I’m a Senior Developer specialising in Frontend, Web3 and Mobile

Sajjad Javadi

About me

I'm Sajjad Javadi

Senior Frontend Developer with 6+ years of experience delivering production-grade web applications for enterprise and startup clients. I specialize in React, Next.js, and SSR architecture — with deep hands-on Web3 expertise across DEX development, NFT marketplaces, and wallet integrations using ethers.js, wagmi, and viem. I've shipped products serving 10,000+ active users and am available for remote roles worldwide.

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Get in Touch.

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Hello!

Some of Technologies I’ve been
working with recently

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React

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Next.js

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HTML5

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CSS3

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Sass

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Less

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JavaScript

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TypeScript

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Redux

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Webpack

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Blockchain

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Ethereum

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Web3.js

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Material-UI

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Tailwind

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Dart

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Flutter

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Node.js

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Git

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GitHub

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GitLab

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Figma

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Java

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Kotlin

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Android Studio

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PHP

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CodeIgniter

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MySQL

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Firebase

Some of My Projects

24

24

NovaVoya

Multilingual medical tourism platform connecting patients with verified international healthcare providers. Built with Next.js 15 and React 19, featuring interactive provider maps, referral management, and a multi-role admin dashboard with next-intl localization.

Nextjs

Reactjs

Tailwind

Docker

Go

23

23

Kanata Health

Full website for a Canadian health-focused company built with Framer, including custom React/TypeScript code components integrated directly into Framer for dynamic functionality beyond standard no-code capabilities.

Framer

Reactjs

TypeScript

Go

22

22

Taronga Zoo

Production website for one of Australia's most recognized conservation zoos. Built with Next.js and Storybook-based CMS integration, enabling scalable content management with optimized SSR performance and SEO-friendly rendering.

Nextjs

CMS

Storybook

Go

21

21

Tourism Tasmania

Official state tourism platform for Tasmania, focused on brand management and tourism demand generation. Built with Next.js and Storybook-based CMS integration, with strong emphasis on SEO and content delivery performance.

Nextjs

CMS

Storybook

Go

20

20

Elders Weather

Australia's national weather forecast platform, serving time-sensitive data to a large daily audience. Built with Next.js and Optimizely CMS, with a Storybook-based component system. Optimized for fast load times and reliable content updates at scale.

Nextjs

Optimizely

Storybook

Go

19

19

Salvation Army Australia

Production website for one of Australia's largest charitable organizations. Built with React and a Storybook-based component system with CMS integration, ensuring design consistency and scalable content management across the platform.

Reactjs

Nextjs

CMS

Storybook

Go

18

18

StoryFont

Landing page for a font discovery platform, built with Next.js. Focused on clean UI, smooth interactions, and fast rendering to drive user engagement.

Nextjs

Go

17

17

CreativeBug

High-performance marketing site delivered on a 2-month contract engagement. Built fully custom hover and pointer animations from scratch without third-party animation dependencies.

Reactjs

CSS

Animations

Go

16

16

Spacesix

NFT marketplace for a blockchain-based game, allowing users to browse and purchase in-game assets directly on-chain. Built with React and Next.js with full Web3 integration.

Reactjs

Nextjs

Go

15

15

MorsFarm

Discover exclusive airdrops, participate in social farming campaigns

Nextjs

Reactjs

Go

14

14

TapCrystal

Telegram-based Tap-To-Earn application serving 10,000+ active users, with responsive UI and preparation for blockchain integration.

Reactjs

Go

13

13

Archie

Archie Agency's team introduction website. Built with React and Next.js, focused on SEO and email system integration.

Reactjs

Nextjs

Go

12

12

DIACO

An innovative blockchain-based platform where you can explore the fascinating gold market.

Reactjs

Web3

Blockchain

Go

11

11

Voomio

Develop a part of Voomio front website.

Reactjs

Go

10

10

Presence Absence

Administrative panel for Azad University students, faculty, and staff with role-based access control, enabling attendance tracking, scheduling makeup classes, and other administrative workflows.

Reactjs

Go

09

09

ChatQST

AI token platform website built with React and Next.js, serving as the front for a blockchain AI project.

Reactjs

Nextjs

Go

08

08

Bitrogen

Bitrogen, Is a digital currency and signals application. In this project I developed a mobile application and a PWA version for browsers.

Flutter

Go

07

07

Keyfx

Real-time trading dashboard built with React and REST API integration for a UK-based financial client, optimized for data-heavy UI performance and real-time data reliability.

Reactjs

Go

06

06

DEX

Decentralized exchange enabling users to create liquidity pools and swap tokens. Built with Next.js and integrated with ethers.js, wagmi, and viem for on-chain interactions.

Nextjs

Web3

Blockchain

Go

05

05

Ideaalsho

Discover the perfect personal hairstyle.

Nextjs

Reactjs

Flutter

Go

04

04

BullRun

Developing BullRun which is an online multiplayer decentralized gambling game consisting of an increasing curve that can crash anytime..

Flutter

PWA

Go

03

03

Snotes

Snotes, Is a note and to-do application.

Android

Kotlin

Go

02

02

Benevis

Develop a social media application for authors to share their own stories and writings. In this project, I had the experience of working with server programming and the Codeigniter framework.

Android

Java

Kotlin

PHP

Go

01

01

Saniar24

Saniar24, was a tourism and shop application.

Android

Java

Go

Any Idea?

Any Project?

If you've got a fantastic idea or an exciting project that's been brewing, I'd love to hear about it! Whether you're looking for a creative partnership, want to discuss a potential opportunity, or just want to have a friendly chat, I'm all ears. Let's turn those ideas into something amazing, together!

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