Sr. .Net Full Stack Developer

Job description

Sr .Net Developer

Richmond, VA - local candidates only

70.00 per hour W2 - 

6+ months Right to hire



We are seeking a Sr. .Net Developer for our client located in Richmond VA.

 This advanced technical role is responsible for the development, integration, and maintenance of the internal application and associated systems.

The position requires expertise in software development, with a focus on .NET full-stack development, application support, and project oversight.

The incumbent leads technical and functional tasks, mentors team members, and ensures compliance with security standards while contributing to modernization efforts and aligning with long-term technology goals.

This role will be heavily involved with the project to move the agency off the mainframe and application, replacing it with the web-based MAX system.

As a part of that, the role will involve mentoring other staff on .NET, Angular, and other technologies involved with the new solution.
Position Responsibilities
Software Development & Coding (20%)

• Develop, optimize, and maintain applications using .NET frameworks, VB.NET/C#, Visual Studio, and SQL databases, ensuring scalability and performance.


• Ensure code adheres to SEC 501 security standards and implement best practices for secure, maintainable, and well-documented software.


• Create and maintain comprehensive code documentation, detailing logic, dependencies, and configurations to support maintainability and knowledge sharing.


• Conduct thorough code reviews and unit tests, including negative tests, to verify functionality, mitigate risks, and uphold code quality.

• Conduct in-depth analysis of technical requirements, producing detailed design specifications that align with security and operational standards.


• Collaborate with cross-functional teams to validate design solutions, complete technical documentation, and adhere to change control protocols.


• Troubleshoot and enhance system performance, supporting smooth integration with mySelect, CSS, and external partner systems.

• Follow established change control processes, executing integration, stress, and user acceptance testing (UAT) to ensure application stability and performance.


• Provide clear documentation and support for testing staff, enabling the creation of detailed functional test scripts for all software changes.


• Conduct comprehensive unit tests, including peer reviews and negative testing, to maintain code quality and ensure readiness for production.

• Serve as the primary point of contact for production support issues, ensuring timely identification, documentation, and resolution of application incidents.


• Monitor system logs, document recurring issues, and address technical debt to enhance long-term system reliability and performance.


• Participate in on-call rotations, coordinating responses to urgent issues and arranging backup as needed.

• Drive modernization initiatives for the application, evaluating and recommending system upgrades to optimize compatibility and efficiency.


• Lead regular team meetings to discuss improvements, integration strategies, and address application-specific issues.


• Mentor and guide team members, fostering knowledge sharing and skill enhancement within the team.

• Ensure performance meets business requirements, proactively addressing issues with Development Manager and IT Operations staff.


• Advise Development Manager on potential problems, leading troubleshooting efforts and supporting timely resolutions.


• Contribute to project and development planning, recommending staffing and prioritization to optimize team performance.


• Oversee change control documentation, guiding the team on -related issues and acting as a resource in the Development Manager's absence.

• Proficiency with .NET development tools, object-oriented programming, and SQL databases, with an understanding of their integration within networked environments.


• Strong analytical and troubleshooting skills to diagnose and resolve technical challenges, including those involving network architecture and connectivity issues.


• In-depth understanding of Agile development methodologies and software lifecycle processes, including change control and their application within distributed systems.


• Excellent communication and collaboration skills for working with cross-functional teams, providing technical documentation, and conveying complex concepts related to application and network integration.


• Proficiency in web services, APIs, and integration testing protocols to support complex, multi-system applications.

• Advanced knowledge of secure application development practices, including familiarity with security policies like SEC 501.


• Familiarity with TSO, COM-PLETE, JCL, Windows operating systems, and CSS Mainframe systems, essential for managing integrated applications.


• Skill in mentoring and guiding team members, with the ability to share technical knowledge effectively.

• High School Diploma or Equivalent.

• Bachelor's degree in computer science, Information Technology, or a related field.


• Microsoft Certified: Azure Developer Associate to demonstrate proficiency in developing cloud applications and services.


• Microsoft Certified: DevOps Engineer Expert to show expertise in DevOps practices and tools for continuous integration and delivery.

• Hands-on experience in .NET development, with current working experience in VB.NET and C# for application design, coding, and maintenance.


• Proven experience in system integration and technical troubleshooting, including resolving issues across interconnected applications.


• Familiarity with software lifecycle management processes and user acceptance testing (UAT) protocols to ensure quality and compliance.


• Demonstrated experience collaborating with cross-functional collaboration to resolve software defects, enhance system functionality, and align with business objectives.


• Experience mentoring and guiding team members, fostering knowledge sharing, and enhancing technical skills within the team.


• Extensive experience managing complex application integrations


• Experience with development using Angular with TypeScript to deliver responsive and scalable applications.

• Proficiency with Azure DevOps for source code management, CI/CD pipelines, and project tracking.


• Background in public sector or regulated environments, ensuring compliance with security and operational standards.

Required Skill Profession

Other General