Job description

Overview Senior .Net Engineer Job ID 2025-28221 Category: .NET Location: US-VA-McLean DMI, LLC is seeking a full time Senior .NET Engineer to support a Federal Government customer in the DC metro area. This Senior .NET Engineer will provide support for an enterprise web-based system. Responsibilities Build high-quality, scalable, and predictable end-to-end web applications on the Microsoft technology stack and maintain them. Ability to develop fluently using ASP.NET, .Net Core, C#, Web API, MVC, MVP, SQL Server, jQuery, JavaScript, JSON, and Entity Framework. Experience using TFS, Visual Studio IDE, and GIT repository. Experience in Product Life Cycle Management, and agile methodologies: Scrum, Kanban, etc. Collaborate with internal teams to produce software design and architecture. Work with the Architecture team to design and implement cloud IaaS, SaaS, and PaaS solutions. Worked in hybrid server environments (on-prem & cloud). Experience in deploying and managing storage, VMs, virtual networks, and identities. Develop documentation throughout the software development life cycle (SDLC). Experience in resolving application performance issues by analyzing the root cause, impact analysis, and applying unit-tested code fixes. Make regular modifications to existing software for error correction, adaptation to new software, and to improve overall function and performance. Improve web application design by employing the industrys most relevant best practices and SOLID design principles. Qualifications Education and Years of Experience: At least Eight (8) years of relevant experience Bachelor's degree from an accredited college or university with a major in Computer Science, Information Systems, Cybersecurity, or related discipline. Required Skills/Certifications: Hands-on experience with .NET Core 2.0, ASP.NET Core APIs, C#, MVP, MVC Good understanding of Cloud Native and Microservices fundamentals. Knowledge and understanding of the Microsoft Azure stack including (at a minimum) PaaS, IaaS, Storage, SQL, NSGs, VNETs, Availability Zones, Azure Traffic Manager, and Azure Active Directory. 3+ years of extensive experience with the ASP.NET framework, ASP.NET Core, and design / architectural patterns (e.g., MVC). JavaScript frameworks (i.e. AngularJS) A demonstrated understanding of Service-Oriented Architectures (SOA) including RESTful Service frameworks (Web API). Advanced problem-solving and troubleshooting skills. Operations support experience required. Experience in MS SQL Server database development Experience designing and implementing web services. Experience with AngularJS, Bootstrap, HTML5, and CSS. Microsoft certifications in MVC .Net and Azure preferred. Thinks independently and demonstrates exceptional written and oral communications skills. Additional Requirement(s): Minimum 3 years in US Ability to meet government security screening requirements are required for this role. Min. Citizenship Status Required: US Citizen/GC/EAD Location: Local DMVS area only - Hybrid (1-2 days in McLean office) •

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