Applications Architect B - Intermediate - 1220

Our Fortune 500 client is looking for a Senior .NET Solution Architect on their project based in Tallahassee, FL.

Job Title: Senior .NET Solution Architect

Location: Tallahassee, FL- onsite

Duration: 9+ Months

Job Description:

Duties:

• Design and document end-to-end application architectures using the Microsoft .NET ecosystem
• Define solution patterns (monolithic, modular monolith, microservices, event-driven, etc.)
• Establish architectural standards, reference architectures, and design guidelines
• Evaluate and recommend technology stacks and frameworks
• ⁠Provide technical leadership and guidance to development teams
• Review code, pull requests, and design artifacts for architectural compliance
• Ensure adherence to SOLID principles, clean architecture, and best practices
• Support CI/CD pipeline integration and deployment strategies
• ⁠Assess existing systems and recommend modernization approaches
• Guide migrations (legacy JCL/COBOL/FOCUS à .NET)
• Identify and prioritize technical debt remediation
• Support refactoring strategies without disrupting business operations
• ⁠Produce and maintain architectural diagrams and technical documentation
• Document design decisions and tradeoffs (ADRs)
• Support onboarding and mentoring of internal technical staff
• Participate in architecture reviews and governance forums
• Analyze and document existing computing assets, including technical specifications and established business rules
• Assist with debugging and troubleshooting existing processes when needed
• Diagnose and resolve issues after performing root cause analysis
• Provide guidance and assist with remediating and upgrading legacy assets
• Coordinate with business analysts, other developers, and products owners to remediate to the new state-wide accounting system
• Participate in code and design reviews to ensure quality and performance
• Perform knowledge transfer with technical staff of the office of the Comptroller
• Solution architecture diagrams and documentation
• Technology and design recommendations
• Architecture decision records (ADRs)

Required Skills :

• Candidate MUST have a minimum of 7 years of experience in multiple IT areas and 2–3 years of relevant architecture experience.
• Candidate must have advanced to expert level knowledge and understanding of architecture, applications systems design and integration, specifically .NET.

 Preferred Experience

• C# or ASP.NET Core
• Web APIs (RESTful Services)
• Entity Framework / ORM Frameworks
• .NET Framework and Modern .NET (.NET 6+)
• Microsoft Azure
• CI/CD Pipelines (Azure DevOps, GitHub actions, etc.)
• Front-End JavaScript Library (Angular, React, Vue, etc.)

 Education:

• A Bachelor’s or Master’s Degree in Computer Science, Information Systems, Data Science, Software Engineering, or other related field. Work experience can substitute on a year for year basis for a degree.

Please send your updated Word-format resume along with your best contact details to  or call me at .                               

Stellar IT Solutions is a Global IT solutions provider headquartered in Rockville, MD, with operations in the US and India. Stellar IT Solutions has over 15 years of IT and consulting experience to give cost-effective solutions to many Fortune 500 companies.