We are looking for a highly skilled Senior C# ASP.NET Core Developer to join our client team on a freelance basis. The role focuses on developing and optimizing high‑performance, scalable applications within the Temporary Work and Payroll industry. Responsibilities include mastering advanced C# concepts, leveraging Entity Framework Core, designing efficient PostgreSQL data models, and implementing robust unit tests with xUnit and Moq. The ideal candidate will bring strong analytical skills, experience with scalable architecture, and a solid understanding of the payroll domain. French language proficiency is required.

Senior PHP/React Developer (Remote) – 8‑person team, 4 front‑end, 4 back‑end. Focus on PHP/Symfony and React/TypeScript to enhance document dematerialisation solutions for B2B/B2C. Responsibilities include application development, database management (MariaDB/PostgreSQL, MongoDB), asynchronous system design, legacy reverse engineering, migration, documentation, and technical debt reduction. Requires strong PHP/Symfony skills, React/TypeScript knowledge, and familiarity with Node.js, RabbitMQ, SQL/NoSQL databases. French language proficiency mandatory.

Senior PHP/React Developer (Freelance) – Novancy seeks an experienced developer to deliver high‑quality web solutions on a remote basis. The role involves designing, coding, and maintaining PHP back‑ends and React front‑ends, collaborating with cross‑functional teams, and ensuring performance, scalability, and security. Candidates should have strong problem‑solving skills, familiarity with modern frameworks, and a passion for clean, testable code. The position offers flexible hours, competitive remuneration, and the opportunity to work on diverse projects across the IT sector. Join Novancy’s dynamic talent network and contribute to innovative digital transformations. The role also requires effective communication skills, ability to work independently, and a commitment to continuous learning.