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Léo Corvaisier-PalluyLC

Léo Corvaisier-Palluy

Full-Stack Developer | C#, Python, Java, JS

€200/day
Villeurbanne, FR
0-2 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Léo

Full-stack developer and automation architect, I help companies transition from time-consuming manual tasks to autonomous, secure, and measurable systems.

• No-Code / Low-Code: Zapier and Make workflow design, webhooks, API linking (CRM, ERP, e-commerce, Google Workspace, Airtable…).
• Notion expert: building complete workspaces (project management, knowledge base, reporting) or creating sellable templates.
• AI & Prompt Engineering: custom GPT, content generation, support bots, research automation.
• Software Development: Python (Django/FastAPI), Java (Spring/Spring Batch), C#/.NET (WPF, Blazor). API design, background jobs, testing, and CI/CD.
• Methodology: MVP breakdown, rapid deliveries, clear documentation (Loom, diagrams), asynchronous communication EN/FR.
  • French

    Native or bilingual

  • English

    Conversational

Can work on-site
Villeurbanne (up to 50km), Lyon (up to 10km), Montpellier (up to 10km)

Experience

  • Mills
    C# Developer
    November 2024 - Today (1 year and 7 months)
    Vaulx-en-Velin, France
    Currently employed at MILLS, I am involved in the development of business software in an industrial and logistics environment. I ensure the design, development, and maintenance of robust and high-performance solutions in C#, particularly with WPF and Blazor, while focusing on user experience. My main responsibilities:
    - Development of desktop and web applications (WPF, Blazor)
    - Design and integration of intuitive user interfaces
    - Implementation and consumption of REST APIs
    - Full-stack development with C#, HTML, JavaScript, and XML
    - Collaboration with business teams to understand and translate functional requirements
    - Use of OOP (Object-Oriented Programming) best practices
    - Participation in technical choices and continuous improvement of tools Technical environment: # C#, .NET # WPF, Blazor # REST API # HTML / JavaScript / XML # Linux # Python (support and complementary tools)
    C# .NET Developer Revit API IFC
  • Crédit Agricole Technologies et Services
    Support Engineer / Developer Engineer
    September 2023 - September 2024 (1 year)
    Lyon, France
    During my work-study program, I had the opportunity to work at the intersection of software development and technical support, in a demanding environment requiring rigor, adaptability, and attentiveness. My main responsibilities:
    - Development and optimization of algorithms for complex processing
    - Participation in application development with Java and the Spring / Spring Batch framework
    - Technical support for internal users and assistance with commissioning
    - Diagnosis and resolution of application and system bugs
    - Implementation and monitoring of software maintenance processes
    - Electronic document management (EDM) and integration into business workflows
    - Collaboration with multidisciplinary teams (developers, project managers, users) Technical environment: # Java / Spring / Spring Batch # Visual Studio (complementary tools) # Advanced algorithms # EDM (Electronic Document Management) # Application maintenance and commissioning Key soft skills developed: ✔ Adaptability to changing business needs ✔ Attentiveness and pedagogical skills with users ✔ Analytical and rapid adaptation skills to new frameworks
  • Crédit Agricole Technologies et Services
    Full Stack Developer
    April 2023 - June 2023 (2 months)
    Annecy-le-Vieux, France
    During this internship, I participated in the complete development of an internal communication tool designed to optimize team exchanges. This project allowed me to work on both the back-end in Python with Django and the front-end in Vue.js, while adhering to security and performance constraints. My main responsibilities:
    - Design and development of an internal communication tool in Python (Django)
    - Integration of responsive web interfaces with HTML, CSS, and JavaScript
    - Front-end development in Vue.js for a fluid user experience
    - Database management and modeling
    - Implementation of algorithms for data processing and message dissemination
    - Collaboration with technical and functional teams
    - Participation in project testing and documentation Technical environment: # Python / Django # Vue.js / JavaScript # HTML / CSS # Visual Studio # Relational databases # Advanced algorithms Key soft skills developed: ✔ Clear and adapted communication between business and technical teams ✔ Attentiveness to understand end-user needs ✔ Analytical mindset and rapid adaptation to new frameworks

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Education

  • Computer Science Networks and Communication, Computer Networks
    CPE Lyon
    2024
    Informatique Reseaux et Communication , Informatique réseaux
  • BUT, Computer Science
    IUT Annecy
    2023
    BUT, Informatique

Skill set

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