User Interface (UI) Designer

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a User Interface (UI) Designer based in Brazil. We are looking for a Senior UI Designer to take ownership of website design and implementation quality across desktop, tablet, and mobile experiences. You will transform business and content objectives into intuitive, visually engaging, and responsive website interfaces. Beyond creating mockups, you will oversee the design process from initial concepts and prototyping through developer coordination, implementation, and final quality assurance. Working closely with content, graphic design, and development teams, you will ensure that approved designs are accurately translated into finished web experiences. You will also identify usability and visual improvements, maintain consistent design standards, and help refine the website's overall presentation. Strong communication, attention to detail, and the ability to coordinate revisions across teams will be essential to your success. This is a part-time, remote contractor opportunity for an experienced professional who enjoys combining creative design skills with hands-on implementation oversight.