Senior C# .NET Developer

A leading technology integrator providing full life cycle services and solutions in the technical, engineering, intelligence, and enterprise information technology markets is seeking a highly motivated and customer-oriented engineer.The Role Design, build, and maintain C#/.NET/AWS backend services for high-volume healthcare EDI transactions. Parse, validate, and transform X12 EDI documents. Debug complex transaction-level issues across various partners. Optimize and troubleshoot SQL stored procedures, including performance tuning and complex data transformations. Write clean, testable, well-documented code and actively participate in code reviews. Contribute to shared platform libraries and services across multiple product initiatives.What You'll Need Bachelor's or Master's degree in Computer Science or a related engineering discipline. Minimum of 8 years of experience in software development using C#/.NET technologies. Proven track record on complex software projects and leading development initiatives. Strong proficiency in the C#/.NET ecosystem and developing back-end applications. Hands-on AWS experience (serverless, messaging, storage, databases) preferred. Strong SQL skills, including writing and optimizing stored procedures and performance tuning.What's On Offer Opportunity to make a direct impact on how VA healthcare data flows through a critical platform. Work in a 100% remote capacity. Engage in an agile framework for continuous improvement and reusability. Comprehensive benefits package and a collaborative work environment.Apply via Haystack today!