
Senior Software Systems Engineer, C#/.NET Developer
Posted Sep 11

Posted Sep 11
This is a fully remote position, open to applicants in Texas.
• Design, develop, and sustain backend services in C#/.NET/AWS that manage high-volume healthcare EDI transactions.
• Parse, validate, and convert X12 EDI documents.
• Troubleshoot intricate transaction-level issues involving payers, clearinghouses, and trading partners.
• Create, optimize, and debug SQL stored procedures, focusing on performance tuning, query analysis, and complex data transformations.
• Query, parse, and manipulate structured XML data within MSSQL.
• Write clean, testable, and well-documented code while engaging in code reviews.
• Contribute to shared platform libraries and services utilized across various product initiatives.
• Engage in technical planning, requirements definition, test planning, and execution with team members and stakeholders.
• Actively participate in daily stand-ups as a member of the software development team.
• Deploy, maintain, and ensure the application’s performance, quality, and responsiveness.
• Provide development support for solutions that are deployed in production.
• Implement long-term solutions and reusable components within an agile framework.
• Advocate for and apply software engineering best practices.
• Utilize Visual Studio and Git.
• A Bachelor's or Master's degree in computer science, electronics engineering, or a related engineering or technical field is mandatory.
• At least 8 years of experience in software development with C#/.NET technologies.
• Proven experience in managing complex software projects and leading development efforts.
• Experience in designing, developing, and deploying enterprise-level applications.
• Strong expertise in the C#/.NET ecosystem.
• Proficient in back-end application development using design and integration patterns.
• Hands-on experience with AWS (serverless, messaging, storage, databases) is preferred.
• Solid SQL skills, including the writing and optimization of stored procedures, and performance tuning in MSSQL.
• Proficient with Git and GitHub.
• Experience with MSSQL or comparable relational databases.
• Skillful in database design and development, including SQL Server and Entity Framework.
• Familiar with cloud platforms such as Microsoft Azure and AWS, along with their services.
• Understanding of CI/CD practices and tools like AWS CodePipeline, CodeBuild, and CodeDeploy.
• Knowledge of unit testing frameworks and tools such as NUnit, xUnit, and MSTest.
• Proficient in Visual Studio and Visual Studio Code.
• Excellent analytical and problem-solving abilities.
• Strong communication and interpersonal skills.
• Capable of working independently as well as collaboratively in a large team environment.
• Attention to detail and a commitment to delivering high-quality software.
• Ability to prioritize tasks and manage time effectively using JIRA.
• Familiarity with agile development methodologies such as Scrum and Kanban.
• Knowledge of DevOps practices and infrastructure as code (IaC).
• Capacity to conduct code reviews and provide constructive feedback.
• Experience with application performance tuning and optimization.
• Knowledge of microservices, event-driven architecture, and containerization technologies like Docker, ECS, and EKS is a plus.
• Experience in healthcare payer/PBM systems, clearinghouses, or pharmacy operations is advantageous.
• Must be a US Citizen with the ability to obtain and maintain a Public Trust clearance.
• 100% Remote role.
• Equal Opportunity Employer.
Qualus
General Dynamics Information Technology
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