LEONARD ROUSSARD

Freelance Fullstack Developer & AI/Design Specialist

Paris, FR.

About

Highly skilled Freelance Fullstack Developer specializing in Web Development, AI, and Design, with deep expertise in crafting innovative full-stack solutions. Proficient in modern technologies including Next.js, React, and AI integration. Proven ability to combine advanced technical skills with creative vision, delivering exceptional projects ranging from data-driven restaurant recommendation platforms to AI-powered support systems and progressive web applications. Adept at leading projects, managing teams, and optimizing performance across diverse technical and management domains.

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Work

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Freelance

Fullstack Developer

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Etude Alpha

Private Tutor

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LDV Esport

Esports Manager

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Barry Rogliano Salles

IT Intern

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Education

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UX/UI Design

Memorisely

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Data Science & AI

ESILV

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Physics, Mathematics, Chemistry, Economics

Scarborough College

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Web Development

Self-taught

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Languages

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Basic

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Skills

Frontend Development

Mobile-First Design, Next.js, PWA Development, React, Responsive Design, Service Workers, Tailwind CSS, TypeScript, UI/UX Design

Backend Development

Adonis.js, API Design, Database Architecture, MongoDB, Performance Optimization, PostgreSQL, Redis

AI & Data

AI Chatbots, AI Streaming, Data Analysis, Data Visualization, Machine Learning, OpenAI Integration

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Projects

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Savora

Developed a data-driven restaurant recommendation platform for Paris, leveraging web scraping techniques and advanced AI/NLP.

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Linkfolio

Created a modern portfolio platform focused on developer profiles, utilizing Redis, Next.js, OpenAI API, and Vercel AI SDK.

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Revenue Management System

Developed a revenue management platform for hotels, focusing on data analysis and PMS integrations using PostgreSQL, Adonis.js, and Inertia.

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Landing Impulse Agency

Designed and developed a premium landing page for a web development agency, built with Next.js 14, TypeScript, Tailwind CSS, and Framer Motion.

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PWA Offline-First

Developed a robust Progressive Web Application with complete offline functionality for sensitive industrial environments, using Next.js, Service Workers, Vercel Blob, and Payload CMS.

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AI Support Chatbot

Engineered an AI-powered IT support chatbot with data visualization, CSV conversion, and Microsoft Graph integration, utilizing OpenAI API, Next.js, and Assistants API.

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Faate App

Developed a dating application with personality-based matching, QR code scanning, and Typeform-inspired onboarding, built with MongoDB, Redis, and Next.js.

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LDV Sentinel

Developed an advanced Discord bot for esports association management, integrating Node.js, MongoDB, Discord.js, OpenAI API, and Notion API.

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