Novancy is seeking a highly skilled Senior C# ASP.NET Core Developer to join its remote freelance team. The role demands deep expertise in .NET Core 8, Entity Framework Core, PostgreSQL, and unit testing frameworks such as xUnit and Moq. Candidates will architect scalable, high‑performance solutions for the Temporary Work/Payroll domain, leveraging asynchronous programming, generics, and design patterns. Fluency in French is required. This position offers the flexibility of remote work while delivering critical software solutions for Novancy’s clients in information systems and digital transformation.

We are seeking a Senior Technical Lead to champion architectural integrity and code quality for our core Fintech platform. The role blends strategic design, hands‑on coding, and rigorous code reviews, ensuring scalable, secure, and maintainable systems. You will collaborate closely with product owners, guide technical decisions, and mentor the engineering team in best practices. Ideal candidates bring 3‑5 years of senior engineering experience, expertise in microservices, performance scaling, and CI/CD pipelines, and thrive in an Agile environment.

Senior React Native Mobile Developer – Lead the design, development, and optimization of cross‑platform mobile applications for Android and iOS. Drive technical excellence, ensure high performance, and collaborate closely with backend, product, and design teams to deliver user‑centric experiences.

Senior React Native Mobile Developer at z.systems, a fast‑growing tech company transforming retail across Africa. Lead cross‑platform mobile development, optimize performance, and collaborate with backend, product, and design teams to deliver high‑quality Android and iOS apps.

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 Temporary Work and Payroll sector. You will design and optimize data models, implement asynchronous services, and ensure code quality through unit testing. Fluency in French is required, and experience with PostgreSQL, Entity Framework Core, and modern .NET practices is essential.

We are seeking a Senior Technical Lead to champion architectural integrity and code quality for our core FinTech platform. The role blends deep technical strategy with hands‑on coding, ensuring robust, scalable, and secure systems. You will lead design, review, and automation initiatives, mentor developers, and collaborate closely with product owners to translate business goals into technical solutions. With 3+ years of senior engineering experience, you will drive continuous improvement, manage technical debt, and maintain high standards across the stack.

Join Haldorix as a Computer Vision ML Engineer to develop real‑time vision systems for industrial production lines. You will optimize and deploy deep learning models using ONNX and TensorRT, manage active learning pipelines, benchmark GPU performance, and collaborate with cross‑functional teams to ensure robust, production‑grade solutions.

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 seeking a Computer Vision & ML Engineer to develop real‑time vision systems for industrial production lines. The role involves optimizing deep learning models with TensorRT and ONNX, managing active learning pipelines, conducting GPU benchmarking, and collaborating with cross‑functional teams to deliver production‑grade solutions.

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.