You're seeing this page as if you were . The main menu is still yours, though. Exit from immersion
Joël NdombeleJN

Joël Ndombele

.NET / C# Developer | API | SQL Server | Bug fix

€600/day
Paris, FR
3-7 years

Average response time: 1 hour

Freelancer profile translated to English.
Back to original language

About Joël

C#/.NET developer with over 4 years of experience, mainly working on web and API projects in a Microsoft environment.

✅ What I do most often:
- Bug fixing (API, backend, SQL)
- API development and improvement (.NET / ASP.NET Core)
- SQL Server query optimization
- Adding features to existing applications
- Occasional technical support

⚡ My specialty:
Quickly intervening on existing projects, understanding the problem, and providing an effective solution.

🛠 Technical Stack:
C#, .NET / ASP.NET Core, SQL Server, Vue.js / Nuxt, Git, Azure DevOps

💬 Work Method:
- Quick needs analysis
- Simple and effective proposal
- Clear communication
- Fast delivery

📅 Availability:
Occasional interventions possible, responsive to urgent requests.

Feel free to contact me to discuss your needs.
  • French

    Native or bilingual

  • English

    Fluent

  • German

    Conversational

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

Experience

  • Inmacwstore
    C# Engineer
    January 2023 - Today (3 years and 7 months)
    Le Plessis-Robinson, France
    Tech: .Net, C#, HTML, CSS, Javascript, Vue Js, Nuxt Js, SQL
    Coding vibe: Git Copilot, Cursor
    Tools: Azure devops, SQL Server Management Studio, SQL Server Profiler, Git, TFS
    Gitlab CI/CD Microsoft Visual Studio C# ASP.NET Core JavaScript
  • CNRS - Centre national de la recherche scientifique
    IT Design Engineer
    November 2021 - Today (4 years and 9 months)
    Strasbourg, Grand Est, France - Institut Pluridisciplinaire Hubert Curien
    Development of new specific features for the ANR Tramet application. This project aims to observe birds (mandarin finches) and analyze their behavior according to the food load given to them, but also to observe changes in their physical condition and fertility for females. The web application is coded with the Python Django framework. Development of storage for the application via a MongoDB database. Responsible for analyzing the application's results.
  • Liebherr Group
    Software Developer Apprentice
    September 2019 - September 2021 (2 years)
    Région de Colmar, France
    Mission for the first year of apprenticeship: Development of an application for production planning management using ASP.NET CORE. Development of the front-end part using HTML, CSS, Razor, and Javascript. Back-end part developed in C#. Work organization in agile mode using the JIRA platform, versioning and hosting of source code using GIT. IDE used: Visual Studio. Mission for the second year of apprenticeship: Adaptation of Informix queries used for the Baan ERP into SQL views to use them for creating SSRS reports with Report Builder. Work on analyzing Informix queries to adapt them to the data models of the new Infor LN ERP currently being integrated at Liebherr. Learning the Extract-Transform-Load process in general.

Recommendations

Be the first to recommend Joël

Help this freelancer shine by sharing your experience working together.

These freelancer profiles also match your criteria

AgathaA

Agatha Frydrych

Backend Java Software Engineer

4.7

(3)

2

BaptisteB

Baptiste Duhen

Fullstack developer

4.6

(4)

5

AmedA

Amed Hamou

Senior Lead Developer

4

(2)

7

AudreyA

Audrey Champion

Web developer

4.3

(3)

4

Education

  • Master MIAGE (Information Technology Applied to Business Management)
    University of Haute-Alsace
    2021
  • Bachelor of Science in MIAGE (Information Technology Applied to Business Management)
    University of Haute-Alsace
    2019

Skill set

Categories