Lead UX/UI Engineer

Red Cell Partners is an incubation firm seeking a Lead UX/UI Engineer to lead the design and front-end experience of products across Red Cell and its portfolio companies. The role involves translating complex ideas into intuitive, beautiful, and scalable digital experiences, and building them with modern front-end technologies like React, TypeScript, and Tailwind. This is a remote role with travel for bi-annual All Hands and occasional team meetings.

• Partner closely with founders, product managers, engineers, and leadership to transform ambiguous problem spaces into intuitive product experiences
• Design and build modern user interfaces across web, mobile, AI agents, wearables, and emerging interaction modalities
• Create rapid prototypes and proof-of-concepts that validate ideas and accelerate product development
• Own the end-to-end UX/UI process – from discovery and wireframes through polished interfaces and production-ready implementation
• Develop production frontend applications using modern technologies such as React, TypeScript, and Tailwind
• Apply best practices in frontend engineering, including component composition, proper hooks usage, state management, memoization, and performance optimization
• Translate Figma designs into performant, accessible, and scalable user interfaces
• Build and maintain reusable component libraries, design systems, and front-end patterns that enable consistency across products
• Collaborate closely with engineering teams to ensure design quality is preserved throughout implementation (such as via Storybook or equivalent)
• Leverage AI-powered design and development tools to accelerate workflows, prototype faster, and improve product experiences
• Create 'North Star' concepts and future-state product visions that help guide long-term strategy
• Establish lightweight UX standards, interaction patterns, and engineering best practices that enable teams to move quickly without sacrificing quality
• Work closely with Marketing to build and maintain websites while incorporating consistent branding and design systems across Red Cell and portfolio companies
• Balance speed, usability, scalability, and technical feasibility in fast-moving startup environments

• 8–12+ years of experience designing and building digital products, including significant experience in front-end engineering and UX/UI design
• Bachelor's or Master's degree in Computer Science, Human-Computer Interaction (HCI), Design, or a related field (or equivalent practical experience)
• Deep expertise building production frontend applications with React, TypeScript, and Tailwind
• Advanced Figma skills, including component libraries, Auto Layout, design systems, prototyping, variables, and design tokens
• Experience translating design systems into scalable, reusable front-end component libraries
• Strong understanding of responsive design, accessibility standards, and performance optimization
• Experience designing and shipping products from early-stage concepts through production and scale
• Familiarity with AI-native product experiences, LLM-powered applications, and AI-assisted development tools such as Cursor, Codex, and Claude Code
• Strong understanding of user-centered design principles, interaction design, information architecture, and usability best practices
• Ability to communicate effectively across design, engineering, and executive stakeholders
• Experience thriving in startup or high-growth environments where priorities evolve quickly

• Career track opportunity with potential for rapid advancement as the firm grows
• 100% employer paid, comprehensive health care including medical, dental, and vision for you and your family
• Paid maternity and paternity for 14 weeks at employees' normal pay
• Unlimited PTO, with management approval
• Opportunities for professional development and continued learning
• Optional 401K, FSA, and equity incentives available
• Mental health benefits are available through Tara Mind
• Cost effective GLP-1 solutions available through Crux