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Younes LesferYL

Younes Lesfer

FULL-STACK AI ENGINEER | React, Python & AI

€550/day
Paris, FR
3-7 years
Gen AI
Next.js
Python
React.js
FastAPI

Average response time: 1 hour

Freelancer profile translated to English.
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About Younes

Full-stack engineer specializing in AI-powered web platforms. Expertise in React/Next.js combined with Python services and advanced AI workflows (RAG, vector databases, LLM orchestration).
Gaming and Animation
E-commerce
Sports
Software Publishing

  • Arabic

    Native or bilingual

  • French

    Native or bilingual

  • English

    Fluent

Remote only
Primarily works remotely

Experience

  • SECOND WORLD
    Full Stack & AI Developer
    VIDEO GAMES AND ANIMATION
    January 2021 - March 2025 (4 years and 2 months)
    Salé, RZ, Morocco
    ## AI Support Bot (Full Stack):


    Solution to automate player support management during tournaments via an AI-powered Discord bot.

    - Designed an automated support bot using an RAG architecture and an LLM model.
    - Created administrator interfaces to manage the knowledge base and track support tickets.
    - Fully integrated the bot into Discord for seamless user interaction.

    > Technologies: React, TypeScript, React Router, React Query, Shadcn UI, TailwindCSS, Python, Flask, REST APIs, OpenAI API, ChromaDB, Discord API.


    ## Arenation – Esports Social Platform (Frontend & Full Stack):


    Platform dedicated to competitive gaming communities with advanced social features, such as player leaderboards, tournament management, and detailed user profiles.

    Fullstack Project (User Profile):
    - Technical needs study and analysis.
    - Developed backend microservices for user data management.
    - Designed and implemented secure REST APIs.
    - Managed performance, maintenance, and optimization of backend services.
    - Integrated with external APIs.

    Frontend Projects (Leaderboards, Tournaments, LFT):
    - Close collaboration with the designer (Figma) to transform mockups into functional interfaces.
    - Integrated REST APIs with constant coordination with the backend team.
    - Optimized frontend performance and conducted unit and integration tests.

    > Technologies: React, TypeScript, React Router, React Query, Redux Toolkit, Radix UI, Shadcn UI, TailwindCSS, Python, Flask, SQLAlchemy, REST APIs, Microservices.
    Microservices API Fullstack React.js Python
  • Moroccan Gaming Evolution
    Web Developer
    E-COMMERCE
    October 2017 - November 2020 (3 years and 1 month)
    Salé, RZ, Morocco
    ## Esports Tournament Management Application: Web application created to replace manual methods in esports tournament management.


    - Full development of the management platform (automated registrations, tournament bracket generation, real-time score management).
    - Integration with external game APIs for results automation.
    - Implementation of an administrator dashboard for tournament management.

    > Technologies: React, Python, Flask, Bootstrap, REST APIs.


    ## WordPress Development:


    - Creation of showcase, event, and e-commerce websites using WordPress.
    - Advanced extension and customization of WordPress themes.
    - Development of specific plugins according to client needs.

    > Technologies: WordPress, PHP, JavaScript, jQuery, HTML5, CSS3.
    Python React.js Wordpress REST APIs JavaScript
  • Algo Consulting Group
    .NET Developer
    TRAVEL AND TOURISM
    March 2017 - August 2017 (5 months)
    Rabat, RZ, Morocco
    ## Project 1 – Refactoring of the National Fishing Office (ONP) Information System with UWP


    - Analysis of the existing system and identification of areas for improvement.
    - Research and technological watch around the UWP platform.
    - Development of a modern design charter to standardize the user interface.
    - Redesign of interfaces with UWP to improve the ergonomics and visual consistency of the IS.


    ## Project 2 – Loyalty Mobile Application for Royal Air Maroc (Xamarin)


    - Design of UI/UX mockups and graphic realization of screens with Photoshop.
    - Research and development on Xamarin technology.
    - In-depth study of offline mode to ensure a smooth experience without a connection.
    - Design of the mobile database and complete implementation of offline mode.
    C# ASP.NET Xamarin Mobile Development

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Education

  • Diplôme d’Ingénieur en Informatique et Développement Logiciel
    Ecole Marocaine des Sciences de l'ingénieur
    2017
    Master of Engineering (MEng), Computer Science

Certifications

Skill set

TailwindCSS
Python Flask
OpenAI API
Docker
Jest
React Testing Library
Firebase
Clerk
Figma
ChromaDB
Vercel AI SDK
RAG
React Query
Redux Toolkit
React Router
REST APIs
GitHub
HTML5
CSS3
Artificial Intelligence
Content Integration
CMS Customization
External API integration
Front End Interface Development
Performance Optimization
SEO Optimization
Typescript
Fullstack
Microservices
Backend Service Development
API
Wordpress
JavaScript
C#
ASP.NET
Xamarin
Mobile Development

Categories