Senior Data Engineer – Platform & Analytics. Lead the design, maintenance, and optimization of a high‑performance data stack using AWS services (Postgres RDS, Redshift, S3). Build ELT pipelines with Airbyte, model data with dbt, and orchestrate workflows via Prefect. Collaborate with product, operations, and analytics teams to deliver actionable insights, enforce data governance, and support AI initiatives such as LLMs, MCP, and RAG. Requires 6‑9 years of experience, strong SQL, Python/Java skills, and a passion for emerging data technologies.

Senior React Native Mobile Developer responsible for leading the design, development, and optimization of cross‑platform mobile applications for Android and iOS. The role demands deep expertise in React Native, TypeScript, Expo, and native module integration, ensuring high performance, stability, and scalability across diverse devices and OS versions. The candidate will manage the full mobile lifecycle, from CI/CD pipelines to store releases, while collaborating closely with backend, product, and design teams to deliver user‑centric experiences.

Senior Mobile Developer – React Native (Android, iOS & Expo) at z.systems is a key role in a fast‑growing VC‑backed tech company transforming retail across Africa. The position requires leading the design, development, and optimization of cross‑platform mobile applications using React Native, TypeScript, and Expo. Responsibilities include building new features, ensuring high performance, managing CI/CD pipelines, handling OTA updates, and coordinating with backend, product, and design teams. Candidates should have 3+ years of mobile development experience, strong expertise in React Native, and a solid understanding of performance optimization and native integrations. The role offers a hybrid work environment, a competitive CDI contract, and the chance to shape the future of digital retail.

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 contract. The role focuses on building high‑performance, scalable applications for the temporary work and payroll sector. You will design data models, optimize queries, implement unit tests, and contribute to a robust architecture. French language proficiency is required. This is a remote position based in Casablanca, offering flexibility and the chance to work with cutting‑edge technologies.

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.