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Middle UI/UX Designer
NineTwoThree AI Studio
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Source date: 10/30/2026
About this role
About the Role We are seeking a Middle UI/UX Designer to join our design team. In this role, you will create intuitive, user-centered, and visually compelling experiences for AI-driven platforms, mobile apps, and web applications. You will work closely with product managers, engineers, and other stakeholders to develop solutions that balance user needs and business goals. You will also get to design for products across all sorts of industries and platforms, making this an exciting place to exercise your design muscles. This role requires a high level of creativity, collaboration, and attention to detail. The ideal candidate has a strong background in UI/UX design, an eye for aesthetics, and a passion for delivering exceptional user experiences. Key Responsibilities * Contribute to the design process from concept to implementation for individual clients and NineTwoThree projects following industry best practices and company procedures. * Deliver well-structured Figma boards with components, symbols and brand styles that remain consistent throughout the design process and have a single source of truth for all elements that update entire systems. * Develop wireframes, interactions, and high-fidelity UI designs using Figma. * Create prototypes when delivering design ideas to illustrate different design solutions and test hypotheses. * Collaborate with product managers, engineers, and stakeholders to translate complex requirements into user-friendly designs. * Prepare high-quality, developer-ready designs covering most edge cases and ensure smooth handoff to engineering teams, providing specs, assets, and documentation as needed. * Explore ways to optimize the design process, including using AI tools, and share findings with the team * Present and explain design ideas to teammates and clients, grounding your rationale in user needs, business goals, and established design principles. * Participate Actively in multiple projects simultaneously. * Stay updated with UI/UX standards and guidelines to ensure our applications are intuitive and follow familiar patterns. Requirements Requirements * At least 3 years as a UI/UX Designer, with a portfolio that shows user flows, usability and visual design for established brands. * Experience designing for AI-driven applications. * Experience designing responsive mobile and web apps, and working knowledge of Material Design and Apple's Human Interface Guidelines. * Strong visual fundamentals: typography, composition, layout, grids and colour, with close attention to detail. * Advanced Figma: team libraries, auto layout, component properties and prototyping. * Experience contributing to a shared design system and giving and receiving design feedback. * Comfortable in a fast-paced agile environment with clear processes, tight deadlines and several projects at once. * Clear written and spoken communication, working remotely and asynchronously across departments. * Upper-Intermediate English (B2) or higher. Will be an advantage: * Hands-on use of AI tools, such as Claude, Cursor or Codex, in the design workflow. * Experience building working prototypes in code with AI tools such as Claude or Cursor (React, Next.js, Tailwind). * Interaction design experience: states, transitions between steps, feedback and edge cases. You’ll Thrive If You: * Enjoy designing non-trivial web apps * Like to be challenged and learn fast * Can work independently through the full design cycle * Communicate clearly in writing and through presentations You Might Struggle If You: * Take weeks to deliver results * Are not used to feedback from Product Managers, Engineers and QAs * Rely solely on visual aesthetics or general design trends Benefits Hiring process: We value your time and ours and make the process fast and easy. Our interview process takes the following steps: {HR interview, technical interview with COO/CTO and Head of Product, Offer}