Senior React Developer

Centennial , Colorado

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Type: Contract-to-Hire

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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