I will fix bugs and improve your website frontend

J
jdesterke
J
jdesterke
Jan D
fix bugs and improve your website frontend
Full Screen
fix bugs and improve your website frontend

About this gig

Need help building, improving, or fixing your website or software project?


Im a frontend developer and UI designer with over four years of experience building corporate websites, web applications, and e-commerce stores.


I can build new features based on your existing design, or create the UI design myself and turn it into clean, responsive, pixel-perfect code.


I can help with:

  • Building new frontend features
  • Converting designs into responsive websites
  • UI design and improvements
  • React & Next.js development
  • HTML, CSS/SCSS & JavaScript
  • Shopify theme customizations
  • Fixing frontend bugs and UI issues
  • Testing and debugging
  • Maintaining and extending existing software projects
  • Improving existing functionality and user interfaces


Whether you need a small fix, a new feature, or help maintaining an existing project, Ill focus on delivering a clean and polished result.

Feel free to message me before ordering and tell me what youre working on. Im happy to take a look and discuss the best approach.

  • Platform

    • Other

  • Website type

    • E-Commerce store
    • Business
    • Landing page
    • Education
    • Saas
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 Jan D

Jan D

Frontend Developer

  • FromNetherlands
  • Member sinceSep 2026

  • Languages

    English, Dutch, German
With over four years of experience in web development, digital design, and innovation, I have built a strong technical foundation and a keen eye for detail. I’ve worked on a wide range of projects, including corporate websites, web applications, and e-commerce stores. Beyond building new projects, I can also help with testing, maintaining, debugging, and extending existing software. Whether you need to fix a bug, improve an existing feature, add new functionality, or make sure everything works as expected, I’m happy to help.

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