arrivia is a global leader in travel loyalty, with over 55 years of combined experience from brands like ICE, SOR Technology, and WMPH Vacations. We're on a mission to help people travel better and experience more-and we're looking for a talented Lead UI/UX Software Engineer with strong front-end and back-end expertise, and hands-on experience in Optimizely SaaS, to elevate our digital platform to new heights. This is your opportunity to bring together design, development, and personalization to deliver beautiful, accessible, and user-first experiences. You'll collaborate with product managers, designers, and engineers to build responsive, modern UIs integrated with Optimizely's CMS and personalization features, while also contributing to the robust back-end systems that power them. You'll be a key contributor to our experimentation culture-designing and implementing A/B tests and continuously improving user flows based on data.