About us Since 2007, Crionet has been innovating in the world of professional tennis, delivering advanced technological solutions that enhance the live experience for players, organizers, and fans. We partner with international federations, tours, and broadcasters to bring cutting-edge digital systems onto the court and behind the scenes of the world's most prestigious tournaments. The Role We're seeking a middle full-stack .Net Developer (min. 2 years of experience) to join our development team in Rome. You'll work on a variety of projects, from back-end systems to cross-platform applications, in an environment where technology meets sport and your work directly supports live international events. What You'll Do Manage the full software lifecycle: requirements, development, testing, and maintenance. Develop APIs and complex platform with .NET Core / C#. Design and maintain relational databases (SQL Server). Contributes to the development of web and mobile apps. Review and optimize code to ensure quality, scalability, and performance. Collaborate closely with product, design, and QA teams to deliver high-impact solutions. Troubleshoot and resolve complex technical issues quickly and effectively. Maintain clear and detailed technical documentation. What We're Looking For Strong programming skills in: C# and solid knowledge of .NET Core (min. 2 years of experience) HTML, CSS and JavaScript (min. 2 years of experience) Knowledge and strong experience with CSS and JS frameworks and libraries (Bootstrap, jQuery, ecc) Hands-on experience with relational databases and ORM frameworks. Familiarity with CI/CD pipelines, Git, and software versioning. Understanding of software architecture and distributed systems. Awareness of security best practices and performance optimization. Good understanding of cloud infrastructure (Azure or AWS preferred). Professional fluency in English (spoken and written). Nice to Have Experience with .NET