Sr. UX/UI Designer - onsite freelance

Our client, a global name in e-commerce is seeking a senior UX/UI Designer to create high-impact email and in-app experiences. This is 6 month contract that is onsite 5 days a week in Los Angeles. The ideal candidate brings strong visual design and UX capabilities, AI fluency, strategic judgment, and a high bar for creative quality. This person will shape end-to-end marketing experiences, provide creative direction, and review AI-generated work to ensure polished, customer-centered output. Responsibilities Lead UX/UI design for email, in-app, and digital marketing experiences. Develop scalable creative concepts from strategy through production, delivery, and campaign execution. Partner with digital marketing, regional teams, and cross-functional stakeholders across Canada, the U.S., and Mexico. Provide hands-on design execution and creative direction across complex digital workflows. Review AI-generated creative, identify improvements, and maintain strong quality assurance standards. Translate ambiguous business needs into clear, customer-centered design solutions, prototypes, and digital experiences. Manage priorities independently while proactively communicating progress, risks, and support needs. Required Qualifications Advanced proficiency in Figma and strong fluency with AI-enabled design tools and workflows. Strong foundation in UX and visual design, with experience in digital media, email, and customer experience design. Marketing campaign experience from concept development through delivery and execution. Ability to create hands-on design work, provide clear creative direction, and maintain a high bar for quality. Strong stakeholder management, communication, and cross-functional collaboration skills. Excellent project management, prioritization, and self-management skills. Ability to navigate ambiguity with a proactive, solutions-oriented approach. Preferred Background In-house design experience supporting product launches or integrated marketing campaigns. Experience marketing connected hardware and software products, including in-app or digital ecosystems. Background in consumer technology, smart devices, wearables, security products, or similar industries. Experience working in AI-first environments and using AI to improve creative workflows and output quality.