Develop and maintain full-stack business applications supporting manufacturing, supply chain, quality, MES, ERP, and PLM systems. Build web interfaces, server-side logic, business rules, REST APIs, database schemas, and stored procedures using C#, .NET, JavaScript, React, SQL, and Oracle. Collaborate with business analysts, perform testing and debugging, participate in GitLab CI/CD pipelines, document solutions, and provide ongoing application support and performance optimization.