JavaScript Developer (Req-1001)

Overview In this contract role, you will develop and stabilize web applications focused on FraudNet, tackling security-related JS issues and ensuring robust cross‑browser compatibility. You will analyze, debug, and tune JavaScript performance across devices and network conditions, collaborating with teams to deliver reliable browser-based experiences. Your work will center on client-side scripting with potential Node.js integration, contributing to a scalable fraud-detection platform. This is an onsite opportunity in Phoenix. ResponsibilitiesSolve Cross-Site Scripting issuesUnderstand third‑party domain JS communicationEnsure cross-browser compatibility for applicationsAnalyze and debug JavaScript across multiple platforms/devicesPerformance tuning of JavaScript over varying network speeds (different countries)Experience with JavaScript unit testing tools Key requirementsMinimum 3 years of experience in JavaScriptNode.js experience would be a plusJavaScriptNode.jsJavaScript unit testing tools