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 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.