> Markdown version of [/jobs/ext/2972613-developpeur-c-h-f](https://www.wearedevelopers.com/jobs/ext/2972613-developpeur-c-h-f). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md).

---

# Développeur C# (H/F)

- **Company:** TESSELATE FRANCE
- **Location:** Neuilly-sur-Seine, France
- **Experience:** Experienced
- **Contract:** Permanent contract
- **Skills:** ASP.NET, .NET Framework, Unit Testing, C Sharp (Programming Language), Continuous Integration, Software Design Patterns, DevOps, Entity Framework, Microsoft Visual Studio, Windows Presentation Foundation, Microsoft SQL Server, Model View Controller (MVC), Scrum Methodology, .NET Core, Blazor, Integration Tests, Restful APIs, Web Architecture, Web Api
- **Published:** September 18, 2026
- **Apply:** https://emploi.ouest-france.fr/offre-d-emploi/developpeur-c-h-f-13598601/

## About the Role

Formation en informatique ( Bac+5)

Expérience confirmée en développement C# / .NET (2 à 5 ans minimum).

Bonne maîtrise de l'environnement Microsoft : Visual Studio, SQL Server, Entity Framework.

Connaissance des architectures Web (MVC, Web API) et éventuellement de Blazor ou WPF.

Bonne compréhension des principes SOLID, design patterns, intégration continue.

Autonomie, rigueur, capacité d'analyse et bon relationnel.

Une expérience en environnement Agile/Scrum est un plus.

La maîtrise de l'anglais technique est appréciée.

## Description

Participer à l'analyse des besoins techniques et fonctionnels.

Concevoir et développer des applications en C# et .NET (ASP.NET, .NET Core...).

Mettre en œuvre des API RESTful et assurer leur intégration avec d'autres systèmes.

Réaliser les tests unitaires et participer aux phases de validation (tests d'intégration, recette).

Rédiger et maintenir la documentation technique.

Assurer la maintenance corrective et évolutive des applications existantes.

Travailler en collaboration avec les équipes produit, QA et DevOps.


## Related Videos

- [Blazor Unleashed: The Future of .NET Web Development](https://www.wearedevelopers.com/videos/1564-blazor-unleashed-the-future-of-net-web-development)
- [Why you must use TDD now!](https://www.wearedevelopers.com/videos/114-why-you-must-use-tdd-now)
- [Web APIs you might not know about](https://www.wearedevelopers.com/videos/281-web-apis-you-might-not-know-about)
- [From DevOps to Scaled DevOps: How We’re Rebuilding Continuous Delivery as a Platform](https://www.wearedevelopers.com/videos/100018-from-devops-to-scaled-devops-how-we-re-rebuilding-continuous-delivery-as-a-platform)
- [Blazor – the new SPA Framework for everyone who hates JavaScript](https://www.wearedevelopers.com/videos/699-blazor-the-new-spa-framework-for-everyone-who-hates-javascript)
- [Navigating the Corporate Jungle: Life as a Developer in a large Company](https://www.wearedevelopers.com/videos/621-navigating-the-corporate-jungle-life-as-a-developer-in-a-large-company)

## Related Articles

- [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)
- [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market)
- [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated)
- [Frontend Developer Salary in Germany [2023]](https://www.wearedevelopers.com/magazine/195-frontend-developer-salary-in-germany-2023)
- [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs)
- [Finding IT & Technology English-speaking Jobs in Germany ](https://www.wearedevelopers.com/magazine/446-finding-it-technology-english-speaking-jobs-in-germany)