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

SAIC 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 cloud native systems on AWS.

This is a hands-on engineering role with direct impact on how VA healthcare data flows through our platform.

This is a 100% Remote role.

• Design, build, and maintain C#/.NET/AWS backend services handling high-volume healthcare EDI transactions (837, 835, etc.)
• Parse, validate, and transform X12 EDI documents
• Debug complex transaction-level issues across payers, clearinghouses, and trading partners
• Write, optimize, and troubleshoot SQL stored procedures including performance tuning, query analysis, and complex data transformations
• Work with XML object store data: query, parse, and manipulate structured XML within MSSQL
• Write clean, testable, well-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 basis
• Serve as an active member of the software development team participating in daily stand-ups
• Deploy, support and ensure the performance, quality, and responsiveness of application
• Provide development support, as needed, for solutions deployed to production
• Implement long term solutions and building blocks within the agile framework for improved reusability
• Apply and promote best software engineering practices
• Use Integrated Development Environment (IDE) tools to include Visual Studio and Git