Senior React Developer/Architect

About the role

The Senior React Developer / Architect position is available in the Denver, CO (Centennial) area to support a client-facing digital initiative. This role is based at the client site and requires onsite presence Tuesday through Thursday each week.

Responsibilities

• Design and implement modular, high-quality front-end features using React and TypeScript
• Define and maintain scalable front-end architecture to support long-term maintainability and growth
• Build intuitive, accessible user interfaces using Material UI or comparable design systems
• Integrate applications with RESTful and/or GraphQL APIs, optimizing data access and state management
• Implement comprehensive UI testing strategies using tools such as Jest, Cypress, and React Testing Library
• Optimize build performance and bundle efficiency using modern tooling (e.g., Webpack)
• Ensure solutions meet enterprise standards for performance, accessibility, and security
• Partner with backend engineers to define API contracts and improve data-fetching strategies
• Troubleshoot complex UI, caching, and state management issues
• Contribute to technical design discussions, conduct code reviews, and mentor junior developers
• Stay current with emerging front-end trends, frameworks, and best practices

Requirements

• 10+ years of front-end engineering experience, including significant production experience with React
• Deep proficiency in TypeScript, with a strong understanding of scalable typing patterns and coding standards
• Professional experience with Express.js and Next.js
• Experience with AEM or Sitecore
• Experience implementing enterprise UI design systems such as Material UI or similar frameworks
• Working knowledge of Node.js, including development of shared packages or internal libraries
• Hands-on experience implementing automated front-end testing strategies
• Strong understanding of modern build tooling, module bundling, tree shaking, and performance optimization techniques
• Experience with state management libraries such as Redux, Zustand, Recoil, or similar
• Proven ability to improve application performance through lazy loading, code splitting, and bundle optimization
• Experience integrating RESTful services and/or GraphQL APIs with efficient data handling strategies
• Familiarity with CI/CD pipelines and front-end release management practices
• Strong analytical and troubleshooting skills in complex client-side environments
• Excellent communication skills and ability to collaborate across product, design, engineering, and business teams

Qualifications

• To Be Successful In This Role
• What you'll bring
• 10+ years of front-end engineering experience, including significant production experience with React
• Deep proficiency in TypeScript, with a strong understanding of scalable typing patterns and coding standards
• Professional experience with Express.js and Next.js
• Experience with AEM or Sitecore
• Experience implementing enterprise UI design systems such as Material UI or similar frameworks
• Working knowledge of Node.js, including development of shared packages or internal libraries
• Hands-on experience implementing automated front-end testing strategies
• Strong understanding of modern build tooling, module bundling, tree shaking, and performance optimization techniques
• Experience with state management libraries such as Redux, Zustand, Recoil, or similar
• Proven ability to improve application performance through lazy loading, code splitting, and bundle optimization
• Experience integrating RESTful services and/or GraphQL APIs with efficient data handling strategies
• Familiarity with CI/CD pipelines and front-end release management practices
• Strong analytical and troubleshooting skills in complex client-side environments
• Excellent communication skills and ability to collaborate across product, design, engineering, and business teams

Skills

• Deep proficiency in TypeScript, with a strong understanding of scalable typing patterns and coding standards
• Professional experience with Express.js and Next.js
• Experience with AEM or Sitecore
• Experience implementing enterprise UI design systems such as Material UI or similar frameworks
• Working knowledge of Node.js, including development of shared packages or internal libraries
• Hands-on experience implementing automated front-end testing strategies
• Strong understanding of modern build tooling, module bundling, tree shaking, and performance optimization techniques
• Experience with state management libraries such as Redux, Zustand, Recoil, or similar
• Proven ability to improve application performance through lazy loading, code splitting, and bundle optimization
• Experience integrating RESTful services and/or GraphQL APIs with efficient data handling strategies
• Familiarity with CI/CD pipelines and front-end release management practices
• Strong analytical and troubleshooting skills in complex client-side environments
• Excellent communication skills and ability to collaborate across product, design, engineering, and business teams

Benefits

CGI provides a competitive compensation package and a range of benefits including:

• 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

Pay

$98,500.00 - $172,400.00

Schedule

Based at the client site (Centennial, CO) and requires onsite presence Tuesday through Thursday each week.