Haikel Fazzani

I specialize in full stack JavaScript development, creating modern web applications, mobile apps, and browser extensions that deliver exceptional user experiences. From server-side development with Node.js, Deno, and Bun to frontend frameworks like React.js and Next.js, plus cross-browser extension development, I build scalable, performant applications. My expertise spans the entire JavaScript ecosystem, browser extension development, cloud deployment, SEO optimization, and cutting-edge web technologies.

contact services

Full Stack JavaScript Projects

Explore my portfolio of modern web and mobile applications built with cutting-edge JavaScript technologies, from responsive web apps to cross-platform mobile solutions.

beup

nova

HireSphere

contractemp

Picode

next

NetFilter

noderel

Servino

Reco

Full Stack JavaScript Services

Transform your digital presence with modern JavaScript solutions. From responsive web applications to mobile apps, cloud deployment, and SEO optimization.

1. Full Stack Web Development
Build modern, scalable web applications using the latest JavaScript technologies. From React.js and Next.js frontends to Node.js, Deno, and Bun backends, we create responsive, performant applications with server-side rendering, API development, and database integration.
2. Mobile App Development
3. Browser Extension Development
4. Cloud Deployment & DevOps
5. SEO & Performance Optimization
6. Modern Frontend Development

Design That Inspires

Success Stories & Testimonials

Haikel developed our e-commerce platform from scratch. His expertise in both frontend and backend technologies resulted in a seamless, high-performing application that exceeded our expectations.

Sarah Johnson

CTO, RetailTech

Working with Haikel was a game-changer for our startup. His ability to build scalable web applications helped us grow our user base by 200% in just three months.

Michael Chen

Founder, GrowthLabs

Haikel's full-stack expertise was instrumental in revamping our legacy systems. The new application is not only more robust but also significantly more user-friendly.

Emma Rodriguez

Product Manager, TechSolutions

I've worked with many developers, but Haikel stands out for his attention to detail and commitment to delivering exceptional digital experiences. Highly recommended!

David Kim

Director of Engineering, InnovateCorp

JavaScript & Web Technologies We Master

We leverage the latest JavaScript technologies and frameworks to build modern web applications, mobile apps, and browser extensions. From server-side runtimes (Node.js, Deno, Bun) to frontend frameworks (React.js, Next.js, Astro.js), styling (Tailwind CSS), mobile development (React Native), browser extension development (Chrome, Firefox, Edge, Safari), cloud platforms (Vercel, OVH), and SEO optimization tools, we ensure your applications are built with industry-leading technologies and best practices.

JavaScript & Web Development Code Snippets

Discover practical JavaScript code snippets, from React components to Node.js APIs, Next.js applications, browser extension development, and modern web development patterns. Learn cutting-edge techniques and accelerate your development with our curated examples covering the entire JavaScript ecosystem including browser extensions.

Latest browser extensions

NetFilter

Netfilter - An efficient blocker for ads, trackers, coin miners, popups, annoying anti-blockers, malware sites, etc.

Scan Website

The URL & Malware Scanner - Stay protected.

Reco

A browser extension for recording camera, audio, screen, window and tab.

Screeno

A browser extension for making a full page or partial screen capture JavaScript.

HLS Streaming Player

HLS Streaming Player using hls.js library: browser extension

Cookies Manager

Simple and powerful Cookie Editor.

InternetSpeedTest

Check your Internet speed in under 30 seconds. The speed test usually transfers less than 40 MB of data, but may transfer more data on fast connections.

Native SC Downloader

Simple to use native SoundCloud downloader.

JSONPlay

browser extension for testing REST APIS and json viewer Inspired by Insomnia

covid 19

Modern browser extension : Covid19 Cases and Deaths by Country

v-iframe

Extract all iframes, videos, audios and photos of any website.

Detector

A lightweight browser extension 🔥 to inspect and change styles (color, font, etc..) of any DOM element with one click.

booky

Beautiful and simple new tab page for most modern browsers

Latest JavaScript & Web Development Blog Posts

Dive deep into the world of modern JavaScript development, web technologies, mobile app development, and browser extension development. From React.js tutorials to Next.js guides, Node.js best practices, Astro.js tips, Tailwind CSS techniques, browser extension development guides, and deployment strategies, stay updated with the latest web development trends and practical insights.

Top 35 Linux Tips and Tricks

In this article, we will explore 35 useful tips and tricks for the Linux console. These tips and tricks will cover various aspects of the Linux command line and will include code examples to demonstrate their usage.

Linux tipslinux tips and tricksfedora tipsLinux tricks

Web Crypto API implement ECIES like in Javascript

Learn how to use the Web Crypto API to implement ECIES-like encryption and decryption in JavaScript. This article covers generating key pairs, deriving symmetric keys, and securely encrypting data using AES-GCM.

Web Crypto API ECIES ECDH AES

Top 20 Git Commands with Examples

Master Git with the top 20 essential commands for version control and collaboration. Learn Git init, add, commit, branch, merge, rebase, stash, and more with practical examples. Boost your productivity as a developer!

Git commands Git tutorial version control Git for developers

Nginx Rate Limit: A Comprehensive Guide

Learn how to implement Nginx rate limiting to protect your server from excessive traffic, DDoS attacks, and abuse. Step-by-step guide with examples.

Nginx Nginx rate limit rate limiting Nginx traffic control

Let's Build Amazing JavaScript Solutions Together

Ready to transform your digital presence with modern JavaScript technologies? I'd love to discuss your web development needs, mobile app projects, or browser extension ideas. Reach out via email at haikel.fazzani@gmail.com. Whether you need React.js applications, Node.js APIs, React Native mobile apps, browser extensions, or full-stack solutions, let's explore how we can bring your vision to life.