UI Architect/Lead Developer

Front End Architect

SENIOR LEVEL DEVELOPER w/ARCHITECT MINDSET

Need to be hands on EXPERT in FE technologies.

Onsite Requirement/Remote (Time zone?): Hybrid 3 days every other week (6 days a month) onsite in Bolingbrook, IL relocation ok, but this is VERY Sr level so needs to make sense .

C/CTH/Perm + Duration: Contract to hire need to be able to convert without sponsorship

THE ESSENTIALS FOR SUCCESS:

• Bachelor's degree in computer science, a related field, or applicable work experience
• 10+ years of progressively complex experience on Web and UI technologies and developing successful products
• Strong expertise in NodeJS and GraphQL middleware architecture for optimized data fetching and state management
• Expert-level knowledge of React (including React 19 features) for building scalable frontend applications and component libraries
• Expert-level knowledge of raw JavaScript (ES6+), TypeScript, SCSS, CSS3, and HTML5
• Experience with React ecosystem tools including Redux, React Query, and React Router
• Expert in debugging JavaScript and CSS across modern browsers
• Built single-page web applications that perform well in modern, mobile, and legacy browsers (responsive UI)
• Experience with frontend testing frameworks including Jest, React Testing Library for unit testing, and Cypress for end-to-end testing
• Familiar with modern frontend build tools such as Webpack, Vite, or similar technologies
• Integrated web applications with various types of APIs, and are comfortable with authentication and authorization (OAuth/JWT/SAML)
• Experience with server-side rendering (SSR) and client-side rendering (CSR) architectures
• Familiar with common web application security concerns and knowledge of how to prevent and fix exploits (XSS/clickjacking)
• Experience in developing browser extensions or plugins to enable additional functionality on the browser and to integrate with native OS/platforms
• Knowledge of frontend performance optimization techniques including code splitting, lazy loading, and modern browser APIs
• Good understanding of JAVA and its usage in modern web application development
• Experience working with production support and project consultants in an onshore/offshore model
• Possess a strong work ethic; takes pride in producing a quality product
• Support off-hours production issues and code deployments as needed
• Minimal travel required (training/conferences)