Senior .NET Developer (English)

About Us:At CJ OliveNetworks Vina, we drive digital transformation and innovation of space and daily life with our experience and know-how in successfully providing end-to-end IT service based on life and culture. Our mission is contributing to the growth and happiness of our employees and global community by creating customer value through ONLYONE digital experience. Job DescriptionAs a Senior .NET Developer, you will play a key role in driving seamless data exchange across global enterprise systems. You will design, develop, and optimize EDI applications, ensuring secure, efficient, and compliant data integration. Develop and support new/existing applications using .NET and SQL. Provide daily operations support for the EDI (Interface) system. Update processes and documentation as needed. Perform change request at existing application to meet customer’s requirements. Responsible for EDI development and maintenance globally EDI mapping, transformation (ANSI X12, EDIFACT, XML, JSON) Configure and manage communication protocols such as VAN, AS2, SFTP, and APIs Integrate EDI with WMS, TMS, SAP, CRM, and other enterprise systems Ensure compliance with security and regulatory standards (e.g., SOX, GDPR) Participate in new project development and maintain existing system performance. System design, development and implementation to reflect user requirements. Identify and resolve problems in the event of a failure.