Client First Technologies is seeking a .NET Software Developer to support a contract with their government customer, building and enhancing C-Sharp/.NET web applications hosted in Windows/IIS with SQL Server backends.
Requirements
- 3–6 years with C-Sharp, ASP.NET (MVC and/or .NET 6/7+), REST APIs, and SQL Server.
- Hands-on with IIS, Windows Server, and modern auth (OIDC/SAML/Azure AD or similar).
- Experience delivering within a gated SDLC and working to defined SLAs.
- Practical knowledge of secure coding (OWASP), logging/telemetry, and performance profiling.
- Ability to produce 508-conformant UIs (ARIA semantics, keyboard nav, color contrast) and/or collaborate with UX for compliance.
- Experience with CI/CD (GitHub Actions/Azure DevOps) and load-balancers.
- Experience modernizing legacy .NET Framework apps to .NET Core.
Responsibilities
- Design, develop, and maintain ASP.NET (MVC/Core) and Web API services supporting mission apps.
- Implement data access with SQL Server (T-SQL, stored procedures), optimize queries, and handle migrations.
- Integrate with enterprise services (M365/Exchange Online, identity/federation, logging/monitoring).
- Write unit/integration tests; participate in peer reviews; maintain CI-friendly build/readiness artifacts.
- Prepare release notes and configuration items for Change Control Board; support Test Lab validation and staging?production promotion.
- Remediate vulnerabilities, apply secure coding practices, and support ATO/RMF evidence (as needed) with documentation.
- Ensure Section 508/WCAG 2.1 AA compliance and contribute to knowledge articles in ServiceNow.
Other
- Candidate will need to successfully pass a Government Background Investigation (BI).
- Provide on-call support for urgent non-prime incidents on a rotational basis.
- 3–6 years of experience
- Ability to work within a structured SDLC and follow change control
- Veterans and military spouses are encouraged to apply.
