Role: ReactJS DeveloperLocation: Issaquah, WA (Hybrid 3 days in a week)Duration: Contract JOB DESCRIPTION: " Oversees the development of new, highly-responsive, web-based user interfaces, using React.js concepts and workflows, such as Redux, Server Side Rendering, Styled Components, and Storybook, using a test driven SDLC." Develops and implements front-end architecture to support user interface concepts." Adopts technical ownership of features and advancing product functionality." Meets with the development and business teams to discuss user interface ideas and applications." Advocates for and improves code quality, automated tests, CI/CD initiatives, and the developer experience." Reviews application requirements and interface designs." Performs troubleshooting for interface software and debugging application code." Monitors and improves front-end performance." Builds accessible and reusable components." Documents application changes and reviews code." Regular and reliable workplace attendance at your assigned location Requirements:" 7+ years of previous experience working as a React.js developer." Proficiency in React.js, HTML, CSS3." Working experience using Next.js" Knowledge of JavaScript and React concepts, excellent front-end coding skills, and a good understanding of progressive web applications." Proficiency with building responsive layouts using CSS and CSS-precompilation." Strong understanding of cross-browser compatibility." Ability to integrate 3rd party APIs and a strong understanding of REST and GraphQL patterns." Proficiency with state and side effect management within client side applications (Redux and Redux Sagas preferred" Knowledge in JavaScript ES6+ features such as classes, arrow functions, template literals, rest/spread operators, promises, async/await." Proficiency with client side application bundling and optimization." Strong understanding of CSS fundamentals, accessible patterns, component design and functional programming, and data structures." Strong troubleshooting and problem-solving skills; strong interpersonal, verbal, and written communication skills; strong relationship builder in cross-functional teams." Experience with browser-based debugging and performance testing software." Experience refactoring code and algorithms for improved performance and robustness." Experience working on design systems building highly composable, reusable components." Experience with code review, performance analysis, and understanding of large-scale application infrastructure and dependencies." Knowledge of unit testing frameworks, including Jest and React Testing Library." Familiarity with design patterns and microservices-based architecture patterns." Experience with MUI v5 components." Experience working with Storybook.js and Chromatic." Experience with Gatsby.js." Excellent verbal and written communication skills.