Senior .NET Solutions Architect

TECKpert•Tallahassee, FL

8d•$166,000 - $166,400•Onsite

About The Position

TECKpert is seeking a Senior .NET Solutions Architect to support their client, a state government agency in Tallahassee, FL, on the modernization of its financial systems. This role serves as the primary technical architect for an internal automation platform used by the agency's comptroller office, and provides architectural and development leadership across related financial initiatives tied to a statewide accounting system replacement. The architect will improve code quality, remediate security vulnerabilities, strengthen the agency's .NET infrastructure, and guide development teams hands on. Work includes reviewing remediated code with SonarQube, replacing legacy AngularJS and Kendo UI components, guiding legacy mainframe to .NET migrations, and partnering with business analysts to perform fit-gap analysis of existing applications against the new statewide financial business process model.

Requirements

7 or more years of experience across multiple IT areas
2 to 3 years of relevant application architecture experience
Advanced to expert knowledge of architecture, application systems design, and integration, specifically in .NET
C# and ASP.NET Core
RESTful Web API design and integration patterns
Entity Framework or other ORM frameworks
SQL Server and relational database design, data access optimization, and performance tuning
Clean Architecture, Domain-Driven Design, and event-driven architectures
Logging, monitoring, observability, reliability, and fault tolerance
Ability to document technical requirements and bridge technical and business language
Ability to work onsite 5 days per week in Tallahassee, FL

Nice To Haves

.NET Framework and modern .NET (.NET 6 or later)
Microsoft Azure, including App Insights, Key Vault, and Blob Storage
CI/CD pipelines with Azure DevOps or GitHub Actions
Front-end JavaScript frameworks (Angular, React, or Vue), including AngularJS and Kendo UI modernization
SonarQube or similar static code analysis tools
Legacy JCL, COBOL, or FOCUS to .NET migration experience
Financial systems or ERP experience, ideally state or public sector accounting
Scrum framework experience
Bachelor's or Master's degree in Computer Science, Information Systems, Software Engineering, or related field (experience may substitute year for year)

Responsibilities

Design and document end-to-end application architectures using the Microsoft .NET ecosystem
Define solution patterns (monolithic, modular monolith, microservices, event-driven) and establish architectural standards, reference architectures, and design guidelines
Evaluate and recommend technology stacks and frameworks
Provide technical leadership to development teams and review code, pull requests, and design artifacts for architectural compliance
Ensure adherence to SOLID principles, clean architecture, and best practices, and support CI/CD pipeline integration and deployment strategies
Use SonarQube code scanning to improve code quality, security, maintainability, and release readiness
Modernize legacy UI components, including AngularJS and Kendo UI implementations
Assess existing systems, guide migrations from legacy JCL, COBOL, and FOCUS to .NET, and prioritize technical debt remediation
Analyze and document existing computing assets, technical specifications, and business rules, and perform root cause analysis on production issues
Produce architecture diagrams, technical documentation, and architecture decision records (ADRs), and perform knowledge transfer with internal technical staff