Full-Stack Developer, SRE & Security Researcher (wenkhairu)
Building with Grit & Empathy
I specialize in creating robust digital solutions that bridge the gap between technical excellence and human-centric design. From AI-driven systems to high-performance CLI tools.
Beyond the Code
I am Khairu Aqsara, a Yogyakarta-based developer who believes that software is more than just logic—it's a foundation for human progress.
My journey is driven by an authentic pride in the craft. Beyond traditional development, I am an active participant in the cybersecurity community, frequently competing in CTF (Capture The Flag) competitions and documenting my findings. Whether I'm optimizing a Kubernetes cluster, architecting a Laravel backend, or analyzing vulnerabilities, I approach every project with the mindset of a "Kuli Kode"—a dedicated laborer who values grit, persistence, and continuous learning.
When I'm not in front of a terminal, you'll find me being a devoted father or immersing myself in the world of cinema. I believe that being a movie enthusiast helps me understand storytelling, which translates into building better user experiences.
Fatherhood
My core motivation and greatest project.
Cinema
Inspired by visual storytelling and narratives.
Location
Crafting from Yogyakarta, Indonesia.
Developer Program
Verified GitHub Developer Program Member.
Technical Arsenal
A diverse range of technologies leveraged to build scalable and modern software.
Backend & Cloud
- PHP (Laravel / Moodle)
- Go & Python
- Kubernetes & Docker
- SRE & DevOps
Web Interface
- JavaScript / ES6+
- Tailwind CSS
- Chrome Extensions
- Responsive Design
AI & Security
- AI RAG Implementation
- CTF & Vuln Analysis
- Post-Quantum Crypto
- Terminal UIs (Go)
Workflow
- Git (Power User)
- Bash & Zsh Scripting
- Linux Administration
- CI/CD Pipelines
Cybersecurity Research
Capturing Flags, documenting vulnerabilities.
Under the alias wenkhairu, I actively participate in global CTF competitions, focusing on Web Exploitation, Reverse Engineering, and Infrastructure Security. I believe in the principle of "learn by doing" and share my knowledge through detailed technical write-ups.
The Security Mindset
Software security isn't a feature; it's a fundamental requirement. My background in CTFs allows me to approach development from an attacker's perspective, ensuring that the systems I build are resilient by design.
-
Vulnerability Research
Deep dives into software internals to identify and mitigate potential attack vectors.
-
Infrastructure Hardening
Applying SRE principles to secure Kubernetes and cloud-native environments.
Selected Works
A showcase of passion projects and technical solutions.
moodle-blocks_terusrag
A sophisticated Moodle block that implements Retrieval-Augmented Generation (RAG) for AI-driven personalized learning experiences.
hostscanner
Fast network host discovery tool written in Go, featuring a sleek and efficient Terminal User Interface (TUI) for network administrators.
moodlebox
A powerful infrastructure tool designed for rapid Moodle deployment, providing easy-to-manage instances for educational environments and development.
moodle_dev_mcp
A Model Context Protocol (MCP) server that provides AI agents with deep access to Moodle developer documentation and technical standards.
git-cs
A powerful shell script for selective Git commits, enabling developers to stage and commit changes with a streamlined, interactive CLI experience.
The Philosophy
Kuli Kode: The Art of Digital Labor
"In an era where AI can generate code, the value of a developer lies in their empathy, their judgment, and their willingness to labor in the trenches to build foundations that last."
Grit
Persistence in solving the most complex architectural bottlenecks without taking shortcuts.
Craft
Viewing every line of code as a building block that deserves care, precision, and authentic pride.
Humanity
Putting people first—whether it's my family, my team, or the end-users of my software.
Let's build something remarkable
Currently open to new collaborations and challenging technical problems.