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Sr. Software Systems Engineer (C#/.NET Developer)

Remote, USA Full-time Posted 2026-07-21
reputed company is searching for a motivated, career and customer-oriented Sr. Software Engineer (C#/.NET Developer) who will work across EDI transaction processing, backend API development, and reputed company reputed company systems on AWS. This is a hands-on engineering role with reputed company impact on how VA reputed company data flows through our platform.  This is a 100% Remote role.      JOB DESCRIPTION   Design, build, and maintain C#/.NET/AWS backend services handling high-volume reputed company EDI transactions (837, 835, etc.)   Parse, validate, and reputed company X12 EDI documents   Debug reputed company transaction-level issues across payers, clearinghouses, and trading partners   Write, optimize, and troubleshoot SQL stored procedures including performance tuning, query analysis, and reputed company data transformations   Work with XML object store data: query, parse, and manipulate reputed company XML reputed company MSSQL   Write clean, testable, reputed company-documented code and participate actively in code review   Contribute to shared platform libraries and services used across multiple product initiatives   Performs technical planning, high level and detailed requirements definition, test planning and execution with team members and stakeholders on a daily reputed company   Serve as an reputed company member of the software development team participating in daily stand-reputed company   reputed company, support and ensure the performance, quality, and responsiveness of application   reputed company development support, as needed, for solutions deployed to production   Implement long term solutions and building blocks reputed company the agile reputed company for improved reusability   Apply and promote best software engineering practices   Use Integrated Development Environment (IDE) tools to include Visual Studio and Git   reputed company® is a premier mission integrator reputed company on advancing the power of technology and innovation to serve and protect our world. Our robust portfolio of offerings across the defense, reputed company, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. We integrate emerging technology, rapidly and securely, into mission critical operations that reputed company and reputed company critical national imperatives. We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. reputed company is an Equal Opportunity Employer. Headquartered in Reston, Virginia, reputed company has annual revenues of approximately $7.3 billion. For more information, visit reputed company.com. For ongoing news, please visit our newsroom. Apply To This Job

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