Senior .Net Developer

Only Locals candidates are considered

Client is hiring a Software Application Developer to implement and maintain server side and UI components as part of a legacy-to-modernization effort. The project targets .NET Framework 4.8 and uses Visual Studio 2022 for development. This is a hybrid position requiring 2 in office days.

This role focuses on fullstack application development (server and UI), database integration, ETL/SSIS collaboration, performance and security hardening, and CI/CD support within an Agile Scrum team. Integrations are implemented via direct database access, SSIS/ETL, file interfaces, and scheduled jobs.

Application Development & Implementation

• Design, implement, and refactor server side components using C# and ASP.NET MVC targeting .NET Framework 4.8.
• Build and maintain Razor views and client behaviors using HTML5, CSS3, JavaScript, jQuery, and Bootstrap.
• Implement business logic, background jobs, scheduled tasks (Windows services / Task Scheduler), and server-side processing without introducing API layers.
• Use Entity Framework or ADO.NET and stored procedures for direct database access and transactional logic.
• Participate in code reviews and enforce coding standards, security, and maintainability best practices.

Technical Skills & Qualifications:

Required:

• Strong professional experience with C# and .NET Framework 4.8 (ASP.NET MVC, Razor views).
• Experience with Entity Framework and/or ADO.NET, T-SQL, stored procedures, and query performance tuning on SQL Server / Azure SQL.
• Proficiency with front-end technologies used by the project: HTML5, CSS3, JavaScript, jQuery, Bootstrap.
• Practical experience with Azure DevOps: Git source control, build/release pipelines, work item and test management.
• Familiarity with Visual Studio 2022 for day-to-day development and debugging.
• Strong troubleshooting skills and experience resolving production defects and performance issues.

Preferred:

• Experience with unit and integration testing frameworks and test automation.
• Hands on experience with SSIS or similar ETL tooling and coordinating application-side integration with ETL processes.
• Prior experience modernizing legacy .NET Framework applications in public-sector or enterprise contexts.
• Familiarity with Windows services, scheduled tasks, or job schedulers used to run background processing.
• Experience with application logging/telemetry and operational runbooks.
• Knowledge of security/access controls for enterprise applications and data handling best practices.
• Exposure to accessibility (WCAG) and cross-browser compatibility testing.

Key Deliverables:

• Implemented user stories with server and UI components.
• Technical design documents, UI mapping, and runbooks for operational support.
• Database schema updates, stored procedures, and performance tuning changes.
• SSIS/ETL coordination artifacts and integration test results.
• Unit/integration test artifacts and CI pipeline results in Azure DevOps.
• Deployment artifacts, pipeline definitions, and rollback/runbook documentation.
• Status reports, defect logs, and knowledge transfer materials.