Senior Software Engineer – (C#/.NET & SQL -Required)(US CITIZENSHIP REQUIRED)

Senior Software Engineer focused on back-end services using C#/.NET and SQL Server, contributing to APIs, services, and data-intensive solutions within internal and client-facing greenfield projects in a hybrid Williamsburg, VA environment.

Responsibilities

• Collaborate with cross-functional teams to understand business goals, user needs, and product direction
• Attend Agile and Scrum ceremonies, delivering incrementally and aiming for continuous improvement
• Explain tradeoffs in technical discussions and align implementation with desired outcomes
• Design, build, and maintain backend services and APIs using the Microsoft .NET stack (ASP.NET Core, C#) with emphasis on reliability, security, and performance
• Design relational database schemas and implement performant MS SQL Server queries and data access patterns
• Adhere to clean coding standards, secure coding practices, and SOLID design principles
• Develop modern web UI components as needed with React, Vite, Next.js, or similar
• Coordinate backend and frontend concerns (auth flows, API contracts, error handling, UX impact) while focusing on backend delivery
• Contribute to solution design using patterns like microservices, domain-driven design, event-driven architectures, and RESTful services under senior guidance
• Participate in design reviews to ensure maintainability and alignment with team standards
• Integrate with Identity and Access Management providers (Entra ID, Auth0)
• Connect applications to enterprise systems such as LMS, EAM, and HCM
• Write and maintain unit, integration, and end-to-end tests to reduce regression risk
• Develop POCs to evaluate new tools and frameworks when appropriate
• Build with operational readiness in mind, including observability, resilience, and secure-by-default practices
• Use Docker to streamline and standardize deployments
• Apply infrastructure-as-code patterns (Bicep) to provision Azure resources like App Services, Azure SQL, Storage, Functions, and Key Vaults
• Leverage message brokers such as Azure Service Bus or RabbitMQ for event-driven workflows
• Follow Git branching strategies suited to the project
• Contribute to CI/CD pipelines in Azure DevOps with quality gates (linting, static analysis, build/test automation)
• Utilize modern AI tools responsibly to accelerate development tasks while preserving quality and security
• Keep informed about AI developments that can improve engineering workflows

Requirements

• Bachelor’s or Master’s degree in a related field
• 7+ years of professional software engineering experience with C# and modern cross-platform .NET
• Strong analytical skills, problem-solving ability, attention to detail, and clear written and oral communication
• Experience building and supporting back-end services (APIs) with data access and relational databases using MS SQL Server
• Working knowledge of modern front-end web development (e.g., React/Vite/Next.js or similar) to contribute when needed
• Experience using AI tools thoughtfully within the software development lifecycle to boost productivity while maintaining quality and security

Technologies

• C#, .NET, ASP.NET Core
• MS SQL Server
• React, Vite, Next.js
• Docker
• Bicep
• Azure App Services, Azure SQL Database, Azure Storage, Azure Functions, Azure Key Vault
• Azure Service Bus, RabbitMQ
• Entra ID, Auth0
• Git, Azure DevOps
• Unity, NoSQL databases, Github Copilot, Claude Code, Cursor

Benefits

• 401(k) with 3% Safe Harbor Contribution
• Health, Dental, Vision, and Telehealth
• Short and long term disability and life insurance, 100% employer paid
• Pet Insurance
• Ten holidays, four weeks paid time off, and four weeks paid parental leave

Experience

• Azure: 5 years required
• .NET: 5 years required

Education

• Bachelor's degree required

Location and Work Arrangement

• Commuting to Williamsburg, VA 23185 required
• Work location: In person
• Job location: Williamsburg, VA 23185; must be within daily commutable distance; hybrid work after training at manager's discretion

Travel

• Occasional travel, approximately 0–3 trips per year

Application

• To apply, visit indexarsolutions.com

citizenship eligibility

• This job requires United States citizenship; are you able to meet this requirement?