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
  • Avg. response time1 hour

  • Languages

    English, Indonesian, Spanish
I'm a full-stack web developer specializing in PHP, CodeIgniter, MySQL, and Android. I've built CRM systems, management dashboards, and school websites for clients in government, property, and education sectors. I take a security-first approach: clean architecture, validated inputs, and role-based access control are standard, not add-ons. Got a broken CodeIgniter app or PHP bug? Let's fix it. Need a system built right from the start? I can help. Message me before ordering.

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