Senior/Lead UX Designer

Senior/Lead UX Designer - Argentina Location: Remote from Argentina. Time zone: EST. Employment type: Full-time. Seniority level: Mid-Senior level. Job function: Design, Art/Creative, and Information Technology. Industries: IT Services and IT Consulting. Role Overview We are seeking an experienced Senior UX Designer to lead the design and user experience efforts across AI and Digital products and platforms. The ideal candidate will possess a strong understanding of user-centered design principles, usability best practices, and modern design systems. You will collaborate with cross-functional teams — including product managers, developers, and stakeholders — to transform complex requirements into intuitive, elegant, and user-friendly designs. Key Responsibilities Lead end-to-end UX design for web and mobile applications — from research and conceptualization to prototyping and final delivery. Conduct user research, interviews, and usability testing to gain deep insights into user behavior, needs, and pain points. Create personas, journey maps, wireframes, and interactive prototypes using modern design tools (e.g., Figma, Sketch, Adobe XD, InVision). Define and maintain design systems and style guides to ensure consistency across all product interfaces. Collaborate closely with product managers and engineering teams to ensure feasibility and alignment with technical and business goals. Translate product requirements into well-structured design deliverables and interaction flows. Evaluate and iterate on designs based on feedback, analytics, and changing business priorities. Champion UX best practices and mentor junior designers within the team. Stay updated with emerging design trends, accessibility standards, and front-end technology capabilities. Required Skills & Qualifications Bachelor’s or Master’s degree in Design, HCI, Computer Science, or related field. 7–8 years of professional experience in UX/UI design or related disciplines. Strong portfolio showcasing end-to-end design thinking and user-centered solutions for complex applications. Proficiency in tools such as Figma, Sketch, Adobe XD, Miro, InVision, or Axure. Deep understanding of information architecture, interaction design, and usability testing. Familiarity with HTML, CSS, and responsive design principles (not mandatory, but a plus). Strong communication and presentation skills with the ability to justify design decisions to stakeholders. Experience working in Agile or cross-functional teams. Knowledge of accessibility (WCAG) and inclusive design principles is preferred. Top 3 Must Haves 7–8 years of professional experience in UX/UI design or related disciplines. Define and maintain design systems and style guides to ensure consistency across all product interfaces. Familiarity with HTML, CSS, and responsive design principles. Nice-to-Have Experience with AI-driven products, designing for SaaS, FinTech, HealthCare. Exposure to DesignOps, token-based design systems, or UX analytics tools (e.g., Hotjar, Mixpanel). Ability to balance business objectives with user needs and deliver measurable design impact. Why Qualitest? Support for diversity and inclusion in the workplace – we celebrate culture and share knowledge with engineers worldwide. Local and global opportunities – internal rotation and international mobility chances to grow your career. Clear career progression – Qualitest is growing massively and offers opportunities to advance. Flexible and casual culture with employee events and amenities. Continuous learning through Qualitest Tech Academy – 3000+ training courses, mentorship programs, technical tribes, and certification sponsorships. Earn bonuses via Client Referral and Employee Referral Programs. To apply, visit our website at or send your resume. Referrals increase your chances of interviewing by 2x. #J-18808-Ljbffr