Younes Lesfer

FULL-STACK AI ENGINEER | React, Python & AI

Salary / Daily rate

Paris, France

Freelance

Remote only

Skills

PythonFullstack DevelopmentReactAIDomain Driven DesignTest Driven DevelopmentClean CodeClean ArchitectureHTMLTypescriptNextFlaskPostgreSQLGitGitLabRESTful APIsBackend DevelopmentMicroservicesFrontend DevelopmentLLMs / Large language modelsTailwind CSSJavascriptCSSReduxMongoDBFirebaseDockerPostmanCMSWooCommerceWordPressKubernetesLinuxGitHubE-commerce CMS

Languages

EnglishArabicFrench

About me

Intro

Full-stack engineer with over 7 years of experience developing web platforms. Expertise in React/Next.js frontend development combined with Python backend services (Flask, FastAPI) and modern AI workflows, including RAG systems integration and LLM orchestration.

Links

Work experience

Full Stack AI Developer

Second WorldFreelance

Jan 2021 - Mar 2025

4 years 3 months

Remote

# AI-powered Support Bot (Full Stack): Solution for automating player support management during tournaments through an AI-driven Discord bot. Designed an automated support bot using RAG architecture and an LLM model. Developed admin interfaces to manage the knowledge base and track support tickets. Fully integrated bot into Discord for seamless user interaction. Technologies: React, TypeScript, React Router, React Query, Shadcn UI, TailwindCSS, Python, Flask, APIs REST, OpenAI API, ChromaDB, Discord API. # Arenation – Social Esport Platform (Frontend & Full Stack): Platform dedicated to competitive gaming communities with advanced social features, including player leaderboards, tournament management, and detailed user profiles. • Fullstack Project (User Profile): Technical requirement analysis and specification. Developed backend microservices for user data management. Designed and implemented secure REST APIs. Performance management, maintenance, and optimization of backend services. Integration with external APIs. • Frontend Projects (Leaderboards, Tournaments, LFT): Collaborated closely with the designer (Figma) to transform mockups into functional interfaces. Integrated REST APIs with continuous backend team coordination. Optimized frontend performance and executed unit and integration tests. Technologies: React, TypeScript, React Router, React Query, Redux Toolkit, Radix UI, Shadcn UI, TailwindCSS, Python, Flask, SQLAlchemy, APIs REST, Microservices.

Web Developer

Moroccan gaming evolution

Oct 2017 - Dec 2020

3 years 3 months

Rabat, Morocco

# Esports Tournament Management Application: Web application created to replace manual methods in esports tournament management. Developed a comprehensive management platform (automated registrations, bracket generation, real-time score management). Integrated with external game APIs for result automation. Implemented an admin dashboard for tournament management. Technologies: React, Python, Flask, Bootstrap, APIs REST. # WordPress Development : Developed showcase, event, and e-commerce websites using WordPress. Advanced extension and customization of WordPress themes. Developed custom plugins tailored to client needs. Technologies: WordPress, PHP, JavaScript, jQuery, HTML5, CSS3.

Développeur .NET

Algo Consulting Group

Mar 2017 - Aug 2017

6 months

Préfecture de Rabat, Morocco · On-site

Project 1 – Modernization of the Information System for the National Fisheries Office (ONP) using UWP • Analyzed the existing system and identified key improvement areas. • Conducted R&D on Universal Windows Platform (UWP) technology. • Established a modern design charter to ensure UI consistency. • Redesigned system interfaces with UWP to enhance usability and visual coherence. Project 2 – Customer Loyalty Mobile App for Royal Air Maroc (Xamarin) • Designed UI/UX wireframes and created high-fidelity screen mockups in Photoshop. • Researched and developed features using Xamarin. • Analyzed and implemented offline mode to ensure a seamless user experience without connectivity. • Designed the mobile database and fully developed offline functionality.


Education

Ecole Marocaine des Sciences de l'ingénieur

Master of Engineering (MEng)

2015 - 2017

2 years 1 month


Licenses & certifications

IBM Back-End Development Specialization

Issued: Oct 2024

Certified by IBM

IBM AI Developer Specialization

Issued: Sep 2024

Certified by IBM

Google Ads Search Certification

Issued: Apr 2023

Certified by Google

Google Digital Marketing & E-commerce Specialization

Issued: Apr 2023

Certified by Coursera

Meta Certified Digital Marketing Associate

Issued: Feb 2023

Certified by Meta

Meta Social Media Marketing Specialization

Issued: Feb 2023

Certified by Coursera

Sprout Social Platform

Issued: Feb 2022

Certified by Sprout Social, Inc.

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