UI/UX designer

Keystone Recruitment is representing a client that is building advanced human data infrastructure for next-generation AI systems. They are seeking a Senior UI/UX Designer to shape and elevate the user experience across their core product offerings, owning the end-to-end design process and collaborating closely with Product Managers and Engineers.

Responsibilities:

• Lead product design initiatives from concept through final implementation across web platforms
• Translate complex workflows into intuitive, user-friendly experiences
• Develop user flows, wireframes, prototypes, and high-fidelity designs using Figma
• Maintain and evolve a scalable design system
• Collaborate cross-functionally with product and engineering teams to ensure precise implementation
• Conduct usability testing and incorporate user feedback into iterative improvements
• Advocate for user-centered decision-making in roadmap and strategy discussions
• Ensure accessibility, responsiveness, and performance considerations are integrated into designs

Requirements:

• 4+ years of experience in UI/UX or Product Design for web-based products
• Advanced proficiency in Figma (components, auto-layout, prototyping, and design systems)
• Strong portfolio demonstrating end-to-end product design thinking
• Deep understanding of UX principles, interaction design, and visual hierarchy
• Experience designing complex SaaS or B2B platforms
• Strong cross-functional collaboration skills
• High attention to detail and commitment to polished, high-quality interfaces
• Comfortable working in fast-paced, evolving startup environments
• Experience building or scaling a design system
• Familiarity with frontend development constraints (React, CSS, responsive design principles)
• Experience designing AI-driven or developer-focused products