Application Developer 4

Work Mode: In office once or twice a week/flexible days

Application Developer Level 4

Project Description:

Provides advanced technical expertise and guidance in the design, modernization, and support of the agency’s mission‑critical software systems. Modernizes legacy VB.NET / .NET Framework applications into C# and .NET 8+. Ensures solutions are secure, scalable, and aligned with agency needs. Leverages Azure DevOps for CI/CD, version control, and work tracking. Works under a highly skilled and experienced team.

Experience and Skills Required:

·         .NET 8+ and C# development

·         Azure DevOps for CI/CD, version control, and work tracking

·         Strong analytical and communication skills

·         Demonstrated experience developing and maintaining secure custom web applications using C#/.NET, Razor Pages, Entity Framework, and Microsoft SQL Server

·         Experience deploying, configuring, and troubleshooting applications hosted on IIS in on-premises Windows Server environments

·         Strong working knowledge of relational database design, stored procedures, migrations, data classification/governance, audit trail, and secure handling of sensitive application data

·         Ability to work on public-facing and internal enterprise applications where security, reliability, auditability, regulatory/statutory compliance, and operational stability are critical

·         Familiarity with authentication, authorization, role-based access control, secure configuration management, logging, and error handling for production web applications

·         Experience working within restricted or high-security enterprise environments where arbitrary third-party dependencies, public APIs, SaaS platforms, or common cloud services may not be approved or available

·         Operational risk management, ability to understand and safely modify existing codebases, including legacy systems, without introducing unnecessary architectural complexity or risk

·         Strong documentation, communication, and source control practices, with the ability to thoughtfully coordinate changes across development, test, and production environments

The Contractor/Technician agrees to the following scope of work which should include but may not be limited to:

·         Modernize legacy VB.NET / .NET Framework applications to C# and .NET 8+

·         Design, develop, and maintain secure web applications using C#/.NET, Razor Pages, Entity Framework, and Microsoft SQL Server

·         Deploy, configure, and troubleshoot applications hosted on IIS in on-premises Windows Server environments

·         Implement and maintain CI/CD pipelines, version control, and work tracking using Azure DevOps

·         Ensure solutions meet agency requirements for security, scalability, reliability, auditability, and compliance

·         Collaborate with stakeholders to understand requirements and deliver solutions aligned with agency needs

·         Maintain strong documentation and coordinate changes across development, test, and production environments

·         Operate within restricted or high-security enterprise environments, adhering to agency policies regarding third-party dependencies and cloud services

·         Manage operational risk and safely modify existing codebases, including legacy systems

·         Provide technical guidance and support to team members

·         This position is expected to work and be available 8-5.