Mobile and Web Developer

Hi, I'mSeif Eddine KharrachiBuilding Digital Solutions

Experienced software developer with 4+ professional years in mobile and web development, specializing in React, React Native-CLI, React-Native-Web, Expo and Native Android. Track record in leading cross-functional teams, optimizing application performance, and implementing scalable solutions. Adept at transforming complex requirements into efficient, maintainable codebases.

Explore My JourneyView Projects

Code

Clean, efficient, and scalable solutions

Design

Beautiful, intuitive user experiences

Innovation

Pushing boundaries with creativity

Technology

Modern tools and frameworks

My Journey

The Path I've Traveled

Every step, every challenge, every breakthrough has shaped who I am today as a developer and designer.

🚀
2023 - 2025

Crowd Digital - Mobile & Front End Developer

📍 Dubai, United Arab Emirates

•Engineered Live Tips project/Dashboard for Dubai Police.
•Integrated video/audio streaming using FFmpeg and Agora, cutting latency by 40%.
•Accelerated app performance by 60% through Next.js migration.
•Streamlined development workflows, reducing feature delivery time by 30% via reusable components.
•Boosted SEO ranking through Lighthouse optimizations.
⚛️
2022 - 2023

Emploitic Group - React Native & Front End Developer

📍 Algiers, Algeria

•Modernized platform architecture by migrating from Joomla to React/Next.js, increasing engagement by 60%.
•Built Admin-Tool dashboard with React-Admin Framework, automating 80% of manual processes.
•Secured 540,000 DZD in additional funding through digital transformation initiatives.
•Established shared codebase between React-Native-CLI and Next.js.
💻
2021 - 2022

White Bay LTD - React Native Developer

📍 Sidi Abdellah, Algeria

•Developed "My Team Connect" app with 50+ complex screens, implementing scalable architecture with React-Native-CLI.
•Shortened project timelines by 20 days through modular component architecture.
•Translated 50+ Figma designs into production features with 98% design fidelity.
•Enhanced app performance by 35% through optimized state management.
📱
2017 - 2021

Freelancer - Native Android Developer

📍 Algeria

•Built parking reservation app and uploaded to Google Play.
•Slashed parking search time by 60% through real-time data processing.
•Specialized in Java, XML, and Jetpack Compose for native Android development.
Education

Knowledge & Learning

Formal education and continuous learning have been the foundation of my growth.

September 2015 - June 2019

Bachelor's Degree in Computer Science

University of Mohammed Cherif Messaadia
Souk Ahras, Algeria

Notable Courses: Information System, Networking, Algorithms and Data Structures, Web Development, Advanced Android Development (Java, Object Oriented Programming, XML, Jetpack Compose). Final Year Thesis Grade: 16.5 / 20 GPA.

Final Thesis: 16.5/20
GPA Excellence
Technology Ecosystem

My Tech Stack

Technologies I work with daily, backed by years of hands-on experience building production applications.

Frontend

React.js

5+ years

Next.js

2+ years

TypeScript

3+ years

JavaScript

4+ years

Tailwind CSS

1+ year

Mobile

React Native

4+ years

Expo

4+ years

Java

4+ years

Backend

Node.js

1+ year

Database

MongoDB

1+ year

Supabase

2+ years

Tools

Docker

1+ year

Git

4+ years
Tech Stack

Tools & Technologies

The technologies I use to bring ideas to life and solve complex problems.

Mobile Development

React Native
React Native-CLI
React-Native-Web
Expo
Native Android
Agora

Frontend

React.js
Next.js
TypeScript
JavaScript
ES6
Redux
Redux Toolkit
Redux Toolkit Query
Flux

Backend & APIs

REST API
MongoDB
ArangoDB
PostgreSQL
Node.js

Tools & Practices

Docker
Git
CI/CD
Jest
Object Oriented Programming
Unit Testing
FFmpeg
React Testing Library
Design Patterns
Functional Programming

LLMs

Cursor
Prompt Engineering
LLM Integration

Android Native

Java
XML
Jetpack Compose
Async Code

Technology Expertise Levels

Expert90%
Advanced75%
Proficient60%