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Leo FerrettiLF

Leo Ferretti

📊 Machine Learning (Data-Engineer & BigData) 🧠

€500/day
3 projects
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Leo

🎯 My goal is to automate your tasks to free up your time for your projects.

📊 I will manage all your data, from visualization, analysis, and prediction to identify hidden trends in your data in order to propose a strategy tailored to your clients.

🔎 On my end, I make sure to identify and understand your needs and provide you with adapted solutions.

Who am I?

- Software Engineer at GoPro (Action Camera)
- Software Engineer at HrFlow.ai (AI company specializing in HR data)
- Computer Engineer at EPITA, specializing in Data Science and Artificial Intelligence.

🔧 My Technical Stack:

🐍 Python, SQL, Bash, Git, GitHub, GitLab, CI/CD (GitHub Actions)
☁️ Cloud: GCP, AWS
🤖 Machine learning and Deep learning: development of predictive models
🌍 Data sourcing (web scraping, API, CSV, SQL)
🧹 Data cleaning/transformation (Pandas), REGEX
📊 Data Visualization (Matplotlib, Seaborn, Plotly)

📞 Ready to transform your data into strategic decisions? Contact me to schedule a video conference and discuss it!
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Vianova
    Software Engineer
    TECH
    September 2025 - Today (9 months)
    Paris, France
    • Reduced AWS Lambda function cold start time by 20% by optimizing heavy API packages, improving user-perceived latency.
    • Completely eliminated cold starts on critical endpoints by migrating part of the Lambda functions to AWS App Runner service, ensuring consistent response times in production.
    • Delivered new endpoints in production on a FastAPI backend, extending the API's capabilities and supporting new business use cases.
    Amazon Web Services (AWS) Python Pulumi Snowflake
  • Neo4j
    Software Engineer Consultant
    SOFTWARE PUBLISHING
    February 2025 - May 2025 (3 months)
    Paris, France
    • Optimized Cypher queries by analyzing database logs, achieving a 60% improvement in query performance.
    • Deployed a robust Neo4j database architecture by distributing multiple instances across different Availability Zones (AZs), ensuring high availability and compliance with technical specifications.
    Neo4j Cypher Terraform Amazon Web Services Graph Theory
  • ETNA, école d'alternance en informatique
    Computer Science Teacher
    EDUCATION AND E-LEARNING
    October 2024 - January 2025 (3 months)
    Paris, France
    • Simplified computer science concepts for about a hundred students in a dynamic environment, fostering accelerated learning and practical skill application.
    • Implemented practical workshops on Docker, allowing students to customize and publish their own project images.
    • Organized weekly follow-up sessions to assess acquired knowledge and ensure continuous progress.
    Docker Python JavaScript Typescript

Reviews

5.0

Out of 3 ratings

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Education

  • Computer Engineer
    EPITA
    Etudiant en 5ème année d'école d'ingénieur spécialisé en intelligence artificielle. Cours pertinents: Machine learning, Recommandation de système, Deep learning, Big Data, Infrastructure as a Service
  • Computer Engineering
    Riga Technical University
    2021
    Echange en ERASMUS pour un semestre. Cours pertinents: Artificial Intelligence, Database Management, Operation Research

Skill set

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