Application Architect
*This is an on-site position, candidates local to Harrisburg, PA only, please
Description:
- Our client seeks an Application Architect with deep .NET and SQL Server expertise to design and modernize client-side applications and provide enterprise solution architecture across Microsoft and Java-based platforms ensuring secure scalable maintainable and reusable application solutions.
- This role leads the adoption of AI-augmented development: advanced GitHub Copilot usage across teams while accelerating delivery while upholding security WCAG accessibility and regulatory compliance.
Responsibilities
- Architect secure scalable .NET, C#/ASP.NET Core applications and SQL Server solutions using clean architecture DDD and performance optimization patterns.
- Develop enterprise solution architectures that span multiple applications services APIs databases and integration platforms while ensuring long-term maintainability and scalability.
- Design data models advanced T-SQL stored procedures indexing partitioning Query Store tuning and HA/DR strategies for high-volume transactional systems.
- Define integration strategies for enterprise systems including REST APIs messaging authentication and data exchange between Microsoft IBM and third-party platforms.
- Drive adoption of GitHub Copilot for .NET development including custom instructions prompt engineering and AI-assisted refactoring and automated code reviews documentation and testing.
- Produce architecture diagrams and technical specs lead design reviews mentor teams on .NET patterns and Copilot best practices.
- Establish architecture standards coding standards reusable design patterns and technical best practices across development teams.
- Ensure solutions meet Commonwealth IT security policies WCAG 2.2 accessibility PII protection and zero-trust principles in a regulated utility environment.
- Lead the application modernization technical design efforts to migrate legacy applications into cloud native applications.
- Develop modernization roadmaps evaluate technical debt and recommend phased migration strategies.
- Design and implement modern software delivery practices including source control strategies branching models CI/CD pipelines automated deployments environment management and DevSecOps practices.
- Evaluate emerging technologies frameworks and commercial software products to provide recommendations aligned with the client’s long-term technology strategy.
- Provide technical leadership during project planning estimation POCs and architecture review sessions.
Required Skills/Knowledge/Experience:
- Software engineering, Required 8 Years
- Application/Solution Architect on enterprise .NET and SQL Server projects in complex environments., Required 4 Years
- Expert-level C#, ASP.NET Core, Entity Framework Core, Web API, and modern .NET practices (clean architecture, minimal APIs, DI, async/await patter, Required
- Advanced SQL Server: complex T-SQL optimization, execution plans, indexing strategies, security (RLS, DDM), and Always On availability groups., Required
- Daily professional experience with GitHub Copilot for .NET/C# development, including advanced configuration and team enablement., Required
- Proven hands-on experience converted data from legacy systems to modernization application data models., Required
- Strong secure SDLC, Entra ID/managed identities, API security, and enterprise governance experience; excellent communication and stakeholder skills., Required
- Public sector, utilities, or regulated industry experience with strict compliance and accessibility mandates., Required
- Familiarity with legacy modernization, IBM FileNet/BAW; Microsoft Azure Solutions Architect Expert or equivalent certifications, Required
- Bachelor’s in Computer Science, Information Systems, or equivalent, Required
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