We are looking for a highly skilled Senior C# ASP.NET Core Developer to join our client’s team on a long‑term freelance basis. The role focuses on building high‑performance, scalable applications in the payroll and temporary work sector, leveraging modern .NET technologies, PostgreSQL, and unit testing best practices. The ideal candidate is self‑sufficient, analytical, and fluent in French.

Nous recherchons un développeur senior expérimenté spécialisé en C# et ASP.NET Core 8 pour rejoindre l'équipe de notre client. Le poste, à distance, implique la conception, le développement et l'optimisation d'applications performantes dans le secteur des missions temporaires et de la paie. Le candidat doit maîtriser les concepts avancés de C#, Entity Framework Core, PostgreSQL, ainsi que les tests unitaires avec xUnit et Moq. Il sera responsable de la mise en place d'une architecture évolutive, de l'optimisation des requêtes SQL et de la traduction de règles métier complexes. La connaissance du domaine de la paie est un atout. Le poste requiert une forte autonomie, une excellente logique et la maîtrise du français.

We are looking for a highly skilled Senior C# ASP.NET Core Developer to join our client’s team on a long‑term freelance basis. The role focuses on building high‑performance, scalable applications in the temporary work and payroll sector, leveraging modern .NET technologies, PostgreSQL, and robust unit testing practices. The ideal candidate will bring deep expertise in asynchronous programming, design patterns, and performance optimization, while also possessing strong analytical skills and the ability to work independently. French language proficiency is required.

We are seeking a highly skilled Senior Developer with expertise in C# and ASP.NET Core 8 to join our client team. This role will involve developing and optimizing applications, with a focus on performance and scalability in the Temporary Work and Payroll industry.

We are looking for a highly skilled Senior C# ASP.NET Core Developer to join our client’s team on a long‑term freelance contract. The role focuses on building high‑performance, scalable applications in the payroll and temporary work sector, leveraging modern .NET technologies, PostgreSQL, and robust unit testing practices. Candidates must be proficient in asynchronous programming, design patterns, and performance tuning, with strong analytical skills and the ability to work independently. French language proficiency is required.

We are looking for a highly skilled Senior C# ASP.NET Core 8 developer to join our client team. The role focuses on building high-performance, scalable applications in the temporary work and payroll sector. Responsibilities include mastering advanced C# concepts, optimizing Entity Framework Core queries, designing PostgreSQL data models, implementing unit tests with xUnit and Moq, and contributing to scalable architecture. Candidates should be self‑sufficient, analytical, and possess strong knowledge of the payroll industry. French language skills are required. The position is remote and offers a long‑term freelance contract.

Senior C# ASP.NET Core Developer – Remote, Long‑Term Contract. Join Novancy’s client team to design, develop, and optimize high‑performance applications in the Temporary Work & Payroll sector. Lead architecture decisions, implement scalable solutions, and ensure code quality through unit testing. Strong expertise in C#, ASP.NET Core 8, Entity Framework Core, PostgreSQL, and modern design patterns is required. French language proficiency is mandatory. Work independently, deliver on schedule, and contribute to a dynamic, remote environment.

Senior C# ASP.NET Core Developer – Remote. Design, develop and optimize high‑performance applications for the payroll and temporary work sector. Lead architecture decisions, implement scalable solutions, and ensure code quality through unit testing. Requires strong expertise in C#, ASP.NET Core 8, Entity Framework Core, PostgreSQL, and modern testing frameworks. French language proficiency is mandatory.

Senior C# ASP.NET Core Developer – Remote freelance role focused on building high‑performance, scalable applications for the Temporary Work and Payroll sector. Requires deep expertise in C#, ASP.NET Core 8, Entity Framework Core, PostgreSQL, and unit testing frameworks (xUnit, Moq). The candidate will design data models, optimize queries, and implement robust architecture while working independently. French language proficiency is mandatory.

We are looking for a Senior C# ASP.NET Core Developer to join our remote team. This freelance role requires a seasoned professional with deep expertise in .NET technologies, strong architectural skills, and a passion for delivering high‑quality, scalable solutions. You will collaborate closely with product owners, designers, and other developers to build robust web applications, microservices, and APIs that meet client needs. The ideal candidate is proactive, detail‑oriented, and thrives in an agile environment, contributing to code reviews, continuous integration, and best practices. If you have a proven track record in enterprise‑grade .NET development and enjoy working in a dynamic, remote setting, we’d love to hear from you.