Senior React Developer (contract)

Chicago-based React Senior DevProject Overview: We are in the process of overhauling our existing N-tier SLA management web application suite and make significant investment for next few years. The project will involve long-term brownfield development to tune existing software for another business unit.Contractor's Role: We are looking for a React UI senior developer to join a team of like-minded Rockstar React developers and help us drive the next-phase of our SLA-management React application. This role will involve extensive hands-on ReactJS knowledge to revamp existing SLA-management application while maintaining best-in-class user experience. The developer should be able to leverage cutting edge data visualization techniques and modern UI/UX design guidelines.Experience Level: 6+ yearsQualifications:• At least 6 years of professional development experience with significant exposure to working on complex projects with cross functional teams.• Minimum of 4 years experience with ReactJS and TypeScript• Extremely strong JavaScript framework and Front-End Development experience• Strong Node.JS experience is highly desired• Must have proven experience building external facing mobile friendly websites using JavaScript frameworks.Good to Haves:• Redux Toolkit or other state management libraries in the React ecosystem• Data visualization experience (e.g. D3, Chart.js, Highcharts, SVG, Canvas, etc.)• Good sense of UI/UX design• Experience with a code style guide (we use the Airbnb style guide)• Experience working with databases (relational, document, etc.) and writing SQL• Experience writing automated tests (e.g. Mocha, Jest, Enzyme,Playwright etc.)• Knowledge of web application security (http-https, Content Security Policy, OWASP, etc.)• Knowledge of Webpack or similar module bundlerSecondary Skills:• Highly motivated, self-directed and possesses solid execution skills.• Demonstrates critical thinking and probes beyond the surface of the requested data to get at the valuable (actionable) information.• Able to understand complex technical concepts quickly.• Detail oriented but understands broader impacts of requests.• Adjusts quickly to changing priorities as necessary.• Manages multiple tasks and deliverables simultaneously and in an organized and results-oriented manner.• Strives to proactively identify and address areas where business process efficiency and effectiveness improvements would make a positive impact on the top and bottom lines.• Excellent written and verbal communication skills.• Possesses a strong analytical, quantitative and objective outlook.• Excellent people skills are also necessary since this position interacts with all levels of resources across the entire organization.Tasks & responsibilities:• Developing new greenfield and brownfield products using ReactJS.• Building reusable components and front-end libraries for future use.• Translating designs and wireframes into high quality code.• Responsible for efficiently working with other teams in the organization to help them leverage the micro-FE framework/components library in their quest to modernize their applications.• Optimizing components for maximum performance across a vast array of web-capable devices and browsers.