Technologies-expected :. NET Oracle Crystal Reports Aurelia Framework about-project : For a leading international retail group specializing in the distribution of groceries and household products, we are looking for a person for the position of Senior. NET Software Engineer In this role, you will support the maintenance of customer-facing systems, including the Logistics Portal, Customer Service Portal, and CMF. You will spend approximately 70% of your time maintaining these systems, troubleshooting issues, and ensuring their smooth operation. The remaining 30% will be dedicated to implementing customer-requested changes and system improvements. responsibilities : Maintain and troubleshoot customer systems. Fix bugs and perform system analyses. Recommend solutions to improve system performance. Execute development tasks for requested changes on the portals. requirements-expected : NET Framework 4.7.2 Oracle 11g Database Crystal Reports 13.0.29 Aurelia Framework Knowledge of. NET development, Oracle databases, and Crystal Reports. Experience in IT system maintenance and support. Proficiency in English (minimum B2 level). Hybrid work model: 2 days per week in the office (offices in Warsaw, Katowice, Poznań, Lublin, Łódź, or Rzeszów). benefits : sharing the costs of sports activities private medical care sharing the costs of foreign language classes sharing the costs of professional training & courses life insurance remote work opportunities fruits integration events