UI Architect – .NET, React & Enterprise Banking Solutions

Job Title: UI Architect – .NET, React & Enterprise Banking Solutions
Location: Kansas City, Missouri

Responsibilities

• Lead the architecture, design, development, and modernization of a large-scale SaaS platform built on .NET Core microservices with MS SQL Server backend.
• Define and own the front-end architecture strategy for a multi-tenant SaaS platform, ensuring scalability, maintainability, and high performance using ReactJS or Angular.
• Establish architecture standards, development frameworks, reusable component libraries, and UI governance practices.
• Drive modernization initiatives and continuous improvements across the application landscape.
• Collaborate closely with business stakeholders to deliver secure, scalable, and user-centric web applications.
• Actively participate in coding, code reviews, troubleshooting, and performance optimization.
• Develop complex UI modules, reusable components, and shared frameworks.
• Build responsive, accessible web applications with best practices for state management, API integration, security, testing, and deployment.
• Lead and mentor UI developers and senior engineers.
• Communicate effectively with Product Owners, Business Analysts, UX Designers, Architects, and Engineering Leaders.
• Facilitate architecture discussions, technical workshops, and solution reviews.

Requirements

• Bachelor's or Master's degree in Computer Science, Engineering, or related field.
• 10 years of software development experience with at least 5 years in UI architecture and technical leadership roles.
• Expert proficiency in ReactJS (preferred) or Angular, TypeScript, JavaScript (ES6 ), HTML5, CSS3 / SCSS.
• Experience building enterprise-scale SaaS applications.
• Hands-on experience integrating with RESTful APIs and microservices architectures.
• Strong understanding of .NET Core application ecosystems and backend integration patterns.
• Experience working with MS SQL Server-based enterprise platforms.
• Demonstrated ability to design and implement scalable front-end architectures.
• Strong knowledge of software design patterns and enterprise application development.

System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. We help clients get work done more efficiently and economically, without compromising quality. System One not only serves as a valued partner for our clients, but we offer eligible employees health and welfare benefits coverage options including medical, dental, vision, spending accounts, life insurance, voluntary plans, as well as participation in a 401(k) plan.

System One is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, age, national origin, disability, family care or medical leave status, genetic information, veteran status, marital status, or any other characteristic protected by applicable federal, state, or local law.

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