Join our team at the Guardian and be a part of a diverse and inclusive global organisation that delivers fearless, investigative journalism, and holds power to account. Our team of award-winning journalists, cutting-edge commercial professionals, and industry-leading digital experts are committed to making a difference and represent a wide range of backgrounds and perspectives. We offer a challenging and exciting environment for career development, with a focus on training, growth and fostering an inclusive culture. We are now looking for a Senior Product Designer (UX) to join our Product and Engineering team on a 12 month FTC. You will deliver innovative advertising solutions that align with business goals while protecting the Guardian''s editorial integrity and reader trust. About the Role Design user journeys, flows, and wireframes that enhance advertising effectiveness while maintaining a high-quality user experience Lead testing and optimisation of ad formats, layouts, and interactions to improve both user experience and commercial performance Collaborate closely with Product, Engineering, Data, Editorial, and Commercial teams to deliver end-to-end solutions Advocate for UX best practices across competing priorities, including editorial, advertising, and compliance Contribute to the long-term UX vision for commercial products, balancing user trust, commercial performance, and feasibility About You Proven experience designing digital products within commercial, advertisin