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Joris LenclumeJL

Joris Lenclume

Backend .NET C# Developer

€520/day
Lyon, FR
8-15 years

Average response time: 1 hour

Freelancer profile translated to English.
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About Joris

Looking for a .NET developer?
You've come to the right place.

I am a software engineer with over 11 years of experience and a specialist in .NET development.

I have worked in various sectors such as transport, manufacturing, and e-health.
I have collaborated with companies like Kuehne+Nagel, Emerson, and MN Santé.

I am able to:
- Design, develop, and maintain backend functionalities in line with business needs,
- Participate in writing detailed technical specifications,
- Analyze the impact of product design on the IT technical architecture,
- Develop and maintain functionalities in .NET, ASP .NET, MAUI, Blazor, WPF, or Windows Forms,
- Develop APIs,
- Implement software architecture such as Clean Architecture,
- Implement CI/CD,
- Write technical documentation,
- Set up relational databases (SQL, SQL Server, PostgreSQL, etc.),
- Perform unit and integration tests to ensure code quality,
- Participate in refactoring, continuous improvement, and code review contributions.

I also have knowledge of: Python, Django REST Framework, React, Android, Keycloak.

I also place great importance on transparency with my clients.
I send a daily report to my clients at the end of the day on all the tasks I have performed.

Do you have a project?

Contact me directly on Malt.
  • French

    Native or bilingual

  • English

    Fluent

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

Experience

  • Objow
    Python Developer
    SOFTWARE PUBLISHING
    February 2024 - Today (2 years and 4 months)
    Lyon, France
    Objow is a startup specializing in gamification in the workplace. It offers a SaaS platform that drives, engages, and rewards employee performance.

    Objow has clients such as Edenred, Cegid, Yoplait, and Manpower. Its SaaS platform is used by over 25,000 users.

    Following a successful initial project in 2019, I rejoined the new technical team in 2024. The objective is to participate in the development of an extension for the SaaS platform. Objow is developing this extension in partnership with a CAC 40 company.

    The team consists of 9 people:
    - 3 Python developers,
    - 2 React.js developers,
    - 1 data engineer,
    - 1 DevOps engineer,
    - 1 UX designer,
    - 1 CTO.

    As a Python developer, my responsibilities include:
    - Developing the API in Python and Django REST Framework,
    - Developing the application in JavaScript and React.js,
    - Evolving the PostgreSQL database with Django,
    - Setting up an identity provider with Keycloak,
    - Scoping the technical requirements of business needs,
    - Estimating the complexity points of different tasks,
    - Supporting other Python developers: pair programming, code reviews, etc.,
    - Deploying the SaaS platform on Azure.

    I contributed to the following developments:
    - The integration of +100,000 new users through the extension.

    👉 Web Application: 👉 iOS Application: 👉 Android Application:
    Technical stack: Python, Django REST Framework, TypeScript, React.js, React Native, SQL, PostgreSQL, Keycloak, TDD, PyCharm, WebStorm, DataGrip, GitHub, Git, Docker, Docker Compose, JIRA, Figma, Notion, backend web development, frontend development, mobile application development, iOS, Android.
    Python Django Rest Framework Typescript React.js PostgreSQL
  • Everial
    Tech Lead .NET
    LOGISTICS AND SUPPLY CHAIN
    January 2023 - February 2024 (1 year and 2 months)
    Rillieux-la-Pape, France
    Everial is a company specializing in document management (invoices, contracts, etc.). Its goal is to reduce document management costs and legal risks. To achieve this, Everial offers document archiving and digitization solutions, as well as support for digitizing document processes.

    Everial has clients such as Crédit Agricole, La Banque Populaire, Sanofi, and Boiron. The company has an annual turnover of over €50 million with more than 350 employees.

    After a successful first part of my mission at Everial, I became Tech Lead of the development team in 2023.
    I participated in the development of a portal for clients. This portal allows them to access information about their archives.

    The team consisted of 18 people:
    - 1 .NET Tech Lead,
    - 6 .NET Developers,
    - 1 Database Administrator,
    - 1 Architect,
    - 4 Project Managers,
    - 4 Testers,
    - 1 Scrum Master.

    As a .NET Tech Lead, my responsibilities included:
    - Architecting the new client portal in C# and ASP .NET Core,
    - Creating the SQL Server database with Entity Framework,
    - Optimizing the performance of Emeraude in C# .NET and WPF,
    - Upskilling the team on advanced NHibernate concepts,
    - Supervising the work of developers (pair programming, code reviews, assistance, etc.),
    - Scoping the technical requirements of business needs.

    I contributed to the following developments:
    - Generating over 75% of the company's revenue,
    - Archiving over 5000 km of documents, equivalent to over 25 billion pages,
    - Managing over 18 archiving sites.

    👉 Company Website:
    Technical stack: C#, .NET, ASP .NET Core, WPF, Xamarin, XAML, MVVM, Entity Framework, NHibernate, SQL, SQL Server, Visual Studio, Azure DevOps, Git, software development, backend web development, frontend development, mobile application development.
    C# .NET ASP.NET Core WPF SQL Server
  • Everial
    .NET Developer
    LOGISTICS AND SUPPLY CHAIN
    February 2021 - December 2023 (2 years and 11 months)
    Rillieux-la-Pape, France
    Everial is a company specializing in document management (invoices, contracts, etc.). Its goal is to reduce document management costs and legal risks. To achieve this, Everial offers document archiving and digitization solutions, as well as support for digitizing document processes.

    Everial has clients such as Crédit Agricole, La Banque Populaire, Sanofi, and Boiron. The company has an annual turnover of over €50 million with more than 350 employees.

    I joined the development team in 2021 for a three-year period.
    I participated in the development of Emeraude. This software manages all business workflows for physical document archiving, from retrieval to storage, with precise location tracking for each document.

    The team consisted of 23 people:
    - 10 .NET Developers,
    - 1 Database Administrator,
    - 2 Architects,
    - 4 Product Owners / Functional Project Managers
    - 4 Testers,
    - 1 Scrum Master,
    - 1 Team Lead.

    As a .NET Developer, my responsibilities included:
    - Developing the archive import module in C# .NET and WPF (+200,000 archives imported/day),
    - Developing the mobile scanning application for Zebra TC26 devices in C# .NET and Xamarin,
    - Developing the API in C# and ASP .NET Core,
    - Evolving the SQL Server database in SQL,
    - Scoping the technical requirements of business needs.

    I contributed to the following developments:
    - Generating over 75% of the company's revenue,
    - Archiving over 5000 km of documents, equivalent to over 25 billion pages,
    - Managing over 18 archiving sites.

    👉 Company Website:
    Technical stack: C#, .NET, ASP .NET Core, WPF, Xamarin, XAML, MVVM, NHibernate, SQL, SQL Server, Visual Studio, Azure DevOps, Git, software development, backend web development, frontend development, mobile application development.
    C# .NET ASP.NET Core WPF SQL Server

Recommendations

Ali BelabbasAB
Lilian AlvarezLA
JL
+1
Ali Belabbas and 3 other people have recommended Joris

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Education

  • Professional License in Computer Systems and Software
    Tétras
    2014
    Spécialité Chargé de Projet Informatique
  • BTS in Computer Services for Organizations
    Lycée Saint Michel
    2013
    Spécialité Solutions Logicielles et Applications Métiers

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