I will build rebuild custom website, saas frontend, react js web app developer

C
cassian_sera
C
cassian_sera
cassian
build rebuild custom website, saas frontend, react js web app developer
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build rebuild custom website, saas frontend, react js web app developer

About this gig

I create modern, fast, and fully responsive web interfaces for startups, businesses, and SaaS products.


Whether you need a new website, a redesign, or fixes for an existing project, I focus on building clean and scalable frontend solutions that look great and perform smoothly across all devices.


I can translate your design into a working product, improve existing interfaces, or develop complete user-facing web applications using modern tools and best practices.


What I can help you with:


  • Building responsive websites and landing pages
  • Turning design files into functional web interfaces
  • Fixing layout and UI issues
  • Improving performance and responsiveness
  • Creating reusable and structured components
  • Enhancing existing web projects


Tech stack I work with:


  • React.js
  • HTML and CSS
  • JavaScript (ES6+)
  • TypeScript
  • Tailwind CSS
  • Bootstrap



Every project is built with attention to detail, clean structure, and mobile-first design principles to ensure a smooth user experience.


Send me your requirements or design, and Ill review it and provide a clear plan before we begin.

  • Website type

    • Business

  • Programming language

    • HTML & CSS
    • JavaScript
    • React
    • Tailwind CSS

  • Website features

    • Marketing
    • Payment
    • Form
    • FAQ
    • Portfolio
    • Landing page
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 cassian

cassian

FrontEnd Developer

  • FromNigeria
  • Member sinceJun 2026
  • Avg. response time5 hours

  • Languages

    English
Hi, I'm a passionate Frontend Developer dedicated to creating modern, responsive, and user-friendly websites. I specialize in HTML, CSS, JavaScript, Tailwind CSS, and React, transforming ideas into clean and functional web experiences. My focus is on delivering high-quality designs, fast performance, and excellent user experience. Whether you need a landing page, business website, portfolio, or website redesign, I'm committed to providing reliable service, clear communication, and professional results that help your business grow online.

My Portfolio

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