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What is it like to work at System One?

System One is a professional services company that values collaboration, innovation, and a client-centric approach, fostering a dynamic and supportive work environment.

The company's team structure is designed to facilitate knowledge sharing and expertise exchange, with a flat organizational hierarchy that encourages open communication and cross-functional collaboration. System One's mission is to deliver high-quality solutions to its clients through a network of experienced professionals and cutting-edge technologies.

Working at System One may appeal to candidates who are looking for a challenging and rewarding career in a fast-paced, client-driven industry, with opportunities for professional growth and development in a collaborative and dynamic work environment.

What makes System One an attractive place to work?

System One is a leading provider of workforce solutions and staffing services, known for its expertise in delivering high-quality talent to various industries. The company's workplace is characterized by a culture of innovation, collaboration, and flexibility, offering employees opportunities to work on diverse projects and develop their skills in a dynamic environment. By joining System One, professionals can expect to contribute to the growth and success of a forward-thinking organization, with opportunities for career advancement and professional development in a rapidly evolving industry.

What other companies are hiring for Ui Architect jobs?

What are the most popular jobs at System One?

What are the most popular categories at System One?

Infographic showing various Ui Architect job openings at System One in the United States as of August 2026, with employment types broken down into 1% As Needed, 31% Full Time, 1% Temporary, 66% Contract, and 1% Nights. Highlights an 77% Physical, and 23% Remote job distribution.

UI Architect - .NET, React & Enterprise Banking Solutions

System One

Kansas City, KS • On-site

Other

Medical, Dental, Vision, Life, Retirement

Re-posted 24 days ago

Job description

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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