.NET 6+ / .NET 8 - Software Development Engineer

Min 14+ years of expOnly local needed, others do not apply. Open for Genuine H1B – C2CUSC/GC/EAD’s – W2Valid LinkedIn must =====================.NET 6+ / .NET 8 - Software Development EngineerAlpharetta GAContract Description:As a Senior Software Development Engineer, you will design and build high‑performance distributed applications within a large‑scale logging and metrics ecosystem. You’ll modernize legacy systems, integrate with mainframe and batch workflows, and develop critical software that supports compliance, interoperability, and core business operations. You will play a key role in architecture decisions, technical leadership, and guiding development best practices.Responsibilities- Architect, design, and develop a new unified platform by consolidating multiple legacy systems.- Reverse‑engineer and decompile legacy codebases where source code is unavailable.- Collaborate with internal stakeholders to define requirements, workflows, and technical solutions.- Lead technical design, solution architecture, and implementation of business initiatives.- Provide technical oversight across applications, ensuring best practices and high code quality.- Analyze complex application and business problems, evaluate processes, and recommend improvements.- Participate in planning, procedure development, backlog management, and on‑call support.Required Qualifications- 6+ years of professional software development experience.- Expertise in .NET 6+ / .NET 8, including REST and SOAP service development (Swagger/OpenAPI).- Frontend development experience with MVVM/SPA frameworks using Blazor.- Strong understanding of data exchange formats (JSON, XML, RDF).- Experience with relational and NoSQL databases and messaging/queueing systems (e.g., MongoDB, Redis, RabbitMQ).- Proven technical leadership in .NET/C#/ASP.NET application design, integration, and data‑driven architectures.