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Francesco HartemannFH

Francesco Hartemann

Software Engineer - Craftsmanship & Teaching

€500/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Francesco

Hello, I'm Francesco, a freelance full-stack engineer based in Paris with over 6 years of experience in Web and Mobile development.

My journey is fueled by multiple collaborations that you'll find in my portfolio.

Proactive and attentive to your projects, I can adapt to your needs while bringing my expertise to advise you.

I am strongly product-oriented, which allows me to ensure that the project meets the clients' needs.

I also want to emphasize that I have a people-oriented profile. I place great importance on communication within teams to establish a climate of trust conducive to constructive exchanges and prevent misunderstandings.

Feel free to contact me for all your projects.
  • English

    Fluent

  • Italian

    Fluent

  • French

    Native or bilingual

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

Experience

  • Baback
    Return Saas
    TECH
    August 2024 - Today (2 years)
    Paris, France
    Migration, refactoring and evolution of SaaS tools for e-commerce merchants (Shopify, Salesforce).

    Frontend redesign with migration to React and TypeScript.

    Development of a parcel tracking solution.

    Implementation of customizable email and wallet notifications.

    Application of clean architecture with unit and integration tests.
    Software Craftsmanship TypeScript React.js NestJS Unit Tests
  • B-School by BNP Paribas
    Trainer at BNP
    EDUCATION AND E-LEARNING
    September 2025 - Today (11 months)
    Cergy-Pontoise, France
    Trainer for master's classes, I teach software development, particularly key concepts and several languages, including TypeScript, Python, and Java. I also cover frameworks like Spring Boot, Angular, or Express, as well as libraries like React.

    I also lead training sessions on advanced testing strategies, algorithmics, and the practical application of design patterns in real-world applications.

    My courses include a theoretical part followed by a group project to be completed and presented orally at the end of the week, applying agile concepts from the Scrum methodology, with visual support. I guide students throughout this project and help them understand how to design and architect software.
    Scrum TypeScript Java Automated Tests Higher Education
  • Axa
    Backend Developer
    BANKING AND INSURANCE
    July 2023 - August 2024 (1 year and 1 month)
    Nanterre, France
    I work as a backend developer for the maintenance and evolution of APIs using Java and Spring technologies.

    • Development, documentation, and deployment on CaaS of an API for field marketing agents.
    • Maintenance of microservices and implementation of unit tests via Cucumber Gherkin and E2E for existing Java/Spring services.
    • Real-time Kafka stream processing.
    • Migration of .Net code to Java 21.
    Java SOLID Spring Design Patterns Agile Methodologies

Recommendations

Justine ChapelleJC
FU
Andres EspinozaAE
+1
Justine Chapelle and 3 other people have recommended Francesco

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Education

  • Full Stack Developer
    Coding Factory by ESIEE Tech
    2021
    Analyste Développeur d'applications informatique, InformatiqueAnalyste Développeur d'applications informatique Niveau : Bac +2 HTML 5/CSS 3, Python, Algo, C#, Java, JavaScript, .NET, Scrum, MySql, NoSql, Architecture Linux, Responsive Design, PHP, Androïd, IOS, DevOps, Programmation embarquée (Raspberry Pi, Arduino).
  • Web and Mobile Developer
    Coding Factory by ESIEE Tech
    2021
    Développeur de solutions mobiles et connectées, Programmation informatique, applications spécifiques et devops

Certifications

  • TDD & Clean Architecture in the Node.js World
    Wealcome
    2023
    BDD TDD Clean Architecture
  • TDD and Hexagonal Architecture in Frontend in Practice
    Craft Academy
    2023
    Redux TDD Design Patterns Clean Architecture React.js

Skill set

Categories