Senior React Developer
Centennial , Colorado
Experience: 0
Category: Information Technology
Contractor Work Model: Onsite
Brand: System One
Compensation Range: 170.00 Per Hour
Job ID: 347921
Date Posted: 03/18/2026
Shortcut: http://jobs.systemone.com/XPfgmA
Tittle: Senior React Developer
Location : Centennial, Colorado
Mode : Hybrid (3days in office – 2 days remote)
Duration : Contract to Hire
Years Of Exp Required : 12+ Years
This is a hands-on consulting role focused on designing and delivering high-quality, scalable, and performant front-end solutions using React and TypeScript.
The ideal candidate brings deep front-end engineering expertise, strong architectural instincts, and the
ability to collaborate closely with UX, backend engineering, and cross-functional stakeholders to deliver enterprise-grade digital applications.
Roles/Responsibilities:
- Design and implement modular, high-quality front-end features using React and TypeScript
- Establish and maintain scalable front-end architecture supporting long-term maintainability and growth
- Develop reusable Node.js modules and shared libraries to drive cross-project consistency
- Build intuitive, accessible user interfaces leveraging 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 Jest, Cypress, React Testing Library, or similar tools
- Optimize build performance and bundle efficiency through modern tooling such as Webpack and related technologies
- 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 challenges
- Contribute to technical design discussions, conduct code reviews, and mentor junior developers
- Stay current with evolving front-end trends, frameworks, and best practices
Must Have Technical Skills:
- 10+ years of front-end engineering experience, including significant production experience with React
- Deep proficiency in TypeScript with strong understanding of scalable typing patterns and coding standards
- 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 tools
- 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 release management practices for front-end deployments
- Strong analytical and troubleshooting skills in complex client-side environments
- Effective communication skills and ability to collaborate across product, design, backend engineering and business teams
- Experience with AEM Cloud and SPA Editor
- Familiarity with server-side rendering frameworks such as Next.js
- Experience working within micro-frontend or modular front-end architectures
- Knowledge of accessibility standards (WCAG) and advanced front-end performance optimization techniques
- Prior consulting or client-facing experience
Required Skills:
- Angular
- Front End Development
- Front-end Architecture
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