Senior UI/UX Designer

About the Opportunity

Our client, a company at the forefront of building advanced human data infrastructure for next-generation AI systems, is seeking a Senior UI/UX Designer. Their platform is critical for leading AI labs and global enterprises, enabling them to source, evaluate, and deploy expert talent into AI training workflows at scale. This is an exciting opportunity to significantly impact the user experience across their core product offerings.

Role Overview

As a Senior UI/UX Designer, you will be instrumental in shaping and elevating the user experience. This role requires a passion for clarity, usability, and elegant interface design, owning the end-to-end design process from discovery and user flows to high-fidelity execution. You will work in close collaboration with Product Managers and Engineers to deliver thoughtful, intuitive, and scalable experiences. This position is ideal for someone who combines strategic thinking with strong execution and can elevate the overall design standards of a growing organization.

Key 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.

Required Qualifications

• 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.

Preferred Qualifications

• 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.

Why This Role

• High ownership and direct impact on product direction.
• Opportunity to work closely with product leadership.
• Fast execution cycles with real user impact.
• Remote-first culture with a globally distributed team.

Key skills/competency

• UI/UX Design
• Product Design
• Figma
• Design Systems
• User Experience Research
• Prototyping
• Interaction Design
• SaaS Platforms
• Cross-functional Collaboration
• Web Platforms