I will test web application security and write custom scripts

J
jonhn_kazu
J
jonhn_kazu
John K
test web application security and write custom scripts
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test web application security and write custom scripts

About this gig

Welcome! If you are looking for custom automation scripts, quick bug fixes, or web application security checks, you are in the right place.

Services I offer:

  • Custom automation scripts in Python, Bash, PHP, and JavaScript
  • Web application security testing & vulnerability checks (XSS, SQLi, broken access control)
  • Bug fixing and error troubleshooting in your existing web apps
  • Performance optimization and custom backend logic

Why choose this Gig?

  • Clean, well-commented, and efficient code
  • Quick turnaround time and clear communication
  • Focus on security best practices

Please contact me before placing an order so we can discuss your specific project requirements and find the best custom solution for you!

  • Programming language

    • HTML & CSS

  • Expertise

    • Performance

  • Frontend framework

    • Bootstrap
    • Vue.js

  • Backend framework

    • Laravel

Get to know John K

John K

Linux Administrator Web Dev Aegisub Subtitle Specialist

  • FromRomania
  • Member sinceFeb 2026

  • Languages

    English, Romanian
I am a versatile Technical Specialist with dual expertise in web backend infrastructure and digital media localization. I specialize in Linux VPS management, Laravel deployment, and frame-accurate Aegisub subtitle timing and typesetting. I am dedicated to delivering high-quality technical setup and translation services for global clients.

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