UI Architect - .NET, React & Enterprise Banking Solutions

This role is office based at our client site in Kansas City, KS.

For this role on this particular client engagement, employer sponsorship of immigration related visa and/or green card status as part of the PERM process will not be available., Define and own the front-end architecture strategy for a multi-tenant SaaS platform.

. Design scalable, maintainable, and high-performance UI solutions using ReactJS (preferred) or Angular.

. Establish architecture standards, development frameworks, reusable component libraries, and UI governance practices.

. Drive modernization initiatives and continuous improvements across the application landscape.

. Ensure architectural alignment with .NET Core backend services and enterprise integration patterns.

. Lead technical design reviews and provide architectural guidance across multiple product teams.

Hands-On Development

. Actively participate in coding, code reviews, troubleshooting, and performance optimization.

. Develop complex UI modules, reusable components, and shared frameworks.

. Build responsive, accessible, and user-centric web applications.

. Implement best practices for state management, API integration, security, testing, and deployment.

. Resolve complex technical challenges and provide innovative solutions.

Leadership & Stakeholder Management

. Lead and mentor UI developers and senior engineers.

. Collaborate with Product Owners, Business Analysts, UX Designers, Architects, and Engineering Leaders.

. Communicate technical concepts effectively to both technical and non-technical stakeholders.

. Facilitate architecture discussions, technical workshops, and solution reviews.

. Drive consensus among teams while balancing business priorities and technical considerations.

We are seeking a highly skilled and hands-on UI Architect with deep expertise in ReactJS (preferred) or Angular to lead the architecture, design, development, and modernization of a large-scale SaaS platform. The platform is built on .NET Core microservices with an MS SQL Server backend.

This role requires a strong technical leader who can balance strategic architecture responsibilities with hands-on development. The ideal candidate will be responsible for defining front-end architecture, driving engineering best practices, mentoring development teams, and collaborating closely with business stakeholders to deliver scalable, secure, and high-performing user experiences.

The successful candidate must possess the ability to navigate complex enterprise applications, understand business challenges, and translate them into robust technical solutions while remaining actively involved in coding and implementation. Experience in banking / financial domain especially in commercial real estate is highly preferred., 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-level proficiency in: ReactJS (preferred) or Angular TypeScript JavaScript (ES6+) HTML5 CSS3 / SCSS

. Strong 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 understanding of software design patterns, architectural principles, and enterprise application development., * English

• Microservices
• React JavaScript
• .NET
• Microsoft SQL Server
• Prompt Engineering

CGI is required by law in some jurisdictions to include a reasonable estimate of the compensation range for this role. The determination of this range includes various factors not limited to skill set, level, experience, relevant training, and licensure and certifications. To support the ability to reward for merit-based performance, CGI typically does not hire individuals at or near the top of the range for their role. Compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range for this role in the U.S. is $89,600.00 - $198,400.00.

CGI's benefits are offered to eligible professionals on their first day of employment to include:

. Competitive compensation

. Comprehensive insurance options

. Matching contributions through the 401(k) plan and the share purchase plan

. Paid time off for vacation, holidays, and sick time

. Paid parental leave

. Learning opportunities and tuition assistance

. Wellness and Well-being programs

Life at CGI is rooted in ownership, teamwork, respect and belonging. Here, you'll reach your full potential because… You are invited to be an owner from day 1 as we work together to bring our Dream to life. That's why we call ourselves CGI Partners rather than employees. We benefit from our collective success and actively shape our company's strategy and direction. Your work creates value. You'll develop innovative solutions and build relationships with teammates and clients while accessing global capabilities to scale your ideas, embrace new opportunities, and benefit from expansive industry and technology expertise. You'll shape your career by joining a company built to grow and last. You'll be supported by leaders who care about your health and well-being and provide you with opportunities to deepen your skills and broaden your horizons. Come join our team-one of the largest IT and business consulting services firms in the world.