Senior Software Engineer – .NET / Enterprise Application

At IT Labs , we are looking for a Senior Software Developer to join a client project focused on modernizing large-scale enterprise applications and business-critical workflows. The role will support the transition of legacy systems into a modern application environment, with a strong focus on data migration, system integrations, workflow automation, permitting processes, and customer-facing digital services . This is a hands-on engineering role for someone comfortable working across application development, databases, integrations, reporting, and complex existing systems. What You'll Do Develop and enhance enterprise applications using C# and .NET . Support the modernization and migration of legacy applications, including systems built on MS Access, Mainframe technologies, and other legacy platforms . Ensure data integrity, validation, and consistency throughout large-scale migration activities. Build and maintain web functionality using JavaScript, jQuery, AJAX, and DOM manipulation . Develop and optimize Oracle SQL and PL/SQL , including complex queries, stored procedures, and database structures. Design and maintain applications using MVC architecture , including routing, application security, and maintainable development practices. Develop and support secure integrations using RESTful and SOAP web services . Build and maintain SSIS ETL processes , including data transformation and performance optimization. Design, deploy, and integrate SSRS reports supporting operational