Job Description

Title: Sr. .NET/ASP/C# Developer

Employment Type: Contract

Start Date: 01/19/2026

Last Day to Submit: 12/29/25

Term: 9+ Months

Location: Washington, DC

# of Positions: 3

Interview type: In-Person

Work location : Onsite

Local Candidates and will to be onsite only

11-15 years of experience. Proven professional experience in the design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using Microsoft .NET Technologies, ASP & C# (C-Sharp).

This position is housed under Application Software Development (ASD) Division (ASD) of the Office of Information Systems (OIS). The developer will build and implement additional functionality and system enhancements as requested for assigned applications. Make system fixes to Assigned Applications as needed. Troubleshoot production issues. Work with Business Analyst to understand current and new business processes that for the assigned application and formulate IT solutions to improve efficiency. Build out enhanced reporting and dashboard capabilities. Perform proactive application monitoring activities including enhanced audit log tracking, conduct system upgrades and enhancements as required.

OIS/Application Support Division I is looking for a Senior Application Developer whose primary responsibilities include design, development, delivery and enhancement of Client-Server/Web-Based/Cloud-Based/Mobile Software Applications using application software development languages/environments with .NET/ASP/Visual C#.

Candidate will be responsible for the implementation and management of business aligned IT services. Ensuring the application platform is of high quality, defects free and adheres to industry standards for development, testing and deployment methodologies.

Must have experience with .NET/ASP/Visual C#, SQL Server, SQL/Procedural Language. Hands on experience with any of the following is favorable: Java, XML, HTML, JavaScript, BPEL, PHP and WebLogic.

The successful candidates will demonstrate the following knowledge, skills, characteristics, experiences and/or abilities:

Capable of design, develop and deploy applications that support users on the case and program management applications.
Provides mentorship and technical advice to a team of Application/Reports/Query developers.
Provides strategic advice to the lead, management and customers of the OIS.
Capable of implementing programming standards that support a secure and defect free application.
Interacts daily with government clients in order to meet the technical requirements for new initiatives.
Works with Quality Assurance / Quality Control teams to insure the application remains secure and defect free.
Defines and documents processes to be used by all application developers on the team.
Plans, researches, and recommends new equipment, software tools, and related technologies.
Uses monitoring and performance analysis tools to troubleshoot and isolate application performance issues.
Updates system and process documentation, produces user guides, ER diagrams, and SOPs as needed - Including Visio Network design drawings.
Other duties as assigned.

The candidate will become an integral part of the ASD Team, making every problem associated to the platform a problem of their own and will demonstrate the required initiative and critical thinking abilities necessary to resolve all problems and challenges accordingly.

Responsibilities:

1. Demonstrates expertise in conveying technical and functional concepts for a specific technical specialty.
2. Identifies improvements to project standards to achieve high quality services/products. This is a professional position which may require subject matter expertise consistent with demanding and rare technological skills.
3. May require coordination of programming activities being conducted by the application development team.
4. Confers with other business and technical personnel to resolve problems of intent, inaccuracy, or feasibility of computer processing and project design.
5. Works with necessary personnel to determine if modifications are necessary with interested personnel to determine necessity for modifications or enhancements.
6. Leverages excellent written and verbal communication skills to develop new business process and programming solutions as directed by business and technical stakeholders.
7. May coordinate activities of application developers.
8. Able to identify best practices and standards for the use of the product.
9. Proven track record of hands-on technical design and code work within large complex systems.
10. Proven hands-on technical work with a variety of technologies.
11. Demonstrated technical expertise integrating a variety of diverse technical environments and cross-platform technologies.
12. Delivers support and design for industry specific applications that require integration with statewide systems or applications.
13. Interacts with executive level business users or technical experts.
14. Advanced experience in the required technical subject matter.
15. May function as a niche technical SME (Subject Matter Expert).
16. Has proven experience across large and complex implementations and systems.

Minimum Education/Certification Requirements:
Bachelor s degree in IT or related field or equivalent experience

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