Senior UI Designer - Part time

Direct message the job poster from Ascendum Solutions Overview We are seeking an experienced UI Designer to join our design team in an on-demand capacity. This position supports overflow project work, ad hoc design needs, and team coverage during PTO. While the work will vary depending on client and project demands, this role offers the opportunity to contribute to strategic, high-impact design initiatives. This is not a freelance, flexible-hour role, candidates must be available full-time during EST working hours to collaborate with internal and client teams, attend meetings, and deliver design solutions as needed. Open to be worked remotely in any south American country Responsibilities Support active design projects as needed during staff PTO and overflow periods. Mentor and guide other UI Designers. Define and implement visual direction for project rollouts. Develop and maintain design systems and style guides. Advocate for user-centered design principles with clients and stakeholders. Contribute to the strategic vision of the user experience. Lead design reviews and provide constructive feedback. Participate in project planning and scoping activities. Create user flows, wireframes, prototypes, and developer specifications. Conduct user research and analyze user feedback. Ensure designs are accessible and adhere to WCAG and usability standards. Collaborate with cross-functional teams to align on project goals and timelines. Communicate design decisions effectively to clients and internal stakeholders. Maintain design consistency across products and platforms. Stay current with Apple HIG, Google Material, and Web Design Best Practices. Typical Tasks Design support for Proof of Concepts (POCs) and RFPs. Contribution to case studies and internal initiatives. Long-term design maintenance and system updates. Required Skills Primary Skills Expertise in Figma (including advanced component systems). Strong understanding of Apple HIG, Google Material Design, and web design best practices. Knowledge of WCAG accessibility standards. Skilled in design presentation and client communication. Secondary Skills (Nice to Have) Animation and motion design. Video editing and print design. 3D modeling, AI/AR/VR experience. User research and usability testing. Webflow or front-end development experience. Soft Skills Strong critical thinking and problem-solving skills. Highly proactive and self-motivated. Naturally inquisitive – asks “why” to understand user and business goals. Clear, concise communication (no tangents or offshoots). Confident and independent decision-making ability. Qualifications Strong portfolios and hands-on experience will be prioritized. Must provide an online portfolio and Figma samples for team review. Professional Development Annual review of Apple HIG, Google Material, and Web Best Practices. Ongoing skill development through Figma training and cross-disciplinary collaboration. Details Seniority level: Mid-Senior level Employment type: Contract Job function: Design Industries: Rail Transportation Referrals increase your chances of interviewing at Ascendum Solutions by 2x Sign in to set job alerts for “User Interface Designer” roles. Joinville, Santa Catarina, Brazil 1 day ago We’re unlocking community knowledge in a new way. Experts add insights directly into each article, started with the help of AI. J-18808-Ljbffr

Location: Brazil, BR

Posted Date: 11/2/2025