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HELLO, I’M WAHYU
I’m I Putu Wahyu Mahendra, an Advanced Computing student at the University of Sydney. I build backend systems, explore cybersecurity, and connect the pieces in between.
01 / SELECTED WORK
A closer look at what I build.
Choose a project to explore.
A self-hosted storage backend. Files become encrypted chunks, stored in the cloud and reconstructed for their authenticated owners.
Explore projectFrom simulated attacks to actionable alerts. A multi-node Wazuh lab for exploring log collection and security detection.
Explore projectConnecting GitHub to Jenkins and Gradle for automated build and deployment workflows, with ngrok for webhook testing.
Explore project02 / WORKING WITH OTHERS
Building things is a team effort.
University of Sydney Cyber Security Society
Managing cloud infrastructure for CTF competitions, automating security challenge deployment with Docker and IaC principles, and supporting workshops and training.
Linux, networking, and keeping competitions running.
University of Sydney Cyber Security Society
Contributed to competition challenges and training materials, and helped the executive team organise society events.
Perhimpunan Pelajar Indonesia di Australia
Contributed to website backend development, database development, and data management as part of the IT team.
The person behind the projects.03 / A LITTLE ABOUT ME
I’m a penultimate-year Bachelor of Advanced Computing student at the University of Sydney, majoring in Computer Science and Cybersecurity.
I’m interested in how systems and security fit together—from backend development to understanding vulnerabilities and investigating logs. Away from engineering, photography is another interest of mine.
04 / THE TOOLKIT
Best understood through the work above.
Python, SQL, Java, C, R, JavaScript, HTML, CSS, React, Next.js
FastAPI, PostgreSQL, SQLAlchemy, Docker, Jenkins, Gradle, Alibaba Cloud
Wazuh, Kali Linux, Wireshark, Burp Suite, Linux networking
05 / SAY HELLO
Get in touch about internships, engineering,
or a project we could work on together.