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I will fix complex PHP bugs optimize sql databases secure your code

K
kalnoir7089
K
kalnoir7089
Roni N
fix complex PHP bugs optimize sql databases secure your code
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fix complex PHP bugs optimize sql databases secure your code

About this gig

Is your website crashing, loading too slowly, or throwing database errors?


Every minute your system is down or underperforming, you lose trust and potential revenue. Poorly structured databases are also ticking time bombs for security vulnerabilities. 


Stop patching leaks and start building a solid foundation. I bring a "security-first" mindset to backend engineering. I will dive deep into your PHP/CodeIgniter scripts and SQL architecture to resolve critical bugs, optimize queries for speed, and tighten network-level security.


My Expertise:

  • Resolving fatal PHP/CodeIgniter errors.
  • Relational database restructuring and query optimization.
  • Vulnerability patching and logic flow improvement.


  • Programming language

    • PHP

  • Expertise

    • Algorithms & Data structures
    • Debugging
    • Performance
    • Security
    • Databases

  • Frontend framework

    • Bootstrap
    • jQuery
    • Tailwind CSS

  • Backend framework

    • CodeIgniter

Get to know Roni N

Roni N

Creative Technologist UI UX Design Full Stack Dev

  • FromIndonesia
  • Member sinceAug 2024

  • Languages

    English, Indonesian, Spanish
I am a multidisciplinary Creative Technologist specializing in UI/UX design, web/Android development, and complex database architecture. Whether you need a high-converting digital product designed from scratch, custom concept art, or an expert to fix critical PHP, SQL, and CodeIgniter bugs, I provide an end-to-end solution. I combine a security-first engineering mindset with high-fidelity visual design to build robust and scalable digital experiences.

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