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UX/UI Designer at Cocone Europe OU. Location Information: London, United Kingdom. . About Us. : COCONE EUROPE OÜ is the European subsidiary of Cocone Corporation, a Japanese company known for avatar-based social mobile experiences. We build consumer-facing mobile products focused on emotional connection, engagement, and long-term user relationships.. About the Role. :. . We are looking for a Senior UI/UX Designer to take ownership of the user experience and interface design of a live mobile product on Android and iOS.. This role is centered on reimagining and elevating the overall product experience. You will identify usability issues, rethink core flows, and drive improvements that enhance engagement, retention, and emotional connection. You will work closely with product managers, engineers, and artists to ensure that design decisions are grounded in user needs while supporting business objectives.. What You’ll Do. Own and drive end-to-end UX/UI design for a consumer-facing mobile application built in Unity.. Analyze existing user profiles and journeys to identify friction points, usability issues, and opportunities for improvement.. Redesign and optimize core product experiences with a strong focus on engagement and long-term retention.. Define UX hypotheses, validate them through testing, and iterate based on insights.. Design user flows, information architecture, wireframes, and high-fidelity UI for key features and systems.. Translate product goals and behavioral insights into intuitive and emotionally engaging user experiences.. Collaborate closely with product and engineering teams to ensure designs are feasible and effectively implemented.. Analyze user behavior data, usability testing results, and qualitative feedback to identify UX issues and opportunities.. Conduct UX audits and establish clear recommendations for improving usability, consistency, and accessibility.. Contribute to and evolve a cohesive design system to ensure consistency across the product.. Requirements. Experience. 5+ years of professional UI/UX design experience for mobile applications.. Proven experience working on live products, including improving and iterating on existing experiences.. Experience owning UX for complex systems or feature sets, not just individual screens.. Strong track record of collaboration with product managers and engineers.. Experience contributing to product improvements tied to engagement or retention metrics.. Skills. Deep understanding of UX principles, interaction design, and information architecture.. Strong ability to diagnose UX problems and propose effective, scalable solutions.. Solid understanding of mobile platform conventions and constraints (Android and iOS).. Ability to clearly articulate design decisions and rationale.. High proficiency with modern design tools (Figma or equivalent).. Experience leveraging data, user feedback, and usability testing to guide design decisions.. Strong visual design skills with attention to detail, hierarchy, and consistency.. Soft Skills. High level of ownership and accountability.. Strong communication and cross-functional collaboration skills.. Comfort working in an international environment.. Proactive, problem-solving mindset.. Strong attention to product quality and user experience.. Nice to Have. Experience with social features, avatar systems, or emotionally-driven digital experiences.. Familiarity with accessibility best practices.. Experience contributing to or scaling design systems.. Experience mentoring or guiding other designers.. Experience implementing UI assets in Unity.. Interview Process. Initial Interview (30–45 minutes). Practical Test (2–3 days). Design Review & Deep Dive (60–90 minutes). Final Interview & Offer Discussion (30–40 minutes). How to Apply. Please send your application via email to: . [email protected]. Email Subject:. Application for UX/UI Designer – [Your Name]. Required Documents:. Resume (PDF). Portfolio (if applicable). Please include a brief introduction of yourself in the email body.. .