurity and a growing focus on AI. I enjoy building digital products that are clean, functional, and designed with both usability and maintainability in mind.

My approach to development emphasizes writing code that is easy to understand, reusable, and efficient for long-term collaboration. I value strong teamwork, thoughtful system design, and continuous learning — from shipping web applications to exploring secure development practices and AI-powered solutions.

3+

Years Coding

10+

Projects Built

4+

Certifications

Full-Stack Development

Building end-to-end web applications with a focus on clean structure, maintainable code, and practical functionality.

Security-Oriented Development

Applying secure coding practices, stronger validation, and a defensive mindset to build more reliable applications.

AI Exploration

Continuously exploring AI tools and intelligent workflows to create more adaptive, efficient, and impactful digital solutions.

02 — Skills

Tech Stack

Technologies I use to build full-stack web applications and security tooling.

Frontend

HTML CSS JavaScript Tailwind CSS Bootstrap JQuery

Backend

PHP Laravel Yii2 Code Igniter

Database

MySQL PostgreSQL MongoDB SQLite

Cybersecurity

OWASP Ghidra Kali Linux Basic Pentesting Burp Suite NMap SQLMap

AI & Tools

Python On Going...

Exploring

Go Lang
03 — Projects

Featured Work

A selection of projects that demonstrate full-stack development, security tooling, and AI integration.

Logbook Internship

A web-based internship activity management system designed to support attendance tracking, progress reporting, and daily activity monitoring for both mentors and interns. The platform helps streamline internship supervision and improve documentation throughout the internship period.

  • › Mentor and intern attendance management
  • › Progress report upload and activity documentation
  • › Internship activity monitoring in a centralized system
HTML Tailwind CSS JavaScript PHP Laravel MySQL
GitHub

Monev App With Laravel

A monitoring and evaluation web application built with Laravel to manage regional data, activities, packages, realization, planning, and centralized monitoring. The system is designed to help organize operational data in a structured and efficient way.

  • › Regional data management for monitoring workflows
  • › Activity, package, realization, and planning modules
  • › Centralized monitoring for all recorded data
HTML Tailwind CSS JavaScript PHP Laravel MySQL
GitHub
04 — Experience

Where I've Worked

Real-world exposure through internships, lab work, and freelance projects.

Full-Stack Developer

Infinindotech Karya Sejahtera

June 2025 — January 2026

Served as a Full-Stack Developer, responsible for developing, maintaining, and deploying web-based applications across multiple projects. Worked on both application functionality and system reliability, with additional focus on security improvements and input validation.

  • ▸ Built monitoring and evaluation applications for public-sector projects in Surakarta, Serang Regency, and Bogor
  • ▸ Improved application security by implementing stronger security practices and safeguards
  • ▸ Strengthened form validation mechanisms to improve data accuracy and reduce invalid submissions
  • ▸ Maintained and deployed project websites to support continuous development and operational stability
HTML PHP Yii2 MariaDB JavaScript Linux

Freelance Penetration Tester

KoinWork

November 2023 - December 2023

Performed security testing on KoinWork’s application systems to identify potential vulnerabilities and assess overall security posture. Contributed to improving application security by documenting findings and supporting remediation efforts.

  • ▸ Conducted penetration testing on application systems to identify potential security weaknesses
  • ▸ Assessed common web application risks and security misconfigurations
  • ▸ Documented findings clearly to support remediation and security improvement efforts
  • ▸ Helped strengthen application security awareness through practical testing outcomes
Burp Suite NMAP SQLMap OWASP Linux Web Security Testing

Frontend Developer

BKKBN — SIPUJA Monitoring and Evaluation System

February 2023 — April 2023

Contributed to the development of SIPUJA, a monitoring and evaluation web application for BKKBN, with primary focus on frontend implementation and JavaScript-based interface improvements.

  • ▸ Developed and refined frontend components for the SIPUJA monitoring and evaluation system
  • ▸ Improved user interface behavior and interactivity using JavaScript
  • ▸ Enhanced layout consistency and usability across application pages
  • ▸ Supported the overall development process by maintaining and updating frontend-related features
HTML CSS JavaScript
05 — Credentials

Certifications & Achievements

A collection of certifications, achievements, and milestones from my continuous learning journey.

AdiNusa

Linux System Administration

2025

View Certificate
HackerRank

Python (Basic)

2024

View Certificate
LKS SMK

First Winner LKS Jawa Tengah - Cyber Security

2023

View Certificate
Tech Enthusiast Day

Third Winner CTF Tech Enthusiast Day

2022

View Certificate
06 — Contact

Let's Connect

Open to internships, freelance projects, collaborations, or just a good conversation about tech. Feel free to reach out.

Email

yodhaagasthya07@gmail.com

GitHub

yodh222

LinkedIn

yodha agasthya novianto putra

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