[Remote] Senior UI/UX Designer

Note: The job is a remote job and is open to candidates in USA. NineTwoThree AI Studio is a remote-first product design, engineering, and marketing studio focused on building AI-powered web and mobile applications. They are seeking a Senior UI/UX Designer to create user-centered experiences for various platforms while collaborating with product managers and engineers to balance user needs with business goals.ResponsibilitiesLead the end-to-end design process, for client projects and the NineTwoThree brand, from concept to developer-ready handoffWork inside our existing component system (Chakra UI and its Figma UI Kit): reuse and extend it, customizing per client with minimal divergence and minimal engineering rework, instead of reinventing componentsProduce wireframes, prototypes, and high-fidelity UI in Figma to communicate solutions and test hypothesesConduct competitive analysis and usability testing to validate decisions, favoring familiar, proven patterns over trendsTreat developer implementation cost as a first-class design constraint: prefer the solution that ships fastest from our component library over the one that looks the most novelInnovate in information architecture and layout: decide what to surface, what to hide, and where things live, so the main workspace gets the screen space rather than endless menus, filters, and navigationCollaborate with product managers, engineers, and stakeholders to translate complex requirements into usable designs, and defend your decisions with user needs and business goalsSpeed up the design process with AI tools, and help raise the team's craft and design cultureSkillsAt least 5 years of experience as a UI/UX Designer, with a strong portfolio showcasing knowledge of UX principles, user flows, and designing data-dense internal tools, admin panels, dashboards, or B2B/enterprise applications (not only consumer or brand work)Experience working in structured, fast-paced environments with clear processes, tight deadlines, and asynchronous collaboration across departments, comfortable managing multiple projects at onceExperience working as part of a multi-designer team, contributing to shared systems and giving/receiving design feedbackProven ability to design within an established component library (Chakra UI, MUI, Ant Design, or similar), with a working sense of how design choices translate into front-end (React/Chakra) implementation effortProficiency in Figma, including team libraries, auto layout, component properties, and prototypingSolid understanding of user-centered design principles and usability best practicesKnowledge and experience with Google Material and Apple Design GuidelinesStrong fundamentals in layout, grids, information hierarchy, and responsive/interactive designExcellent written and spoken English (Upper-Intermediate or higher) for remote collaborationExperience designing for AI-driven web and mobile applicationsAttention to detail and a strong sense of usability and information hierarchyProven experience designing complex, data-intensive platforms and interfacesFamiliarity with React or front-end fundamentalsExperience shipping internal tools or enterprise softwareBenefits100% remote job – work from anywhere.Annual paid vacation – 20 working days per year, increasing to 25 days after three years.Paid sick leave and holidays.Flexible working hours.Well-being budget to support your personal growth.Maternity/Paternity leave.Reimbursement of professional development courses/certifications (up to 100% with managerial approval).Hardware provided based on business needs.A strong, positive engineering culture with a tightly-knit, collaborative team that values quality and creativity.Company OverviewNineTwoThree is an AI studio that builds custom, production-ready AI/ML solutions within clients' existing systems to achieve positive ROI It was founded in 2012, and is headquartered in Danvers, Massachusetts, USA, with a workforce of 51-200 employees. Its website is https://www.ninetwothree.co/.