I will fix bugs or add small features to your website or web app

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LucaSzyszkowski

About this gig

Something broken or not quite working right on your website or web app? I debug and fix issues in HTML, CSS, and JavaScript projects, or add small new features to existing sites and apps.


I'm a full-stack developer with real project experience, including RansomwareAudit a 5,000+ line Python cybersecurity tool with a full Flask web dashboard, database backend, and real-time monitoring. That kind of hands-on debugging and systems work carries directly into fixing bugs cleanly and understanding exactly why something's broken, not just patching over it.


What you get:

- The bug identified and fixed (or feature added)

- A brief explanation of what was wrong and how I fixed it

- Testing to confirm everything works before delivery

- Fast turnaround and clear communication throughout


Send me your code or a link to the issue, along with a description of what's going wrong, and I'll take a look.

Respect third-party rights

Please be aware that it is against Fiverr's policies for sellers to include themes, templates, or any other elements that infringe third-party rights or applicable laws in the delivered work. Read more about in our Guide to Responsible Digital Creation.

Get to know LucaSzyszkowski

LucaSzyszkowski

Full Stack Developer AI Integration and Python

  • FromUnited States
  • Member sinceAug 2026
  • Avg. response time9 hours
  • Languages

    English
Full-stack developer skilled in Python, JavaScript, HTML/CSS, and API integrations. I build functional, custom tools from AI-powered chat apps to full-stack systems with real-time monitoring, databases, and web dashboards. I move fast, communicate clearly, and care about delivering something that actually works, not just looks good in a demo.