Software Solutions Architect

Application ArchitectThis position is responsible for the design, development, and implementation of scalable, secure, and modern software applications for the Department of Treasury. In addition to delivering new solutions, the role includes maintaining and enhancing existing IT applications. The Application Architect will provide technical leadership and hands-on expertise to development teams, with a focus on usability, security, mobility, maintainability, and code reuse. This full stack role blends architecture, leadership, and development responsibilities. The ideal candidate will work independently with minimal supervision and collaborate closely with departmental program managers, DTMB project teams, and technology oversight groups.Key ResponsibilitiesDesign, develop, and maintain scalable application architectures using.NET and modern JavaScript frameworks (primarily React).Provide technical leadership and mentorship to development teams across the full software development lifecycle.Architect and implement microservices-based solutions with RESTful APIs and asynchronous communication patterns.Collaborate with UX/UI designers and product owners to apply Human-Centered Design principles to software design.Ensure adherence to WCAG 2.1 and ADA compliance guidelines for all user-facing applications.Optimize applications for maximum performance, security, and scalability.Participate in code reviews and guide best practices in clean, testable, and maintainable code.Integrate with SQL Server and other relational and NoSQL databases.Drive DevSecOps adoption for faster and more reliable delivery.Stay current with emerging technologies and propose innovative solutions that align with business goals.Required QualificationsBachelor’s or higher degree in computer science, Software Engineering, or related field.8+ years of professional experience in software development.Experience as a hands-on Application Architect or Technical Lead.Expertise in.NET Core /.NET, C#, ASP.NET MVC/Web API.Proficient in React, TypeScript, and JavaScript.Strong experience with SQL Server, writing complex queries, stored procedures, and performance tuning.Experience in RESTful APIs and modern authentication protocols (OAuth2, OpenID Connect).Experience with accessibility standards (ADA, WCAG 2.1) and inclusive design.Experience in Unit Testing, Integration and Test Automation using ADO.Working knowledge of Agile/Scrum methodologies and Azure DevOps.Strong communication skills and ability to work cross-functionally with stakeholders.Desired QualificationsExperience in TDD and/or Test Automation using ADO, TestComplete or similar.Solid understanding of microservices architecture and related patterns (e.g., service discovery, API gateway, message queues).Experience or Knowledge of containerization technologies (Docker, Kubernetes).