At **TechBiz Global**, we are providing recruitment service to our TOP clients from our portfolio. We are currently looking for a skilled **UI/UX Designer** to join one of **our clients' teams**. We are seeking a creative and detail\-oriented UI/UX Designer with strong experience in mobile app design (iOS/Android) and responsive web platforms. The ideal candidate will combine user research, wireframing, and visual design skills to deliver a seamless and premium user experience for clients in Brazil and globally. **Key Responsibilities** * Design intuitive and user\-friendly interfaces for client’s mobile apps and web trading platform. * Conduct user research, interviews, and usability testing to identify pain points and optimize flows. * Create wireframes, prototypes, and high\-fidelity designs using industry\-standard tools (Figma, Sketch, Adobe XD). * Ensure responsive design principles for web and mobile compatibility. * Collaborate with product managers, developers, and marketing teams to translate business requirements into design solutions. * Define and maintain design systems, style guides, and UI patterns for consistency across platforms. * Apply UX best practices to optimize onboarding, dashboards, trading workflows, and user engagement. * Stay up to date with fintech and trading app design trends, ensuring client’s interfaces remain modern and competitive. * Bachelor’s degree in Design, HCI, Computer Science, or related field. * 3–6 years of experience in UI/UX design with a strong portfolio of mobile apps and web platforms. * Proficiency in Figma, Sketch, Adobe XD, InVision, or similar tools. * Strong understanding of mobile\-first design, responsive layouts, and accessibility standards. * Experience with fintech, trading, or data\-heavy platforms is highly desirable. * Ability to create interactive prototypes and design systems. * Good understanding of front\-end capabilities (HTML, CSS, React basics) for smooth handoff to developers. * Fluent in Portuguese and English (Spanish a plus).