Senior Front End Developer with react 19 & Node JS
Posted 2 weeks ago by 1754976383
Negotiable
Outside
Remote
USA
Summary: The role is for a Senior Front End Developer with a strong architectural mindset, focusing on hands-on expertise in front-end technologies. The position requires extensive experience in web and UI technologies, particularly with React and NodeJS. The candidate should be proficient in modern testing frameworks and have a solid understanding of performance optimization techniques. This role is primarily remote, allowing for flexibility in work arrangements.
Key Responsibilities:
- Develop scalable frontend applications and component libraries using React and NodeJS.
- Implement frontend testing frameworks including Jest and Cypress for unit and end-to-end testing.
- Integrate web applications with various APIs and manage authentication and authorization.
- Optimize frontend performance through techniques like code splitting and lazy loading.
- Debug JavaScript and CSS across modern browsers and ensure responsive UI across devices.
- Collaborate with production support and project consultants in an onshore/offshore model.
Key Skills:
- 10+ years of experience in web and UI technologies.
- Expertise in React (including React 19 features), NodeJS, and GraphQL.
- Strong knowledge of JavaScript (ES6+), TypeScript, SCSS, CSS3, and HTML5.
- Experience with frontend testing frameworks and tools like Redux and React Router.
- Familiarity with modern frontend build tools such as Webpack and Vite.
- Understanding of web application security concerns and performance optimization techniques.
Salary (Rate): undetermined
City: undetermined
Country: USA
Working Arrangements: remote
IR35 Status: outside IR35
Seniority Level: Senior
Industry: IT
Front End Architect
2 days HYBIRD
Location - Chicago IL
Please look for a SENIOR LEVEL DEVELOPER w/ARCHITECT MINDSET type profile as that will be more prevalent
Need to be hands on EXPERT in Front End technologies.
Experience with frontend testing frameworks including Jest, React Testing Library for unit testing, and Cypress for end-to-end testing
THE ESSENTIALS FOR SUCCESS:
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)
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