Senior React JS Developer : Contract rolengineer

7+ years of professional experience in front-end development, with at least 4 years in React.js.

Strong proficiency in JavaScript (ES6+) and modern React concepts.

Experience with Redux (Thunk / Saga) and React Context API.

Solid understanding of React Fiber architecture and virtual DOM reconciliation.

Hands-on experience with Next.js for SSR / SSG.

Proficiency in building custom hooks and HOCs.

Strong understanding of performance optimization in React applications.

Experience with Axios (interceptors, error handling) and Fetch API.

Knowledge of lazy loading and React.Suspense.

Familiarity with browser storage (localStorage, sessionStorage) and secure handling of tokens.

Understanding of responsive design principles and CSS media queries.

Experience with Azure DevOps pipelines and YAML configurations.

Basic knowledge of real-time communication tools like SignalR or WebSockets.

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Skills Required

React Context API, SignalR, react.js