Castelis is a French engineering firm specializing in the design, development, deployment, and maintenance of custom web solutions for industrial and tertiary sectors. Established in 1999, Castelis has grown to a team of over 190 professionals, offering tailored digital solutions that integrate seamlessly with clients' existing technical environments. Their expertise spans various technologies, including both proprietary and open-source platforms, ensuring the delivery of sustainable and efficient information systems. Key Features and Functionality: - Custom Development: Creation of bespoke websites, business applications, intranets, and extranets tailored to specific organizational needs. - Digital Experience Platforms : Implementation of platforms like Sitecore to enhance customer experiences through personalized, multi-channel content management. - Cloud Solutions: Deployment of applications on cloud platforms such as Microsoft Azure, ensuring scalability, security, and compliance with data regulations. - Mobile Application Development: Development of native and hybrid mobile applications using technologies like Swift for iOS, Kotlin and Java for Android, and React Native. - Infrastructure Services: Provision of agile IT infrastructures capable of adapting to constant innovation and business changes while maintaining high performance. Primary Value and Solutions Provided: Castelis delivers innovative digital solutions that optimize customer experiences, streamline business operations, and support digital transformation initiatives. By offering personalized support and leveraging a wide range of technologies, Castelis addresses the unique challenges of each client, ensuring the development of powerful user experiences and reliable technology platforms. Their comprehensive approach includes everything from initial design to ongoing maintenance, providing long-term value and adaptability in an ever-evolving digital landscape.