This job posting is seeking a junior/mid-level user experience designer to work for a leading technology company providing designs for online and mobile experiences. The role involves collaborating openly with cross-functional teams, communicating with clients, and demonstrating skills like wireframing, user journey mapping, and visual design through a strong portfolio. The ideal candidate is passionate about user-centered design and can discuss projects confidently with both internal and external stakeholders. The position is located in central London and offers a salary between £20,000 to £40,000 depending on experience, plus benefits.