Develop and maintain C#/.NET backend services and AWS cloud-native systems processing high-volume healthcare EDI transactions. Responsibilities include parsing X12 documents, developing APIs, optimizing MSSQL stored procedures and XML data operations, supporting production applications, conducting code reviews, and contributing to agile planning, testing, CI/CD, and reusable platform services. The role also requires troubleshooting complex transaction issues and collaborating with healthcare payers, clearinghouses, and trading partners.
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.
Job Description:
- 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
Education:
- Bachelor's or Master's degree in computer science, electronics engineering or other engineering or technical discipline is required
Experience:
- Minimum of 8 years of experience in software development using C#/.NET technologies
- Proven track record of working on complex software projects and leading development initiatives
- Experience with designing, developing, and deploying enterprise-level applications
Requirements:
- Strong proficiency in C#/.NET ecosystem
- Proficiency in developing back-end applications using design and integration patterns
- Hands-on AWS experience (serverless, messaging, storage, databases) preferred
- Strong SQL skills: writing and optimizing stored procedures, troubleshooting execution plans, performance tuning in MSSQL
- Proficient with Git and GitHub
- Experience with MSSQL or similar relational databases
- Proficiency in database design and development, including working with SQL Server and Entity Framework
- Familiarity with cloud platforms (e.g., Microsoft Azure, AWS) and services
- Understanding of continuous integration/continuous deployment (CI/CD) practices and tools (e.g., AWS CodePipeline, CodeBuild, CodeDeploy)
- Knowledge of unit testing frameworks and tools (e.g., NUnit, xUnit, MSTest). - Proficiency in using development tools like Visual Studio and Visual Studio Code
- Excellent problem-solving and analytical skills
- Strong communication and interpersonal abilities
- Ability to work independently and as part of a large team
- Attention to detail and commitment to producing high-quality software
- Ability to prioritize tasks and manage time effectively using JIRA
- Experience with agile development methodologies (e.g., Scrum, Kanban)
- Familiarity with DevOps practices and infrastructure as code (IaC)
- Ability to conduct code reviews and provide constructive feedback
- Experience with performance tuning and optimization of applications
- Knowledge of microservices and event-driven architecture and containerization technologies (e.g., Docker, ECS, EKS) is a plus
- Experience with healthcare payer/PBM systems, clearinghouses, or pharmacy operations is a plus
Clearance Requirement:
- US Citizenship with the ability to obtain and maintain a Public Trust clearance
We are approximately 23,000 strong; driven by mission, united by purpose, and inspired by opportunities. SAIC is an Equal Opportunity Employer. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.3 billion. For more information, visit saic.com. For ongoing news, please visit our newsroom.
Similar Jobs
Security
Develop and maintain C#/.NET and AWS backend services processing high-volume healthcare EDI transactions. Parse and transform X12 documents, optimize SQL Server stored procedures, manipulate XML data, and troubleshoot complex transaction issues. Design enterprise applications, contribute to shared services, participate in agile development and code reviews, deploy and support production systems, and apply testing, CI/CD, DevOps, and cloud-native engineering practices.
Top Skills:
.NetAmazon EcsAmazon EksAWSAws CodebuildAws CodedeployAws CodepipelineC#Ci/CdDevOpsDockerEntity FrameworkEvent-Driven ArchitectureGitGitInfrastructure As CodeJIRAMicroservicesMicrosoft Sql ServerMstestNunitSQLVisual StudioVisual Studio CodeX12 EdiXMLXunit
Machine Learning • Payments • Security • Software • Financial Services
Provides enterprise technology support through phone, ticketing, and potentially chat channels. Troubleshoots hardware, software, network, access, and application issues; manages incidents and escalations; documents resolutions in ServiceNow or similar ITSM tools; analyzes trends and operations data; supports knowledge management, training, process improvement, and automation; and coaches junior analysts while maintaining customer service, security, and confidentiality standards.
Top Skills:
Call Center TechnologiesHardware InfrastructureItsmNetworkingServicenow
Artificial Intelligence • Cloud • Information Technology • Sales • Security • Software • Cybersecurity
Leads strategy, roadmap, and execution for Rapid7’s SIEM and threat detection products. Translates customer, market, and competitive insights into prioritized capabilities for data ingestion, detection, search, and reporting. Aligns global engineering, detection science, SOC operations, marketing, sales, and customer success teams while driving delivery excellence, data-backed decisions, and improvements to the MDR customer experience.
Top Skills:
B2B SaasCloud EnvironmentsLog ManagementManaged Detection And Response (Mdr)SIEMSoc PlatformsThreat Detection
What you need to know about the Seattle Tech Scene
Home to tech titans like Microsoft and Amazon, Seattle punches far above its weight in innovation. But its surrounding mountains, sprinkled with world-famous hiking trails and climbing routes, make the city a destination for outdoorsy types as well. Established as a logging town before shifting to shipbuilding and logistics, the Emerald City is now known for its contributions to aerospace, software, biotech and cloud computing. And its status as a thriving tech ecosystem is attracting out-of-town companies looking to establish new tech and engineering hubs.
Key Facts About Seattle Tech
- Number of Tech Workers: 287,000; 13% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: Amazon, Microsoft, Meta, Google
- Key Industries: Artificial intelligence, cloud computing, software, biotechnology, game development
- Funding Landscape: $3.1 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Madrona, Fuse, Tola, Maveron
- Research Centers and Universities: University of Washington, Seattle University, Seattle Pacific University, Allen Institute for Brain Science, Bill & Melinda Gates Foundation, Seattle Children’s Research Institute
