Senior C# / ASP.NET Engineer — Remote

GovCIO; Denver (CO); Remote; USD 160,000 - 185,000; Full time

Benefits offered by this job

EAP

Corporate Discounts

Learning platform

Certification assistance

Referral bonus

Internal mobility

Pet Insurance

Flexible work environment

Job summary

GovCIO is seeking an experienced C# / ASP.NET Application Engineer to maintain and enhance a C# ASP.NET web application with a SQL Server backend, SSIS packages, Active Directory integration, and SQL Server Agent scheduled jobs. This position is fully remote within the United States.

You will troubleshoot across the full stack, optimize queries and data models, participate in code reviews, and collaborate with DBAs, system admins, and security teams to deliver reliable, scalable software.

Qualifications

• Bachelor's in Computer Science or Engineering with 12+ years of experience or commensurate professional experience.
• Strong C# and ASP.NET experience.
• Solid T‑SQL skills and SQL Server administration knowledge.
• Hands-on SSIS development and troubleshooting.
• Experience with Active Directory and Windows Authentication.
• SQL Server Agent job management.
• Familiarity with IIS administration.
• Git-based development workflow.
• Strong problem‑solving and communication skills.

Responsibilities

• Maintain and improve ASP.NET (MVC/Web API/Web Forms) applications, ensuring seamless integration between front-end and back-end components.
• Support SQL Server databases: queries, indexing, performance tuning.
• Update and deploy SSIS packages.
• Manage SQL Server Agent jobs and troubleshoot failures.
• Design, query, and manage relational databases (SQL Server), including writing efficient T‑SQL, stored procedures.
• Configure and support AD authentication and IIS settings.
• Troubleshoot, diagnose and debug issues across the full application stack, from the UI down to the database and server layers.
• Collaborate with cross-functional teams including database administrators, system administrators, and security teams to design new features and troubleshoot issues.
• Maintain documentation and follow secure coding practices.
• Write clean, maintainable, and well-documented code following .NET coding standards and object-oriented design principles.
• Optimize data models and database architectures to enhance performance and scalability.
• Participate in code reviews and contribute to overall code quality and adherence to .NET best practices.
• Stay current with updates to the .NET framework and the broader Microsoft development ecosystem, recommending improvements where relevant.

Skills

C# / ASP.NET

Problem-solving

Communication

Git-based development

Education

Bachelor's in Computer Science or Engineering

Tools

SSIS

SQL Server

Active Directory

IIS

T-SQL

Job description

GovCIO is seeking an experienced C# / ASP.NET Application Engineer to maintain and enhance a C# ASP.NET web application with a SQL Server backend, SSIS packages, Active Directory integration, and SQL Server Agent scheduled jobs. This position is fully remote within the United States.

You will troubleshoot across the full stack, optimize queries and data models, participate in code reviews, and collaborate with DBAs, system admins, and security teams to deliver reliable, scalable software.