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Leo S.LS

Leo S.

Fullstack Developpeur, Data engineer

€200/day
Paris, FR
3-7 years

Average response time: 1 hour

About Leo

Young, passionate fullstack developer. 🚀
I gained solid experience during a two-year work-study at Ariane Group 🛰️.
Curious, autonomous, and committed, I thrive in both front-end and back-end web projects. Always eager to take on new technical challenges within innovative teams! 🤩
  • French

    Native or bilingual

Can work on-site
Paris (up to 50km)

Experience

  • ArianeGroup
    Développeur full stack
    AVIATION AND AEROSPACE
    September 2023 - October 2025 (2 years and 1 month)
    Les Mureaux, France
    Main Projects:

    🛰️ SatViewer – 3D Simulation & Window Management
    Designed an FPV satellite visualization tool with real-time 3D rendering and an optimized user interface.
    Technologies: Angular, Java, Cesium, Docker

    📊 Database Optimization (PostgreSQL ➔ TimescaleDB)
    Refactored and migrated legacy data structures to a high‑performance time-series database for improved analytics and scalability.
    Technologies: Java, Hibernate, PostgreSQL, TimescaleDB

    🤖 AI Chatbot Connected to Database
    Developed an intelligent chatbot capable of interacting directly with databases via self-hosted agents powered by Ollama. Enhanced team productivity and data accessibility.
    Technologies: Python, Ollama, N8n, SQL, Docker
    Java Docker Agent IA PostgreSQL Angular
  • personnel
    Personel project
    September 2022 - September 2025 (3 years)
    Paris, France
    🧠 Gile

    Built an innovative web platform for agile project management, integrating an AI assistant to help users analyze progress, forecast challenges, and streamline task tracking. Features collaborative boards, smart notifications, and flexible microservices architecture.
    Highlights: AI-powered insights, customizable workflows, automated reporting, seamless integrations.
    Technologies: Next.js, NestJS, Supabase, n8n, Microservices


    📍 SpotMap

    Conceived and developed a mobile platform enabling users to share hidden gems and locations with friends in real time. Supports collaborative mapping and discovery, with a polished experience on both iOS and Android.
    Highlights: User accounts, dynamic map, friend recommendations, scalable backend.
    Technologies: React Native, Spring Boot, PostgreSQL, Google Cloud Platform


    🏠 HomeServer

    Created a robust, self-hosted server system for automating home services, deploying and managing virtual machines, and centralizing digital infrastructure for personal use. Focused on reliability, ease of administration, and secure remote access.
    Highlights: VM orchestration, automated backups, Dockerized services, Linux system tuning.
    Technologies: Proxmox, Docker, Linux




    Docker PostgreSQL Java React.js Microservices Architecture

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Education

  • Ingenieur du numerique
    Isep
    2025
  • Baccalaureat
    Lycée Victo Duruy
    2020

Skill set

Categories