---
title: "Professional HTML, CSS, JavaScript, Ajax, AngularJS & Firebase Development"
url: https://zinnhub.com/zinns/professional-html-css-javascript-ajax-angularjs-firebase-development/
description: "I will do HTML, CSS, JavaScript, Jquery, AngularJs, Json, Firebase | Make your Dreams come True!"
published: 2026-01-11T05:23:47+00:00
modified: 2026-07-01T00:41:38+00:00
language: en-GB
---

# Professional HTML, CSS, JavaScript, Ajax, AngularJS & Firebase Development

**Hi, Thanks for checking out my service!**

I am an experienced Web Developer skilled in **HTML5**, **CSS3**, **JavaScript**, **jQuery**, **AJAX**, **JSON**, **AngularJS**, and **Firebase** integration. Based in London, England, I specialise in enhancing existing websites or building new ones with both front-end and back-end functionality.

**Services I offer include:**

- Website **Speed Optimisation**: Image compression, CSS/JS minification, browser caching, and lazy loading
- **On-Page SEO**: Meta tags, keyword optimisation, internal linking, mobile optimisation, and schema markup
- **WordPress**: Customisation, JavaScript enhancements, and integrations
- **WhatsApp Cloud API**, **Stripe**, **Zoho CRM/Desk**, **Go High Level CRM**, and **Klaviyo** integration
- Fixing JavaScript bugs, **AJAX** calls, and responsive design with **Bootstrap**
- **Magento 2**: Setup, customisation, and bug fixes
- Google APIs and interactive elements (slides, forms, animations, charts)

At Zinn Digital®, I deliver high-quality, mobile-friendly, and optimised solutions tailored to your needs. Share your requirements, and I’ll exceed your expectations!

**Why choose Zinn Digital®?**

Fast delivery, attention to detail, and client satisfaction guaranteed.

**Let’s get started today!**

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### This Zinn Will Include (Basic)

I will do HTML, CSS, JavaScript, Jquery, AngularJs, Json, Firebase

**Delivery:** 2 days

**Revisions:** 2

**Includes:**

• Number of pages: 2
• Design customization
• Content upload

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### Upgrade Options

Choose an upgrade addon to get more features:

| Feature | Basic | Boost Upgrade | Premium Upgrade |
| --- | --- | --- | --- |
| **Delivery** | 2 days | 3 days | 5 days |
| **Revisions** | 2 | 4 | Unlimited |
| Number of pages | 2 | 4 | 5 |
| Design customization | ✓ | ✓ | ✓ |
| Content upload | ✓ | ✓ | ✓ |
| Responsive design | ✗ | ✓ | ✓ |
| Include source code | ✗ | ✗ | ✓ |